The Secret of Ultrasonic Level Measurement

Posted on February 8, 2020 by KimGuo11

Ultrasonic level measurement is a contactless principle and is most suitable for level measurements of hot, corrosive, and boiling liquids.

Ultrasonic level measurement provides a Continuous level measurement in liquids and solids with ultrasonic level sensors。 Non-contact, and maintenance-free level measurement of fluids, pastes, sludges, and powdery to coarse bulk materials. The measurement is unaffected by dielectric constant, density, or humidity. And also unaffected by build-up due to the self-cleaning effect of the sensors.

RFQ More Ultrasonic Sensor

If you need to measure liquid levels, an ultrasonic level sensor is a good choice.

In the article “Level Senors for Tank Level Measurement“, we introduced a variety of level sensors that can be used to measure the tank level. Here, we will introduce the ultrasonic level sensor in detail.

Featured Sensors for Ultrasonic Level Measurement:

**ULT-100A Ultrasonic Level Transducer**

**ULT-200A Ultrasonic fuel tank level sensor**

**Portable Ultrasonic Liquid Level Indicator**

**HS-2000 Ultrasonic Tank Level Sensor-External Mounted**

Features of Ultrasonic liquid level sensors

Ultrasonic liquid level sensors are non-contact level measurement devices. In the measurement, the ultrasonic pulse is sent by the sensor (transducer). The sound wave is reflected by the liquid surface and received by the same sensor or ultrasonic receiver. It is converted into an electrical signal by a piezoelectric crystal or a magnetostrictive device. It is transmitted and received by the sound wave. The time between the sensor and the surface of the liquid is measured. Due to non-contact measurement, the measured medium is almost unlimited. It can be widely used for measuring the height of various liquid and solid materials. Like: water level, fuel level, oil level, petrol tank level, and so on.

Accurate and reliable sensing method
Ultrasonic level sensor technology is ideal for difficult fluids where contact with the media is not desirable
An ultrasonic liquid level transmitter is ideally sized and priced for most applications
Easy to install– simple to use
There are no moving parts
Temperature-compensated signal for improved accuracy
Self-cleaning sensor face
Unaffected by the target material’s color, shape or physical composition
Bench- or field-calibrated through communications with a PC or a push button on the sensor
Non-contact measurement, high performance, low cost, maintenance-free, high precision, long life；
Intelligent signal processing technology, the instrument adapts to various working conditions；
Two-wire system, three-wire system, isolated four-wire system
24VDC, 220VAC power supply optional
Over-voltage, over-current, lightning protection
Photoelectric isolation 4-20mA current output

Extended Reading: How to Measure Volume of Liquid

Advantages of Ultrasonic Level Transmitter

No media contact for vertically mounted type, so flexibility for use on different corrosive media, thick fluids, slurries, wastewater
Ultrasonic level transmitter has no moving parts. And it can measure level without making physical contact with the object.
High temperature fluid compatibility for vertically mounted types, since no sensitive components make contact with the fluid
High accuracy due to high frequency pulse wave and precise transit time time measurement
The accuracy of the reading remains unaffected even after changes in the chemical composition or the dielectric constant of the materials in the process fluids.
Operates with conductive or non-conductive fluids
Sealed pressurised vessel will not affect performance
Shorter blocking distance than radar
Useful for measuring levels in tanks with corrosive, boiling and hazardous chemicals.

Disadvantages of Ultrasonic Level Transmitter

Foaming, splashing, vapour and humidity can affect measurement performance
High cost compared to other technologies
Minimal blocking distance limits operation when in proximity to liquid level
Temperature compensation required to compensate for speed of sound variation with air temperature
Sound waves cannot be transmitted through a vacuum
Shorter range than radar.
It is not so convenient if the tank depth is high or the echo is absorbed or dispersed.
The object should not be sound absorbing type.
It is also unsuitable for tanks with too much smoke or high density moisture.

More about The Difference Between Ultrasonic Depth Sensor And Ultrasonic Level Sensor.

Extended reading: Guide to Ultrasonic Level Transmitters

What Is the Principle of Ultrasonic Level Measurement ?

Ultrasonic waves detect an object in the same way as Radar does it. Ultrasonic uses sound waves, and Radar uses radio waves. When the ultrasonic pulse signal is targeted towards an object, it is reflected by the object, and the echo returns to the sender.

The time traveled by the ultrasonic pulse is calculated, and the distance of the object is found.

Bats use a well-known method to measure the distance while traveling.

The ultrasonic level measurement principle is also used to find out fish positions in the ocean, locate submarines below water level, also the position of a scuba diver in the sea.

We will refer to Fig-1 and make an effort to understand the technicalities of the ultrasonic level transmitter.

An ultrasonic level transmitter is fixed at the top of a tank half filled with liquid.

The reference level for all measurements is the bottom of the tank.

The level to be detected is marked as “C”, and “B” is the distance of the ultrasonic sensor from the liquid level.

Ultrasonic pulse signals are transmitted from the transmitter, and it is reflected back to the sensor.

The travel time of the ultrasonic pulse from the sensor to the target and back is calculated.

Level “C” can be found by multiplying half of this time with the speed of sound in the air.

The measuring unit’s final result can be centimeters, feet, inches, etc.

Level = Speed of sound in air x Time delay / 2

Tip	You can see our range of Ultrasonic Level Transmitters here.

Practical System Design Problems of Ultrasonic Level Transmitter:

The above principle of measurement looks quite straightforward and true only in theory.

In practice, there are some technical difficulties that are to be taken care of to get the correct level of reading.

The velocity of sound changes due to the variation of air temperature.
- An integrated temperature sensor is used to compensate for changes in the velocity of sound due to temperature variations.
There are some interference echoes developed by the edges, welded joints, etc.
- This is taken care of by the software of the transmitter and called interference echo suppression.
Calibration of the transmitter is crucial.
- Accuracy of measurement depends on the accuracy of the calibration.
- The Empty distance “A” and measurement span “D” is to be ascertained correctly for inclusion in the calibration of the transmitter.
The transient characteristics of the sensor will develop a Blocking distance as shown in Fig-1. Span “D” should never extend to the blocking distance.

The Basic Structure of an Ultrasonic Transducer:

An ultrasonic sensor is the heart of the ultrasonic level Transmitter instrument.

This sensor will translate electrical energy into ultrasound waves.

Piezoelectric crystals are used for this conversion process.

Piezoelectric crystals will oscillate at high frequencies when electric energy is applied to it.

The reverse is also true.

These piezoelectric crystals will generate electrical signals on receipt of ultrasound.

These sensors are capable of sending ultrasound to an object and receiving the echo developed by the object.

The echo is converted into electrical energy for onward processing by the control circuit.

Extended reading: GWR Corrosive Liquid Chemical Level Sensor

Functional Block Diagram of a Typical Ultrasonic Level Transmitter:

We will refer to Fig-3 Functional Block Diagram to clarify the physical structures of an Ultrasonic Level Transmitter.

A micro-controller-based Control Circuit monitors all the activities of the ultrasonic level transmitter.

There are two Pulse Transmission Circuits, one for transmitter pulse and the other one for receiver pulse.

The pulse generated by the transmitter pulse is converted to Ultrasound pulses, by the Ultrasonic Sensor(Transmitter) and targeted towards the object.

This ultrasound pulse is reflected back as an echo pulse to the Ultrasonic Sensor (Receiver). The receiver converts this Ultrasonic pulse to an electrical signal pulse through the pulse generator.

The time elapsed, or the reflection time is measured by the counter. This elapsed time has relation to the level to be measured. This elapsed time is converted to level by the Control Circuit. There is a Timing Generator Circuit which is used to synchronize all functions, in the ultrasonic level measurement system.

The level is finally converted to a 4-20mA signal. 4mA is 0% level, and 20mA is the 100% level (see Fig-1).

This 4-20mA output signal carrying the level data can be transmitted to long distance to Process Control Instruments.

Functional Block Diagram for clarify physical structures of an Ultrasonic Level Transmitter.

Common Applications for Ultrasonic Liquid Level Sensors

Ultrasonic liquid level sensors are used for liquid level, solid material level, the tank body, and open channel flow. Their performance is very good. Ultrasonic level sensors are also ideal for applications where continuous level measurement is required.

The most popular application of ultrasonic level sensors is to measure the level of liquid in tanks, wells, pits or lakes.If the container is linear, extrapolating the volume measurement is easy. In a non-linear container, a strapping table is usually used to adjust the reading to a certain volume as the level increases and decreases. Most of our ultrasounds are specifically designed for level measurement.Find the right sensor for you. Since ultrasonic sensors work without the need to touch the medium, they are ideal for difficult or corrosive liquids. Such as acids, wastewater, and others.

Typical Media:

Acids
Wastewater
Inks and Paints
Slurries
Food and Beverage
Semiconductor Process Chemicals
Oils and Petroleum Distillates

Another very popular application of ultrasonic sensors is solid level detection. The trick is actually to use a sensor with twice the required distance. This gives you a stronger signal, which in turn provides a better echo for the sensor’s measurements. You may also need to tilt the sensor mount so that it is perpendicular to the angle of repose.
Measuring solids has always been difficult. But ultrasound will still be the main condition for continuous non-contact measurement.

Open channels are the main means of transporting, filtering, and metering water. Open channel flow monitoring is used in water treatment plants, environmental monitoring, and irrigation canals. Ultrasonic sensors are an excellent choice for open channel flow.

Extended reading: Case Study: Automatic Sludge Blanket Level Detector

Liquid Level Measurement with Ultrasonic Sensors

Tank level sensor

Tank level senor is a level sensor used to measure the tank level. The liquid level is the level of the liquid in a sealed container (such as a water tank) or an open container (water tank). The instrument that measures the liquid level is called a liquid level sensor, a liquid level gauge or a liquid level transmitter. The liquid level sensor is a kind of level instrument. Hydrostatic, Ultrasonic, Magnetostrictive, Radar, Differential Pressure are commonly choices for tank level measurement. Liquid level sensors have been around for decades for leak detection or level measurement. Common measured medium are: Water, Fuel, Diesel, Gasoline, diesel, liquefied gas, liquid ammonia, etc.

Ultrasonic level sensor wastewater

The ultrasonic level gauge is widely used in water level meter measurement projects in: Water plants. Wastewater treatment plants. Chemical reagent plants. Dye factories. Pulp mills and other factories. And is one of the main level measurement methods in modern intelligent automation industry. Ultrasonic technology has been used in the wastewater industry for more than 30 years for its high cost performance. Level gauges are widely used in industrial wastewater treatment plants and municipal wastewater treatment plants. Ultrasonic level gauges have the most applications, but their installation and measurement are limited by space.

In addition, since the propagation time of sound waves is affected by temperature, the ultrasonic sensor must be equipped with a temperature sensor. Ultrasonic level gauges are more accurate when used indoors or at groundwater levels.

Outdoors, the ultrasonic sensor generates heat due to sunlight. This will lead to inaccurate compensation for the propagation time of the sound waves, which will cause measurement errors. In chemical plants, there are a lot of high-concentration gases over chemical liquids, which will also change the propagation time of sound waves and even absorb sound waves. The shortest distance that an ultrasonic sensor can measure is usually 10-50cm. When installing, consider the “blind zone” that cannot be measured.

Extended reading: Radar Liquid Level Sensor|Corrosive, steam, volatile liquids

Ultrasonic Level Sensor for Solids

Liquid level and material level measurement is a problem often encountered in the industry. Ultrasonic positioning technology has many advantages. It can not only locate and continuously locate but also conveniently provide the signals required by telemetry or remote control. Compared with radioactive positioning technology, ultrasonic technology does not require protection. Compared with laser-ranging technology, it has the advantages of simplicity and economy. At the same time, ultrasonic technology generally does not require moving parts, so it is relatively convenient to install and maintain. .The ultrasonic level meter can be widely used in: Petroleum, mining, power plants. Chemical plants, water treatment plants. Sewage treatment stations. Agricultural water. Environmental monitoring. Food (wine industry, beverage industry, additives, edible oil, dairy products). Flood resistance Flood control, hydrological monitoring. Open channels, spatial positioning, and many other industries. There are two main installation methods for ultrasonic level gauges, one is top installation and the other is bottom installation. The ultrasonic level gauge also uses liquid sound guidance. The ultrasonic probe is installed outside the bottom of the tank. The measuring liquid is transmitted to the liquid surface and then reflected back to the probe. The propagation time is directly proportional to the level of the liquid.

Common Questions for Level Measurement Applications:

What type of tank sensor is right for your application?
Do Ultrasonic sensors work well outside?
Do you have any for Hazardous locations?
What is ultrasonic level sensor?
Can ultrasonic sensor detect water level?
How do ultrasonic liquid level sensors work?

Sino-Inst offers a variety of tank level measurement solutions. If you have any questions, please contact our sales engineers. CONTACT US

**Differential pressure(DP) level transmitter**

**SI-PCM261 Submersible Pressure Transducer**

**Magnetostrictive level transmitter with Local Digital Display**

Sino-Inst’s Tank level sensors easily handle these liquids. Rugged construction. Corrosion resistant materials. A wide environmental operating range and a liquid-tight IP68 ingress rating make them ideal for indoor and outdoor use. Even in salt water and hydrogen sulfide (H2S) environments.
Products are offered in a variety of distance ranges to accommodate tanks. Ranging from 6 in (15 cm) to 50 feet (15.2m), with various mounting threads and accessories available.

More

Ultrasonic level gauges work well outdoors. But we also need to protect the ultrasonic level gauge.

Ultrasonic level gauge outdoor requirements:
     1. It is recommended to install a sun visor to extend the service life of the meter.
     2. Wire and cable protection pipes should be sealed to prevent water accumulation.
     3. Although the instrument has its own lightning protection device, it is recommended to install a special lightning protection device at the inlet and outlet of the instrument when the instrument is used in a lightning-resistant area.
     4. The instrument is used in particularly hot and cold places, that is, when the ambient temperature may exceed the working requirements of the instrument, it is recommended to add high and low temperature devices around the level gauge.

Yes, Sino-Inst offer explosion-proof ultrasonic level sensors for Hazardous locations.

Explosion-proof ultrasonic level gauge has built-in temperature compensation, self-adaptive power. And can have signal processing technology, which improves the measurement accuracy of the instrument. It has obvious suppression function for interference echo. The explosion-proof ultrasonic level gauge uses a metal-aluminum alloy die-casting housing. Which has a beautiful appearance and good protection ability. The instrument uses industrial isolated power supply. And all input and output lines have lightning protection, overvoltage, and overcurrent protection circuits.Explosion-proof ultrasonic level gauge is suitable for measuring corrosive mud or sewage, hydrochloric acid, sulfuric acid, hydroxide and other corrosive media. Ultrasonic level gauge can be applied to process tanks, daily tanks, pools, etc. The position meter is mainly used in oilfield, chemical, power, metallurgy and other industries.

Ultrasonic level sensor is a digital level instrument controlled by a microprocessor. In the measurement, the pulsed ultrasonic wave is sent by the sensor (transducer). And the sound wave is reflected by the surface of the object and received by the same sensor, which is converted into an electrical signal. The distance between the sensor and the measured object is calculated from the time between the transmission and reception of the sound wave. Due to non-contact measurement, the measured medium is almost unlimited. And it can be widely used for measuring the height of various liquid and solid materials.

Sure. Ultrasonic liquid level sensors can detect water level. Like wastewater, in tank, in river.

Guide to Ultrasonic Level Transmitters-for Continuous Non Contact Level Measurement of Liquid & Solids.

Sino-Instrument offers over 10 level transmitters for level measurement.

About 50% of these are liquid level meters,

40% is the tank level sensor.

A wide variety of level meters options are available to you,

such as free samples, paid samples.

Sino-Instrument is a globally recognized supplier and manufacturer of level measurement instrumentation, located in China.

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KimGuo11

Wu Peng, born in 1980, is a highly respected and accomplished male engineer with extensive experience in the field of automation. With over 20 years of industry experience, Wu has made significant contributions to both academia and engineering projects.

Throughout his career, Wu Peng has participated in numerous national and international engineering projects. Some of his most notable projects include the development of an intelligent control system for oil refineries, the design of a cutting-edge distributed control system for petrochemical plants, and the optimization of control algorithms for natural gas pipelines.

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7 Type Tank Level Senors For Liquid and Solid

Posted on February 4, 2020 by KimGuo11

Sino-Inst produces many types of tank level sensors. Whatever your media, tank depth, and profile, Sino-Inst can always provide you with the right tank level sensors.

Tank Level Senors are also called Tank level indicators, tank level gauge, tank level meters, or tank level transmitters. Specifically refer to a type of sensor that can be used to measure tank level. The measured medium can be liquid or solid powder. Such as water, hydrochloric acid, Fuel, Diesel, Gasoline, liquefied gas, liquid ammonia, flour, cement, etc.

RFQ

Featured Tanks Level Sensors

Tank Level Sensors Types:

Ultrasonic fuel tank level sensor, also called non-contact fuel meter. Ultrasonic level sensor measure continuous liquid level, fluid level, or oil level.

Ultrasonic level sensors measure the distance between the transducer and the surface. Using the time required for an ultrasound pulse to travel from a transducer to the fluid surface and back (TOF). These sensors use frequencies in the tens of kilohertz range; transit times are ~6 ms/m. The speed of sound (340 m/s in air at 15 degrees C, 1115 fps at 60 degrees F) depends on the mixture of gases in the headspace and their temperature.

Ultrasonic sensors work without the need to touch the medium being measured. Ultrasonic sensors are ideal for difficult or corrosive liquids such as acids, wastewater, and others. Ultrasonic level sensors are also ideal for continuous level measurement. While float switches and other sensors are adept at measuring when liquid levels are above or below a certain point. The nature of ultrasonic level measurement is such that levels can be sensed and displayed in real-time.

More about Ultrasonic level measurement

Features of Ultrasonic Tank Level Sensor：

Non-contact – nothing touches the liquid
Easy to install at the top of the tank into standard fittings
Use indoors or outside, in metal or plastic tanks
Connects to other industrial equipment
Measures a wide variety of liquids and liquid environments
Accessories to display, alarm, and control liquid levels
Wireless option sends tank levels to a LAN or the cloud
MRO & OEM tank setup duplication without re-calibration

Magnetostrictive level transmitter, in-tank liquid level transmitter, is a continuous magnetic level gauge. The magnetostrictive level sensor measure the level of fluid in the vessel. By detecting the level of the magnets contained within the float and then transmits the measurement back to the control system.

Magnetostrictive liquid level transmitter is a kind of liquid level sensor. But it uses the principle of magnetostrictive operation internally. And combines modern electronic technology to measure the time value between pulse waves to achieve the purpose of accurately measuring the liquid level . The magnetostrictive liquid level meter works with waveguide pulses. During the work, the measured displacement is determined by measuring the time of the start pulse and the end pulse, so the measurement accuracy is high.

Features of Magnetostrictive Level Transmitters:

High Accuracy
High Reliability
No calibration required
No Maintenance
Simultaneous Measurement of Multiple Process Conditions:
-Product Level
-Interface Level
-Temperature
-Volume
No Scheduled Maintenance or Recalibration
Field Repairable
Inherent Accuracy ±0.039” (±1 mm)
200 Point Strap Table
API Temperature Corrected Volumes
Integral Display
Hazardous Area Certified
Intrinsically Safe

More about Magnetostrictive liquid level tmeasurement

Submersible level sensor, Pressure and DP level transmitter are all hydrostatic measurement devices.

Also known as pressure level transmitters, these transmitters help in determining fluid contents of a container, by measuring the pressure of the resting body of the fluid within it. The greater the force of liquid, the greater the volume of fluid.

Extended reading: Hydrostatic Level Measurement

The pressure type liquid level gauge is a pressure sensor that measures the liquid level. Including static pressure level gauge, liquid level transmitter, pressure transmitter and so on. The measured static pressure of a liquid is proportional to the height of the liquid. And the static pressure is converted into an electrical signal. After temperature compensation and linear correction, it is converted into a standard electrical signal (4-20mA / 1 ～ 5VDC). Hydrostatic liquid level sensor is suitable for liquid level measurement of various media in systems and industries. Such as petrochemical, pharmaceutical, water supply and drainage, environmental protection and other systems. The exquisite structure, simple adjustment and flexible installation methods provide convenience to use.

The differential pressure level gauge is a meter that calculates the liquid level (differential pressure) in a tank. By measuring the pressure difference at two different points of the container. For example, a 500 mm water column corresponds to a pressure of 500 mmH20. In many applications, however, there is additional vapor pressure above the liquid. Vapor pressure is not part of the level measurement. So impulse tubes and capillaries with seals are needed to counteract its presence.Capillary columns and sealing systems solve many installation problems with impulse tubes. These systems include an external sensing diaphragm. This diaphgram connected to a differential pressure transmitter via an oil-filled capillary column. The change in pressure causes a displacement of the diaphragm. So that the pressure is transmitted to the transmitter through the oil-filled capillary. The oil-filled capillary system is carefully welded and manufactured. So it is a reliable sealing system. This type of structure eliminates leak points and blockages that may occur in the impulse tube.

More about Hydrostatic pressure level measurement

Radar level transmitter, also called Radar level gauge. Non-contact Continuous level measurement in liquids and solids with free space radar sensors. Non-contacting radar, based on microwave technology, detects only surfaces that reflect energy. These transmitters work on the principle of a radar by using radio wave emissions. Mounted at the top of a tank filled with a liquid. The transmitter sends a radar signal into the liquid, and receives a reflection of the signal. The transmitters then analyze the current fill level of the tank based on the time taken by the transmitted signal to return.

Operating Principle of Non-Contacting Radar Level Sensors/Gauges (Unguided Wave)

Extended reading: Radar Liquid Level Sensor|Corrosive, steam, volatile liquids

Radar Level Sensor Features

Non-contact, continuous level measurement over larger ranges
Unaffected by sludge and biomass, dust, foam, oil, grease and other coatings, uneven surfaces, turbulence, pressure, and vacuum
Single frequency radar level sensors for liquid sensing, dual frequency radar level sensors for level measurement of aggregates, gravel, sand, coal, asphalt, and other solids
Simple mounting and push-button calibration

More about Radar level measurement

Capacitance level detectors, also known as Capacitance level transmitter. RF Capacitance Level Transmitter offers continuous and point level detection. In liquids and solids with capacitance probes. These transmitters use liquid stored in a tank or container as a dielectric medium between two or more electrodes. The energy capacity of the capacitor circuit increases when there is more liquid, and decreases if there is less liquid. Measuring the variations in the capacitance value, capacitance level transmitters calculate level of the tank.

Features of SI700 RF capacitance level transmitter:

Capacitive level measurement enables measurement without blind spots over the entire sensor length
Fully insulated capacitive sensors also measure aggressive liquids
Cost-effective measurement for trouble-free and maintenance-free operation

More about capacitance level measurement

These gauges are the preferred replacement for the sight glasses. They are similar to float devices, but they communicate the liquid surface location magnetically. The float, carrying a set of strong permanent magnets, rides in an auxiliary column (float chamber) attached to the vessel by means of two process connections. This column confines the float laterally so that it is always close to the chamber’s side wall. As the float rides up and down the fluid level a magnetized shuttle or bar graph indication moves with it. Showing the position of the float and thereby providing the level indication. The system can work only if the auxiliary column and chamber walls are made of non-magnetic material.

Sino-Inst provides float designs optimized for the specific gravity of the fluid being measured. Whether butane, propane, oil, acid, water, or interfaces between two fluids, as well as a large selection of float materials. This means the gauges can handle high temperatures, high pressures and corrosives fluids. Oversized float chambers and high-buoyancy floats are available for applications where buildup is anticipated.

Chambers, flanges and process connections can be made from engineered plastics. such as Kynar or exotic alloys such as Hastelloy C-276. Special chamber configurations can handle extreme conditions. Such as steam jacketing for liquid asphalt, oversized chambers for flashing applications, temperature designs for liquid nitrogen and refrigerants. Numerous metals and alloys ( titanium, Incoloy and Monel ) are available for varying combinations. Like high-temperature, high-pressure, low-specific-gravity and corrosive-fluid applications. Magnetic level gauges can also be outfitted with magnetostrictive and guided-wave radar transmitters. This allow the gauge’s local indication to be converted into 4-20 mA outputs and digital communication. That can be sent to a controller or control system.

Float level gauge is mainly composed of magnetic float, sensor and transmitter. When the magnetic float ball changes with the liquid level and floats up and down along the catheter. The magnetic steel in the float ball attracts the reed switch at the corresponding position in the sensor. Which changes the total resistance (or voltage) of the sensor. The transmitter then converts the changed resistance (or voltage) signal into a 4-20mA current signal output.
The float ball level gauge uses a magnetic float ball as a measuring element. Which makes the resistance in the sensor change linearly through magnetic coupling. The smart converter converts the resistance change into a 4-20mA standard current signal. It can display the percentage of liquid level, the current of 4 ~ 20mA and the value of liquid level. Remote transmission control room can realize automatic detection, control and recording of liquid level. The instrument is suitable for the sewage treatment of petroleum, chemical, power, light industry and pharmaceutical industries. And the measurement of the medium level in various atmospheric and pressure vessels. It is especially ideal for the liquid level measurement of underground storage tanks and storage tanks.

Features of Float level transmitters:

Suitable for the measurement of the liquid level and interface of the liquid medium in the container. In addition to on-site instructions, it can be equipped with remote transmitters, alarm switches and complete detection functions.
Innovative indication, intuitive reading, eye-catching, observing the direction of the indicator can be according to user needsChange the angle.
Large measuring range, not limited by the height of the storage tank.
The indicating mechanism is completely isolated from the measured medium, with good sealing, high reliability and safe use.
Simple structure, easy installation, easy maintenance, corrosion resistance, no power supply required, explosion-proof. At the lower limit, the float floats upright on the water.

Extended reading: Diesel fuel tank level gauges & indicators

After understanding these 7 types of Tank Level Senors, if you are experienced, you can purchase Tank Level Senors on the product details page. If you are new to this, then perhaps you need to continue to consider the measurement medium and monitoring requirements.

The following content is based on our many years of experience in liquid level measurement services. We at Sino-Inst have long been providing users with various tank level measurement solutions.

First, we recommend that you consider the measuring medium. For example, the most common measurement is the liquid level of water and diesel.

Water Tank Level Sensor

The water level sensor of your water tank is an essential component. If not repaired or replaced, a sensor can become damaged over time and fail entirely. Too much water can cause a malfunction and too little water means inadequate water pressure. Either way, repairing or replacing holding tanks is an expensive task you shouldn’t have to undertake because of sub-par sensors.
With Sino-Inst’s water tank level sensors, there’s nothing to break down or rust and our models have a 99% success rate!

In the high unlikely event that you experience any issues with your product, call us and we’ll replace or repair it immediately at no charge.

Hydrostatic pressure for Water level measurement

SMT3151TR Hydrostatic level transmitter-Rod Type

Extended reading: Hydrostatic Pressure Transmitter

Diesel storage tanks -Explosion Proof level sensors

For diesel, gasoline, or other oils that require explosion-proof storage tanks. Liquid level measurement requires level sensors to meet explosion-proof requirements.

For example, explosion-proof ultrasonic level meter, explosion-proof radar level meter, etc.

non-contact tank level sensors

**Ultrasonic Oil Level Sensor-External Paste-Truck Fuel Tank**

**ULT-100 Explosion-proof** **Ultrasonic Level Indicator**

**Radar Water Level Sensor 0.05m～35m ~70m~120m**

Of course, there are many cases where we need to measure chemical liquids, such as hydrochloric acid, liquid ammonia, etc.

Chemical Tank Level Measurement

Sino-Inst Tank level sensors expand the range of environments in which our sensors operate. Some common chemicals can damage or corrode sensor materials, even 316 stainless steel. Transducer elements and bonding adhesives are also susceptible. Our tank level sensors avoid these problems by using a continuous injection molded housing of Polyvinylidene fluoride (PVDF), a highly non-reactive thermoplastic that resists solvents, acids and hydrocarbons.

Tank level sensors have both top and bottom mounting threads and include a potted-in, PUR-jacketed, UV resistant cable. Verify your chemicals and operating temperatures with this compatibility chart. All ToughSonic sensors include analog, switch and data interfaces and compatible setup software, included at no charge.

Extended reading: Corrosive Liquid Chemical Level Sensor in Chemical Processing

Read more about: Ultrasonic Tank Level Sensors for Tank Level Monitoring

OK. Once you know your measuring medium. Then you need to identify your monitoring needs. For example, you need to transmit the liquid level signal to the PLC system through 4-20mA.

All tank level sensors mentioned in this article can output 4-20mA.

The 4-20 mA current loop is the prevailing process control signal in many industries.It is an ideal method of transferring process information. Because the current does not change as it travels from the transmitter to receiver. It is also much simpler and cost-effective.However, voltage drops and the number of process variables,that need to be monitored can impact its cost and complexity.By knowing these fundamentals you will be able to make more informed decisions about process control in your facility. Which could affect your bottom line.

Extended reading: Industrial Tank level indicators and Tank Level Gauges

An analog signal refers to information represented by a continuously changing physical quantity. The amplitude, frequency, or phase of the signal changes continuously over time, or the characteristic amount of the representative information can be presented at any instant as a continuous time interval. Any value signal.

Sino-Inst’s tank level gauge provides multiple output modes, including analog voltage and current, digital, RS485, etc. The output signal can provide a position, multiple positions, or a position plus a temperature output. The detailed multi-function output mode provides customers with more choices.

Extended Reading: How to Measure Volume of Liquid

Continuous level sensors provide level monitoring of an entire system. They measure liquid level in a range, rather than at a single point, outputting an analog signal that correlates to the liquid level inside your tank or vessel.

Extended reading: What is a capacitive liquid level sensor?

If you do not have a monitoring system similar to a PLC, but you need to monitor the tank level in the office, you can configure our level-volume recorder.

Extended reading: GWR Solid Level Sensor-Cement silo-Ash powder measure

Featured Continuous level sensors

SI-U02 Multi-Point Liquid Level Float Switch

SI-U03 Float Switch Water Level Controller

SI-U04 Magnetic Float Level Sensor-Reed Switch

Tank Level Sensor Industries & Applications

Continuous level transmitters are versatile in monitoring liquid level needs. They can monitor water, diesel, lube oils and fuels, as well as various chemical and petrochemical liquids.

Storage tanks are widely used in the fluid industry to store raw materials, finished products, and intermediate products. They have an irreplaceable role in ensuring the safe production of equipment, energy-saving and emission reduction and improving the overall management level. National strategic reserves are also inseparable from various types of Storage tanks.

Industrial storage tanks are generally steel storage tanks. Carbon steel, low-temperature steel, stainless steel, and other materials are selected according to the characteristics of the storage medium, storage temperature, pressure, and other parameters. Other materials such as FRP and plastic are not considered due to fire and pressure resistance.

Common liquid level sensor application tank level monitoring:

Chemical injection
Hydraulic and lube oil tanks
Drilling fluid (mud) tank monitoring
Liquid level monitoring during transfer
Food and Beverage
HVAC
Medical
Printing (Ink Handling Systems)
Off-Highway Vehicles
Semiconductor

Extended reading: Types of Fuel-Diesel Level Sensors

How Tank Level Sensors Work?

There are two types of level transmitters, one is continuous and the other is point-off. The continuous level transmitter is a real-time monitor of the height of the liquid in the container. The point type, which generally takes two points, high and low, and outputs an alarm signal when the medium in the container reaches these two points. The types of liquid level transmitters are very wide. Specific include magnetic flap liquid level gauge, tuning fork vibration type, differential pressure type, pressure type. Ultrasonic, magnetostrictive liquid level gauge, magnetic flap, radar, and so on.

Levels of media such as: water, viscous fluids, and fuels, or dry media such as bulk solids and powders can be measured using the transmitter.

Level measurement transmitters are used in a myriad of applications that require level measurement within containers or tanks. These transmitters often find their application in material handling, food and beverage, power, chemical, and water treatment industries.

Magnetostrictive Level Sensor in Storage Tank Level Measurement

Level Transmitters

About Level Sensor Types and how they work, OMEGA Engineering has a good explanation. Video source

Technical Support

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Q&A

Fluid level sensors are termed as the sensors used for detecting liquid levels or interfaces between liquids. Such as water and oil or solids and liquids. These sensors can also be defined as transducers or as integrated systems with instrumentation and control capabilities. This type of fluid level sensor is one of the most important sensors. Fluid level sensor plays a vital role in a variety of industrial and applications.

Industrial applications include fluid-level sensing in transport tanks, storage tanks and water treatment tanks. And also in the petrochemical industries for sensing liquids. Such as petrol, diesel and other fuels. Liquid level measurement is significant in household applications. Including electronic devices. Such as, water dispensers, water evaporators, steamers.

The monitoring system of boilers, heating systems. Washing machines, steam irons, juice squeezers, automated coffee machines, etc.

Fluid Level sensors are designed for specific applications compared to general applications.

Extended reading: Diesel Tank Level Monitoring System

Point level sensors are devices that detect variation in liquid levels. And the levels are based on the presence or absence of liquid media at various points in a vessel or tank. Most often, the function of point level sensors is: High level or low-level alarms. Spill-prevention sensors. Pump protection alarms. Or pump control components.

In the simplest terms, point level sensors operate in either an on or off state. And point level sensors are used to control external devices that share an on/off functionality.
Examples of liquid level sensors that can work as point-level sensors:

Horizontal Float Switches
Vertical Float Switches
Ultrasonic Liquid Level Sensors
Optical Liquid Level Sensors

Fuel tank level measurement can be achieved by using fuel level sensors. These Fuel level sensors work on a hydrostatic pressure principle. By installing a sensor at the base of the fuel tank can associate the pressure created by the level of fuel above the device. And this has a direct relationship to the level by a simple calculation. This calculation can be seen by using the Impress conversion software here.

The things to consider when selecting a fuel level sensor is that the materials used are compatible with the type of fuel you have so for instance on the submersible devices you must make sure that the pressure diaphragm, O ring seals, housing material and Cable sheath are all suitable for complete submersion in the fuel.

Typically we would suggest using a PTFE or FEP cable sheath but for petrol or gasoline although a specially made Hytrel cable may be necessary.

If the installation is a screw-type fitting in the base of the tank then just the housing, O ring seal, and diaphragm are of concern. Ceramic pressure sensor or stainless steel silicon pressure sensors are fine and a stainless steel housing are recommended.

Ultrasonic Sensors are good choice for Water Level Measurement.

The water and wastewater industry has many requirements for measuring the level of water. In applications such as flumes, weirs, pipes, tanks, wells, basins, and cooling towers. Ultrasonic sensors are reliable, cost-effective instruments for these applications. In operation, the sensor is mounted over the water. To determine the distance to the water, it transmits a sound pulse that reflects from the surface of the water. And measures the time it takes for the echo to return.

Sometimes structural components, such as a small pipe, are located in the acoustic path between the ultrasonic sensor and the water. They can reflect a portion of the sound and produce a false echo that interferes with the ability of the sensor to properly detect the echo from the surface of the water. Advanced ultrasonic sensors can be adjusted to ignore these false echoes, which therefore enables them to provide accurate water level measurements.

Extended reading: Sludge flow meter for sewage treatment return activated sludge system

There are 7 main types of level transmitters that Sino-Instrument offers. Each type of transmitter works in a different way, and makes it useful for different types of processes.

Capacitance Level Transmitters
Hydrostatic Level Transmitters
Magnetic Level Transmitters
Radar Fill Level Transmitters
Ultrasonic Level Transmitter
Guided Microwave Level Transmitters
Liquid Level Transmitters

Let’s take a closer look at how different types of level transmitters work.

Sino-Inst offers over 10 level transmitters for level measurement.

About 50% of these are liquid level meters, 40% is the tank level sensor.

A wide variety of level meters options are available to you, such as free samples, paid samples.

Sino-Instrument is a globally recognized supplier and manufacturer of level measurement instrumentation, located in China.

Request a Quote

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Request a Quote

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KimGuo11

drurylandetheatre.com

LT series Digital Display Magnetostrictive liquid level sensor

Posted on January 28, 2020 by KimGuo11

Magnetostrictive liquid level sensor can be used as a fuel tank level sensor. With LCD digital display. Perfect choice for Continuous Level measurement of the diesel tank/fuel tank.

Magnetostrictive liquid level sensor is a Digital display head type liquid level sensor. Specially designed for applications with on-site digital display requirements. Reliable measurement of continuous liquid level and interface are provided in tank level measurement. The LT Level sensors with a magnetostrictive measuring principle support 4-20mA, fieldbus output. Easy installation for storage tank, like Fuel storage tank (explosion proof ).

Digital display head, on-site display liquid level.
Support: Analog output, Modbus output (optional)
Explosion protection: Exd II B T5 (optional)

Sino-Inst offers a variety of magnetostrictive liquid level sensor for industrial level measurement. If you have any questions, please contact our sales engineers.

Need Level Indicator for CO2 tank? Learn more here.

Contact Now

More Magnetostrictive Level Measurement

Features of Magnetostrictive liquid level sensor

The LT series digital display head type liquid level sensor is specially designed for the application with on-site digital display requirements. For large-range liquid level measurement (5-22 meters), a flexible measuring rod can be selected. This avoids the difficulties of installation and transportation caused by a large range.

The sensor can be installed on the top of the tank directly (threaded) or through the flange. The flange is equipped with a mounting position adjustment device. The sensor can be adjusted within a certain range.

The flexible measuring rod is equipped with a translucent anti-corrosion sheath on the outside to enhance the product’s resistance in corrosive environments. The product adopts flameproof enclosure (explosion-proof mark: Ex d II B T5). It has more advantages in the detection of liquid level in hazardous environment.

Built-in digital display head for easy observation of liquid level data;
Absolute output without regular calibration and maintenance;
Zero / full-scale point can be adjusted arbitrarily;
Low power consumption design, effectively reducing system temperature drift;
High precision, maximum 0.1mm level measurement accuracy;
Side outlet for easy installation;
Optional ultra-long range, up to 22m

Applications of Magnetostrictive liquid level sensor

Sensor for continuous level measurement of liquids in bypass level indicators
Chemical and petrochemical industries, offshore
Shipbuilding, machine building
Power generating equipment, power plants
Pharmaceutical, food, water treatment, environmental engineering industries
Simultaneous Measurement of Multiple Process Conditions:
- -Product Level
- -Interface Level
- -Temperature
- -Volume

Industries served:

Oil and Gas
Petrochemical
Chemical
Power Generation
Water and wastewater treatment
Pulp and Paper
Biotech
Marine
Aerospace

Learn more about Diesel fuel tank level gauges & Indicators

TechSpecifications of LT series Magnetostrictive liquid level sensor

Item	Parameters
Analog output	Current: 4-20mA (minimum / maximum load: 0-500Ω) Voltage: 0-10V (minimum load> 5KΩ) Resolution: 16-bit D / A
Modbus	Output signal: Modbus RTU
Output	Transmission rate: 9600bps by default, 19200 / 4800bps optional Resolution: 0.01mm
Measurement parameters
Hard measuring rod	100-5000mm
Flexible measuring rod	5000-22000mm
Non-linearity	<± 0.05% of full scale F.S.
Repeatability	<± 0.02% F.S. of full scale
Update frequency	10 Hz by default, frequency can be customized
Electrical characteristics
Outlet method	Straight out of the cable
Input voltage	24VDC (-15 / + 20%)
Working current	<60mA (varies with range)
Polarity protection	-30VDC
Overpressure protection	36VDC
Insulation capacity	500V (between signal ground and case)
Working conditions
Ambient temperature	-40 ~ 85 ℃
Humidity / zero	90% humidity, no condensation
Humidity coefficient	<50ppm / ℃
Protection class	IP68
Explosion-proof	ExdIIBT5
Installation & accessories
Installation method	M18 * 1.5 thread, matching flange (optional)
Stylus structure	Rigid / flexible rod, 304L stainless steel, optional Teflon coating
Electronic warehouse	Anodized aluminum alloy
Float	304L stainless steel, optional Teflon coating

Extended reading: Types of Fuel-Diesel Level Sensors

Dimensions

Note 1: Different floats have different measurement blind spots at the first and last measurement ends. Please consult technical support before ordering.

Note 2: The outside diameter of the rod without temperature measurement is 10mm, and the outside diameter of the rod with temperature measurement is 12mm.

Magnetostrictive liquid level sensor Installation on Tank

LT series digital display head type liquid level sensor can provide two types of installation: rigid measuring rod and flexible measuring rod. The maximum range can reach 22 meters. There is a Teflon protective sleeve on the outside of the measuring rod. The sensor is mounted on the ceiling through the flange. The flange is equipped with an installation position adjustment device, which can adjust the range of the sensor within a certain range. There are measurement blind areas at the beginning and end of the sensor, which need to be considered during installation.
The sensor uses low-voltage DC power supply, which is more secure in the detection of dangerous goods storage.

Application of Magnetostrictive Liquid Level Senor in Storage Tank

Liquefied petroleum gas is one of the most widely used fuels in civil and industrial production. During the storage and transportation of liquefied petroleum gas, liquid level measurement is an important task of the project. It is required not only to have high accuracy for liquid level measurement. It must also be able to adapt well to the working conditions of closed pressure vessels. At the same time, in order to meet the needs of remote monitoring and management. It must also require the measurement data to have the function of long-distance transmission.

At present, the comparison of the common detection methods for the storage tank liquid level in the tank area is as follows:

Instrument name	Accuracy	Measuring principle	Liquid level, interface, temperature measurement	Regular maintenance	On-site installation	overall costs	Service life
Magnetostrictive liquid level sensor	0.5mm	Magnetostriction	Yes (integrated)	Maintenance-free	Simple	Low	20 years
Servo level sensor	1mm	mechanical	Yes (split)	Regular maintenance	Complicated	High	short
Guided wave radar level senosr	1mm	Radar	no	Maintenance	Complicated	High	Longer

Extended reading: Non contact level measurement

Advantages of stainless steel magnetostrictive liquid level sensor for oil level measurement:

High precision: the magnetostrictive liquid level gauge uses waveguide pulse to work. During the work, the measured displacement is determined by measuring the time of the start pulse and the end pulse. Therefore, its measurement accuracy is high. The resolution is better than 0.01% FS. This is an accuracy that is difficult to achieve with other sensors.
Good safety: the magnetostrictive liquid level gauge has high explosion-proof performance. Safer to use. Especially suitable for the measurement of chemical raw materials and flammable liquids. There is no need to open the tank lid during measurement, and there is no insecurity for manual measurement.
Strong reliability: Because the magnetostrictive liquid level gauge uses the waveguide principle. There are no mechanical moving parts, so there is no friction and no wear. The entire converter is enclosed in a stainless steel tube and does not contact the measuring medium. The sensor works more reliably and has a longer life.
Facilitate system automation: The secondary instrument of the magnetostrictive liquid level gauge adopts standard output signal. Help the computer to process the signal. It is easy to work on the Internet. Improve the automation of the entire measurement system.
Simple installation and maintenance: the magnetostrictive liquid level gauge is usually installed through the existing nozzle on the tank top. It is especially suitable for the installation of underground storage tanks and already put into operation. And will not affect normal production during the installation process.

If you need to measure river water level, open channel level, etc. The Ultrasonic Liquid Level Sensor can be used for non-contact continuous level monitoring. Extended reading: Ultrasonic level transmitter for Hazardous Liquids

What is magnetostrictive level transmitter?

How does a magnetostrictive sensor work?

The device electronics generates a low energy current pulse at fixed intervals.
The electrical pulses create a magnetic field which travels down a specialized wire inside the sensor tube.
The interaction of the magnetic field around the wire and the magnetic float causes a torsional stress wave to be induced in the wire. This torsion propagates along the wire at a known velocity, from the position of the magnetic float and toward both ends of the wire.
A patented sensing element placed in the transmitter assembly converts the received mechanical torsion into an electrical return pulse.
The microprocessor-based electronics measures the elapsed time between the start and return pulses (Time of Flight). And converts it into a position measure-ment which is proportional to the level of the float.

Extended reading: Radar Level Sensor Working Principle

Magnetostrictive level transmitter price

The price of a magnetostrictive level transmitter is determined based on the measurement conditions. Sino-Instrument is a manufacturer of magnetostrictive level gauges. We offer magnetostrictive level gauges at the right price.

Selection considerations:

1. The selection of the level gauge should be consistent with the environment of the media on the site. Including ambient temperature, pressure, vibration, shock, compatibility of structural materials and media, etc.

2. When the temperature of the measured medium is high (100 ～ 200), it is recommended to choose a probe with an outer float type and use a side flange installation. When the temperature is higher (200 ~ 300), it is recommended to choose a probe with a side-bundled type with an outer float, and install it with a side flange.

3. There are measurement dead zones at the upper and lower ends of the measuring rod of the magnetostrictive level gauge, which should be considered when selecting the range.

4. The size of the stainless steel magnetic float commonly used for level gauges is Ф45 × 56 × Ф15, and flange connection of DN50 or above is required. For the liquid level gauge with thread connection, users need to install flange or bracket.

Magnetostrictive liquid level sensor can measure liquid level or interface. However, it is not possible to perform on-off control of the liquid level. If you need to control the tank level, you can read Guide for Liquid level float switches.

FAQ

How does a level transmitter work?

The level of the liquid medium in the container is called the liquid level. And the instrument that measures the liquid level is called the liquid level transmitter. Level transmitter is a kind of level instrument. There are two types of level transmitterss, one is continuous and the other is point-off. The continuous level transmitter is a real-time monitor of the height of the liquid in the container. The point type, which generally takes two points, high and low, and outputs an alarm signal when the medium in the container reaches these two points.The types of liquid level transmitters is very wide. Specific include: magnetic flap liquid level gauge, tuning fork vibration type, differential pressure type, pressure type. Ultrasonic, magnetostrictive liquid level gauge, magnetic flap, radar and so on.
Levels of media such as: water, viscous fluids, and fuels, or dry media such as bulk solids and powders can be measured using the transmitter.
Level measurement transmitter are used in a myriad of applications that require level measurement within containers or tanks. These transmitters often find their application in material handling, food and beverage, power, chemical, and water treatment industries.
Learn More

How does a hydrostatic level sensor work?

When considering a new level sensor for level measurement applications,
it is often hard to find information on how the different types of level sensors,
like the hydrostatic level sensors respectively hydrostatic pressure sensors, are working.
Recently, I explained level measurement by using the hydrostatic pressure measurement.
In closed geometries, such as enclosed tanks and vessels,
generally, flush pressure sensors or pressure transmitters are used,
which can be screwed into the vessel from the outside.
Pressure sensors are therefore particularly suitable,
in applications of free-standing tanks and vessels.
A submersible pressure transducer
or a flush pressure sensor
measures the height-dependent weight-force of the liquid column,
also known as hydrostatic pressure.
This pressure measurement is directly proportional to the liquid level respectively liquid column,
at the measuring point of the pressure sensor.
It is, therefore, necessary, for the measurement of level,
that the pressure sensor is placed as close as possible to the level of the vessel’s bottom.
The measured hydrostatic pressure then directly corresponds to the height of the liquid column,
from the ground-level measurement point to the surface-level of the medium.
So, the filling height is calculated from the distance of the medium surface,
to the measuring point by the pressure measurement.
The weight force of the liquid column,
thus the hydrostatic pressure, however,
is not only directly proportional to the filling height
but also varies with the specific gravity of the medium and the force of gravity.
More
Extended reading: Hydrostatic Level Measurement

What is DP type level transmitter?

The liquid level (pressure/differential pressure) transmitter is a pressure signal,
measured at the reference side of atmospheric pressure (low pressure side),
with one or two ports for flange (or other connection) and process pipe connection.
On the basis of common pressure/differential pressure transmitter,
one or two isolation membrane boxes, are added to measure the liquid receiving part.
Mainly used for measuring high temperature, easy to solidify or crystallize,
containing solid suspended matter, too viscous,
corrosive or other needs to maintain sanitary conditions, non-polluting media.
More

Read more about : Diesel Fuel Level Sensor Types

More Featured Level Senors

**Magnetostrictive Tank Level Transmitter**

**Submersible hydrostatic level transmitter**

Featured Continuous level sensors

Sino-Instrument offers over 10 level transmitters for level measurement. About 50% of these are liquid level meters, 40% is the tank level sensor.

A wide variety of level meters options are available to you, such as free samples, paid samples.

Sino-Inst is a globally recognized supplier and manufacturer of level measurement instrumentation, located in China.

Request a Quote

Please enable JavaScript in your browser to submit the form

KimGuo11

drurylandetheatre.com

Hydraulic Oil Flow Meters

Posted on January 11, 2020 by KimGuo11

The hydraulic flow meter is mainly for inline hydraulic system instantaneous flow test and high-pressure test. Industrial Hydraulic oil flow meter, also called hydraulic flow gauge.

Sino-Inst offers Turbine, Mass flow, Oval gear, V-cone, Target, and Orifice flow meters for inline hydraulic oil flow. Features like: bidirectional, high pressure, analog, can be customized as customer need.

RFQ

Sino-Inst offers a variety of hydraulic oil flow Meters for flow measurement. If you have any questions, please contact our sales engineers.

More Flow Meters

Hydraulic oil flow meters measure the flow of oil in machines. They are important in many industries. These meters help machines work well, last longer, and avoid breaking down. Industries like car-making, mining, and oil & gas use them. Hydraulic oil flow meters are needed for accurate measurements and to keep machines running smoothly.

Featured Hydraulic Flow Meters for Sale

**V-series Curved Digital Mass Flow Meter**

Sino-Inst offers great prices for hydraulic oil flow meters. For example, a turbine flow meter for hydraulic oil:

Size: DN50
Max pressure: 16 bar
Signal output: 4-20mA
FOB Price: USD 585.00/set

Please note, this price is just an example. The actual price depends on the user’s specific measurement needs.

Hydraulic oil is the hydraulic medium.

Hydraulic oil is used in hydraulic systems that utilize fluid pressure energy.

Its role is Energy transfer, anti-wear, system lubrication, Anti-corrosion, anti-rust, cooling, etc.

1. Hydraulic systems for automobiles and construction machinery use hydraulic oil as the working medium. In this type of hydraulic system, the fluid velocity is not large and the pressure is high, so it is called static pressure transmission.

2. Hydraulic oil is widely used, and it is the most used product in industrial oil. Hydraulic components are developing in the direction of small size and high power. The system pressure is getting higher and higher, and some have exceeded 50 MPa.

More:

Hydraulic pressure is a term for the machinery industry and electromechanical industry. Hydraulic power can be powered by hydraulic power. Hydraulic pressure can also be used as a control method, which is called hydraulic pressure control.
Hydraulic principle In certain mechanical and electronic systems, the static pressure of the liquid medium is used to complete the backlog, transfer and amplification of energy. Achieve lightweight, scientific, and maximized mechanical functions.
In the hydraulic system, due to some reason, the liquid pressure suddenly rises suddenly at a certain moment, and a high-pressure peak is formed. This phenomenon is called hydraulic shock.
Select the type of hydraulic oil according to the working environment and working conditions. When selecting the hydraulic oil used in hydraulic equipment. It should be comprehensively considered and judged from several aspects such as working pressure, temperature, working environment, hydraulic system and component structure and material, and economy.

Extended reading: High Temperature Flow Meter

The hydraulic flow meter is a flowmeter that can measure hydraulic oil. The hydraulic flow meter is a name called according to the measurement medium in the industry.

There is no hydraulic oil flow meter in the strict sense. It is not accurate to say which flowmeter is a hydraulic flow meter. Which one to use depends on the specific flow measurement conditions.

For example, the hydraulic oil is also labeled, 40 #, 46 #, or other viscosity properties. Then choose a suitable flow meter according to the relevant information such as flow, pressure, viscosity, and so on.

Here are some common types of hydraulic oil flow meters and what they do:

Gear Flow Meters: These meters have gears that rotate to measure oil flow. They work well with thick fluids.
Turbine Flow Meters: These meters use a spinning part to measure flow. They work with different flow rates and clean fluids.
Variable Area Flow Meters: Also called rotameters, these meters use a tube and a moving float to measure flow. They’re simple and work with many fluid types.
Positive Displacement Flow Meters: These meters measure fluid flow by trapping and counting fluid. They’re accurate and good for thick fluids like hydraulic oil.
Mass Flow Meters: These meters measure the mass of fluid flowing through a system instead of volume. They are useful in situations where fluid density changes can impact the accuracy of volumetric flow meters.
Ultrasonic Flow Meters: These meters use sound waves to measure flow without touching the fluid. They’re good when you want to avoid fluid contamination or pressure loss.

Knowing the different types of hydraulic oil flow meters helps you pick the best one for your needs.

High-Pressure Turbine Flow Meter series of turbine flow meters is ideal when measuring the flow of fluids under high pressure, such as in hydraulic testing.

It is also perfect for chemical injection systems, as it withstands pressures up to 20,000 psi and is available in a variety of flow ranges (0.08 to 32 gallons/minute).

High Pressure Hydraulic Flow Meter

Diameter	DN200～DN3000mm
Accuracy	0.5% to 2.0% of reading
Temp. range	-20～+150℃
Pressure	40 MPa
Flow rate	0.5～6m/s
Straight pipe required	Up stream≥5DN, down stream≥3DN

The wireless flow meter is integrated with the instrument and control part on the basis of accurate measurement. Realize automatic cut-off and connection operation of the pipeline.

The wireless flowmeter avoids the liquid flowing too fast and causing damage to the instrument itself. Prevent dangerous accidents.

Wireless flow meter realizes the operation of automatic two-way flow measurement. Instantaneous flow on site. Total forward and reverse total display. Self-diagnostic fault alarm. Full use of GSM / GPRS data wireless remote transmission and other functions to realize wireless remote transmission of flow data, Storage and other functions.

GSM / GPRS remote monitoring and management software system is matched with wireless remote transmission flowmeter with remote transmission function.

This system can query, statistics, analyze and display the water consumption situation and pipeline pressure of each measurement point in the form of charts or curves.

Users can easily manage water consumption at each measurement point. When abnormal water conditions occur at the measurement point or the battery capacity of the on-site flow meter is insufficient. The system can issue an alarm message.

Can display the meter’s flow rate, flow rate, cumulative quantity, pressure, working status, and other data.
Can print all the data of the query directly.
Can directly export the data of all meters to the computer.
Can directly see the flow curve of the query meter. Directly print out the flow curve graph.
You can check the working status of the field instrument and whether the instrument has an alarm condition.
Can display the annual, monthly, and daily water consumption of all the instruments in the form of a report. You can directly print the report.
You can directly export the report to the computer. All meter data can be backed up directly to the computer.

Extended Reading: Insertion Flowmeter Types

How to use a hydraulic flow meter?

A flow meter can be placed in any location of the hydraulic line to detect the flow rate. Flow meters with variable port sizes are available that are suitable for different hydraulic systems.
When the hydraulic system operates, the fluid is passed towards the flow meter.
A flow meter mainly contains 3 parts; the primary device, a transducer and a transmitter. The transducer senses the hydraulic fluid passing through the primary device.
And a usable flow signal is generated by the transmitter when the sensed signal is sent by the transducer.
The volume is calculated based on the principle that the volume of fluid passing is directly proportional to the cross-sectional area and the fluid velocity.
Also, the mass flow is directly proportional to fluid density and volume.
Then, this calculated hydraulic measurement is displayed on the hydraulic flow meter gauge.
All standard hydraulic oil flow meters supports unidirectional flow.
But, reverse flow by-pass options are also available with some selected flow meters.
Selecting a hydraulic flow meter is a difficult procedure. A wrong selection will cause errors in the diagnosed result.
The factors that need to be considered while selecting a hydraulic flow meter are:
- the hydraulic fluid properties.
- operating condition of the hydraulic system.
- the need for measuring flow.
- the level of accuracy required.
- the effect of fluid on flow meter and vice-versa.
- and finally the budget.

More about inline oil flow meter

Digital inline oil flow meter

What is an inline flow meter?

The online flow meter is actually a flow meter displayed on the spot. At present, all integrated flow meters are online flow meters. All have local display function.

For example, the split-type flowmeter has no local display function. Its meter head and sensor are connected through conduction, and the online flowmeter is the mainstream measuring instrument in current flow measurement.

What are the advantages of online flow meters in the flow measurement process? In some measurements with a control system, the advantage of the online flowmeter is not great. Because the size of the flow can be monitored through the PLC system. And there is no PLC system in the working condition. The online flowmeter can show its advantages, and it can display the accumulated flow and instantaneous flow online.

Inline hydraulic oil flow meter

Inline hydraulic oil flow meter measures the hydraulic oil flow directly on the pipeline, and then displays the flow on the meter.

Hydraulic oil flowmeter is a flowmeter that can measure hydraulic oil. It is the name given by the industry based on the measurement medium. There is no hydraulic oil flow meter in the strict sense.

It is foolish to say which flowmeter is the hydraulic oil flowmeter.

Which one to use depends on the specific working conditions. For example, hydraulic oil also has a label, is it 40#, 46# or other viscosity properties. It is necessary to see clearly, and then select an appropriate flow meter based on the flow, pressure and other related information.

Extended Reading: Summary Of Crude Oil Flow Measurement Options

Oil Flow Meter Types

At present, the following types of flow meters can be used to measure oil:

Turbine flow meters. Gear flow meter. Vortex flowmeter. Ultrasonic flow meter. Mass flowmeter. Differential pressure flow meters.

Flow Meter Selection Guide 101: Find the Perfect Fit for Your Application

How to Select Hydraulic flow Meter?

When searching for a flow meter for use in a particular hydraulic application, these five questions can help:

What are the fluid properties?
What is the hydraulic system operating condition
Why is flow being measured; how accurately does the flow measurement need to be?
What effect might the flow meter have on the fluid and vice-versa?
How important is it to measure flow;
What is your budget?

Extended Reading: Mechanical oil flow meter

Technical Support

Help Center

The D represents the diameter of the pipe. For the orifice plate in the orifice plate flowmeter, the minimum requirements for the front and rear straight pipe sections are 10D Upstream and 5D Downstream. If there is a pump or regulating valve in front of the orifice plate, then the requirements for the straight pipe section are greater.

There are many types of flow meters.

According to the different structural principles of the flowmeter, it is divided into:

Differential pressure flowmeter: orifice plate, bar type such as Annubar, V cone, wedge type, elbow, nozzle, target type, etc.
Variable area flowmeter: rotor, open channel, etc.
Velocity flowmeter: electromagnetic, ultrasonic, turbine, vortex street, precession vortex, rotor, etc.
Positive displacement flowmeter: waist wheel, oval gear, piston, scraper, etc.
Mass flowmeter: Coriolis, thermal, etc.

Extended reading: Metal Tube Flow Meter-Variable Area Flow Meters Principle

Flow is the amount of fluid that passes through a pipe or device at a cross-section in a unit of time. This quantity is expressed by mass and is called mass flow. Expressed by volume, called volume flow. Expressed by weight, called weight flow.

Because the density of a fluid changes with changes in the state parameters of the fluid, the volume state must be given while specifying the state of the fluid.

Especially for gas, its density varies significantly with pressure and temperature. In order to facilitate the comparison of the volume flow rate, the volume flow rate in the working state is often converted to the volume flow rate in the standard state (temperature is 20 ° C and absolute pressure is 101325Pa).

Commonly used flow measurement methods include speed-type flow measurement methods, volumetric flow measurement methods, and direct or indirect methods to measure the mass of fluid flowing through the cross section of the pipe per unit time.

In the above method, more speed-type flow measurement method instruments are applied.

Except for the standard throttling device which does not need to be tested for the current flowmeter, almost all other flowmeters need to be calibrated when leaving the factory. During the use of the flowmeter, it should also be calibrated frequently.

The volume method is most commonly used. This is a method of measuring the volume of fluid flowing into a constant volume container within a measurement time to obtain the flow rate.

The mass method is a method of weighing the mass of a fluid flowing into a container within a measurement time to obtain a flow rate.

During calibration, a pump is used to draw the test fluid from the liquid storage container through the calibrated flowmeter and enter the liquid container.

The temperature of the fluid is measured while the weight is weighed to determine the density of the measured fluid at that temperature.

Divide the weight of the measured fluid by the density of the fluid at the measured temperature to obtain the volume of the fluid.

Comparing it with the meter’s volume indication (accumulated pulse number), the meter constant and accuracy of the calibrated flowmeter can be determined. The accuracy of this system can reach 0.1%.

The working principle of the standard volume tube method is based on the volumetric method (standard volumetric method), but it is a dynamic measurement.

The standard flowmeter comparison method is to connect the calibrated flowmeter and the standard flowmeter in series to the pipeline flowing through the test fluid, and compare the two measured values to find the error. The accuracy of the standard flowmeter is 2 to 3 times higher than that of the calibrated flowmeter.

Where are flow meters used? Or, What does a flow meter measure?

At industrial sites, meters that measure fluid flow are referred to as flow meters or flow sensors.

It is one of the most important instruments in industrial measurement.

With the development of industry, the accuracy and range of flow measurement requirements are getting higher and higher.

In order to adapt to various purposes, various types of flowmeters have been successively launched,

widely used in oil and gas, petrochemical, water treatment, food and beverage.

Industries such as pharmaceuticals, energy, metallurgy, pulp and paper, and building materials.

Measurement of gas mass flow in industrial pipelines
Smoke flow rate measurement from the chimney
Calciner flue gas flow measurement
Air flow measurement during gas process
Compressed air flow measurement
Gas flow measurement during semiconductor chip manufacturing process
Gas flow measurement in sewage treatment
Gas flow measurement in heating ventilation and air conditioning systems
Flux recovery system gas flow measurement
Measurement of combustion gas flow in a combustion boiler
Gas flow measurement of natural gas, flare gas, hydrogen, etc.
Measurement of carbon dioxide gas flow during beer production
Measurement of gas mass flow in the production process of cement, cigarette and glass factory
Open channel

Flowmeters are devices that measure the rate of liquid, gas or vapor that passes through them.

Some flowmeters measure flow as the amount of fluid passing through the flowmeter during a time period (such as 100 liters per minute).

Other flowmeters measure the totalized amount of fluid that has passed through the flowmeter (such as 100 liters).

Flow measurement can be described by :
Q = A x v

Q is flow rate, A is the crosssectional area of the pipe, and v is the average fluid velocity in the pipe.

Putting this equation into action, the flow of a fluid traveling at an average velocity of a 1 meter per second,

through a pipe with a 1 square meter cross-sectional area is 1 cubic meter per second.

Note that Q is a volume per unit time, so Q is commonly denoted as the “volumetric” flow rate.

Now consider the following equation:
W = rho x Q

Where W is flow rate (again – read on), and rho is the fluid density.

Putting this equation into action, the flow rate will be 1 kilogram per second,

when 1 cubic meter per second of a fluid with a density of 1 kilogram per cubic meter is flowing.

(The same can be done for the commonly-used “pounds”. Without getting into details — a pound is assumed to be a mass unit.)

Note that W is a mass per unit time, so W is commonly denoted as the “mass” flow rate.

Now — which flow do you want to measure? Not sure? In some applications, measuring the volumetric flow is the thing to do.

Consider filling a tank.

Volumetric flow may be of interest to avoid overflowing a tank,

where liquids of differing densities can be added.

(Then again, a level transmitter and high level switch/shutoff may obviate the need for a flowmeter.)

Consider controlling fluid flow into a process that can only accept a limited volume per unit time.

Volumetric flow measurement would seem applicable.

In other processes, mass flow is important.

Consider chemical reactions,where it is desirable to react substances A, B and C.

Of interest is the number of molecules present (its mass), not its volume.

Similarly, when buying and selling products (custody transfer) the mass is important, not its volume.

In recent years, flow measurement technology has developed rapidly. Most of the steam flow measurement uses differential pressure flowmeters and vortex flowmeters.

In practical applications, the maximum diameter of the high temperature vortex flowmeter can only be 300mm and the maximum temperature is 450℃. Therefore, in the measurement of high temperature and high pressure large-diameter steam flow, the differential pressure flowmeter still has unique advantages. For example, Annubar flowmeter, differential pressure orifice flowmeter, etc.

Differential pressure flowmeter manufacturing technology and national and international standards are quite mature. With the introduction of the multivariable transmitter dynamic full compensation intelligent technology, the accuracy of high temperature pressure and large diameter steam flow measurement has been greatly improved, and the installation and maintenance workload has been reduced.

Diesel Fuel Flow Meters

Posted on January 8, 2020 by KimGuo11

Diesel Fuel flow meters are digital flow meters for liquid fuel consumption measurement.

Most widely used types are mechanical and digital inline fuel meters. Differential flow sensors are avilable. Like: the turbine, positive displacement (oval gear), Coriolis, and differential pressure flow meters.

Sino-Inst offers a variety of fuel flow meters for most fuels. Including diesel, bio-diesel, kerosene, gasonline, oil, heating oil, grease and certain chemicals.Sino-Instrument offers diesel fuel flow measurement solutions and free technical support. If you have any question for diesel fuel flow measurement, please contact us.

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Featured Inline Diesel Fuel Flow Meters

**Z-Series Straight Tube Micro Motion Coriolis Flow Meter**

**T-series Triangle Coriolis Mass Flowmeter**

Features of Diesel Fuel Flow Meters

Turbine flow meter for Diesel Fuel

High performance ±1%R, ±0.5%R, high precision ±0.2%R;
Good repeatability, short-term repeatability of 0.05% to 0.2%
Output pulse frequency signal
A very high frequency signal (3~4kHz) can be obtained, and the signal resolution is strong;
The medium and large caliber can reach 1:20 and the small diameter is 1:10.
Easy installation and maintenance, and large circulation capacity;
Suitable for high pressure measurement
Can be made into insert type for large diameter measurement
Low pressure loss and low price

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Mass flow meter for Diesel Fuel

Double-U or double-C flow tube ensures high accuracy and customer’s requirement.
Provides integrated mass flow, volum flow, density, temperature measurement and relative calculated parameter.
Easy on Installation, do not need rectifier and filter parts.
Fixed parts, maintenace free. High stability, no need for frequent disassembly calibration.
Allow low-range operation, reducing pressure loss and energy consumption waste.
Integrated installation, low installation costs.
Extremely high accuray and long-term stability, could be used for business transaction.
Ultra-wide measure range, could measure gas accurately (gas mass flow meter).
Transmitter can be exchanged, and will not be influenced by area temperature.

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Annubar Flow Meter for Diesel Fuel

Honeycomb hexagonal stable structure,increasing the range ratio.
Suitable for square or rectangular pipes.
For the unavoidable clogging problem of similar products in measuring dirty media, achieve non-stop production maintenance.
Average speed tube + three valve group + temperature pressure compensation + transmitter, form an integrated structure, easy to use.
No flow coefficient drift, long-term stability.
Exclusively provide intuitive resonance check to ensure long-term stable operation.
Low pressure loss, low energy consumption, significant energy saving effect.
Easy to install and save labor, low price and fast delivery (1 week)

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Orifice Flow Meter for Diesel Fuel

The Orifice meter is very cheap as compared to other types of flow meters.
Less space is required to Install and hence ideal for space-constrained applications
The operational response can be designed with perfection.
Installation direction possibilities: Vertical / Horizontal / Inclined.

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Venturi Flow Meter for Diesel Fuel

Less head loss than an orifice or nozzle meter, due to the streamlined design
Ideal for clear gas, liquid or steam applications
Available in many materials and end arrangements
Can be equipped with fittings to accept secondary instrumentation packages

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Diesel Fuel Flow Meters Applications

Diesel, bio-diesel, kerosene, gasoline.

Petroleum, organic liquid, inorganic liquid.

Liquefied gas, natural gas, coal gas.

Oil, DEF, heating oil, grease and certain chemicals, low temperature fluid flow measurement.

Extended reading: More Inline Digital Diesel Fuel Flow Meters

Fuel flowmeter refers to the flowmeter used to measure the flow rate of fuel. Commonly referred to as turbine flow meters and oval gear flow meters.

A flow meter is used to measure the quantity of fluid that has been moved during the transfer process. They have a visual display, which can be either mechanical or digital, for the user to read off the measurement. Flow meters are used within a variety of fluid transfer applications. And therefore whilst they are always used to measure the fluid, the ways in which they work are slightly different.
Of course, the fuel flow meter also has some characteristics of its own, such as:
Explosion proof
Pulse output
Unaffected by changes in fluid density, viscosity, temperature, pressure, and conductivity.

If you need more accurate measurement, you can choose a mass flow meter. Coriolis mass flowmeters have zero drift but the impact is relatively small. Higher operating costs. Mass flow meters can measure temperature and density online. Oval gears are relatively stable for mechanical flow meters.

Turbine Flow Meters are the most widely used diesel fuel flow meters. Measure your diesel fuel or oil consumption with our fuel flow meter.

Diesel Flow Meter Working Principle

The working principle of the turbine flow meter:

Fluid flows through the sensor housing.Because the blade of the impeller has a certain angle with the flow direction, the impulse of the fluid causes the blade to have a rotating moment.

Blades rotate after overcoming frictional torque and fluid resistance.After the torque is balanced, the speed is stable.Under certain conditions, the speed is directly proportional to the flow rate.

Because the blade is magnetically permeable, it is in the magnetic field of a signal detector (made of permanent magnetic steel and coils).

The rotating blade cuts the magnetic field lines and periodically changes the magnetic flux of the coil.

Thereby, an electric pulse signal is induced at both ends of the coil.This signal is amplified and shaped by the amplifier to form a continuous rectangular pulse wave with a certain amplitude.

Remotely transmitted to the display instrument, show the instantaneous flow rate and cumulative amount of the fluid.In a certain flow range, the pulse frequency f is proportional to the instantaneous flow Q of the fluid flowing through the sensor.

In addition to supplying diesel flowmeters, Sino-Inst also supplies various diesel level sensors.

A flow meter is an instrument that indicates the flow rate to be measured and/or the total amount of fluid in a selected time interval. Simply put, it is a meter used to measure the flow of fluid in a pipe or open channel.

Flowmeters are devices that measure the rate of liquid, gas or vapor that passes through them.

Some flowmeters measure flow as the amount of fluid passing through the flowmeter during a time period (such as 100 liters per minute).

Other flowmeters measure the totalized amount of fluid that has passed through the flowmeter (such as 100 liters).

Flow measurement can be described by :
Q = A x v

Q is flow rate, A is the crosssectional area of the pipe, and v is the average fluid velocity in the pipe.

Putting this equation into action, the flow of a fluid traveling at an average velocity of a 1 meter per second, through a pipe with a 1 square meter cross-sectional area is 1 cubic meter per second.

Note that Q is a volume per unit time, so Q is commonly denoted as the “volumetric” flow rate.

Now consider the following equation:
W = rho x Q

Where W is flow rate (again – read on), and rho is the fluid density.

Putting this equation into action, the flow rate will be 1 kilogram per second, when 1 cubic meter per second of a fluid with a density of 1 kilogram per cubic meter is flowing.

(The same can be done for the commonly-used “pounds”. Without getting into details — a pound is assumed to be a mass unit.)

Note that W is a mass per unit time, so W is commonly denoted as the “mass” flow rate.

Now — which flow do you want to measure? Not sure? In some applications, measuring the volumetric flow is the thing to do.

Consider filling a tank.

Volumetric flow may be of interest to avoid overflowing a tank, where liquids of differing densities can be added.

(Then again, a level transmitter and high level switch/shutoff may obviate the need for a flowmeter.)

Consider controlling fluid flow into a process that can only accept a limited volume per unit time.

Volumetric flow measurement would seem applicable.

In other processes, mass flow is important.

Consider chemical reactions,where it is desirable to react substances A, B and C.

Of interest is the number of molecules present (its mass), not its volume.

Similarly, when buying and selling products (custody transfer) the mass is important, not its volume.

Flow Meters Pulse Output

The signal output by the flowmeter is generally a pulse signal or a 4-20mA current signal. Both types of signals output instantaneous flow (also used by relays to output cumulative signals. The principle is the same, and will not be repeated).

Our purpose is to PLC Calculate and display the instantaneous flow value and calculate the cumulative value. When the input signal is a pulse signal. When calculating the instantaneous flow rate, you must follow a strict time interval to ensure the accuracy of the instantaneous flow rate.

So, when calculating the instantaneous flow rate, This must be done using timed interrupts. Moreover, only one interrupt program can be run in a PLC system. No other interrupts are allowed (even low priority interrupts are not allowed to run).

Prevents interference with the accuracy of timed intervals. Calculating the instantaneous flow rate is to convert the accumulated pulse number of this time period into the accumulated flow rate. Divided by time is the instantaneous flow.

For the 4-20mA input, the instantaneous flow rate can be directly obtained by simply converting according to its corresponding range. The cumulative flow is the cumulative flow accumulated in each time period is the cumulative flow.

Flow meters with a pulse output essentially use pulses per litre to measure the amount of fluid being dispensed. And then send a signal to an external piece of equipment to tell them this information.

A fuel pulse meter for example is often connected to a remote display or a fuel management system.

Our range of fuel pulse meters include models suitable for different fluids and are compatible with pumps with differing flow rates. Ensure that when selecting your meter, its flow range meets your pump’s flow capabilities.

Of course, in addition to measuring Diesel Fuel flow meters. Other flow meters can also output pulses or 4-20mA signals.

For example, if you need to measure the waste water flow of a 2-inch pipe, then you can refer to: Magnetic Flow Meters Guides.

How much is a 2 inch water flow meter? Let’s find out.

Fuel Flow Meters for Diesel Engine Fuel Consumption

For generators, boats, trains to hydraulic packs applications. Diesel engines are becoming increasingly popular.

Fuel consumption and efficiency are generally not monitored in Diesel Engines. And the unit’s performance has to be gauged from the manufacturer’s test figures and often never checked again.

With increases in fuel prices, the possibility of theft from remote installations along with many other factors. So the monitoring the fuel consumption of diesel engines has become increasingly important with the transport industries in particular taking a lot more interest in their vehicles fuel consumption.

This chart approximates the fuel consumption of a diesel generator. Based on the size of the generator and the load at which the generator is operating at. Please note that this table is intended to be used as an estimate of how much fuel a generator uses during operation. And is not an exact representation due to various factors that can increase or decrease the amount of fuel consumed.

Extended reading: Fuel Flow Meter for Boat-Selection & Application

Ddiesel engine fuel consumption chart

Generator Size (kW)	20	30	40	60	75	100	125	135	150	175	200	230	250	300	350	400	500	600	750	1000	1250	1500	1750	2000	2250
1/4 Load (gal/hr)	0.6	1.3	1.6	1.8	2.4	2.6	3.1	3.3	3.6	4.1	4.7	5.3	5.7	6.8	7.9	8.9	11	13.2	16.3	21.6	26.9	32.2	37.5	42.8	48.1
1/2 Load (gal/hr)	0.9	1.8	2.3	2.9	3.4	4.1	5	5.4	5.9	6.8	7.7	8.8	9.5	11.3	13.1	14.9	18.5	22	27.4	36.4	45.3	54.3	63.2	72.2	81.1
3/4 Load (gal/hr)	1.3	2.4	3.2	3.8	4.6	5.8	7.1	7.6	8.4	9.7	11	12.5	13.6	16.1	18.7	21.3	26.4	31.5	39.3	52.1	65	77.8	90.7	103.5	116.4
Full Load (gal/hr)	1.6	2.9	4	4.8	6.1	7.4	9.1	9.8	10.9	12.7	14.4	16.6	18	21.5	25.1	28.6	35.7	42.8	53.4	71.1	88.8	106.5	124.2	141.9	159.6

Learn more about Diesel fuel tank level gauges & Indicators

Fuel flow meter aircraft

A fuel flowmeter for plane indicates an engine’s fuel use in real time. This can be useful to the pilot for ascertaining engine performance and for flight planning calculations.

The types of fuel flow meter used on an aircraft depends primarily on the powerplant being used and the associated fuel system. Not every plane or associated system uses the same kind of flow meter to get the job done.

In most cases, many flow meters perform tasks related to maintaining a single plane. Some of the more common flow meters in use include:

Open Channel Flow Meters
Mass Flow Meters
Turbine Flow Meters
Positive Displacement Flow Meters
Variable Area Flow Meters
Velocity Flow Meters

A mass flow fuel flow indicating system used on turbine-engine aircraft uses the direct relationship between viscosity and mass to display fuel flow in pounds per hour
A turbine flow transducer in this fuel flow sensor produces a current pulse signal from an opto-electronic pickup with a preamplifier
A transducer and microprocessor for control functions are located in the base of this turbine fuel flow sensor. The gauge is menu driven with numerous display options

https://www.aircraftsystemstech.com/2017/06/fuel-system-indicators.html

Every flow meter must be properly maintained and calibrated. All flow meters become inaccurate over time through regular use. Regular re-calibrations and general standards to ensure proper operation.

Flow meters designed for the aviation industry are made of the highest quality materials and to specific industry standards. That way, everyone working in the industry and flying the skies can be in the safest environment possible at all times.

Extended Reading: Fuel Flow Meters for Diesel-Marine fuel-Industrial oil

Marine diesel fuel flow meter

Insatech Marine Performance Concept
https://www.insatechmarine.com/products/performance/fuel-consumption-system

How much fuel is consumed onboard a ship, is directly related to the performance. The better the performance, the lower the fuel consumption during operation. In this equation, accuracy is not negligible.
An offset of 1% in measurement on a vessel operating 200 days a year consuming an average of 100 tons a day equals an offset of 200 tons a year. Depending on the price of HFO or MGO used, this misread has the potential to range up to USD 100,000.
The Coriolis Mass Flow Meters used in our Fuel Consumption System has an accuracy better than 0,2% of nominal flow directly measured in mass. Whereas most volumetric flow meters are in the range 0,5% to 2,0%. And they rely on volumetric conversion which depends on the temperature to calculate a mass flow.
By installing one or more mass flow meters (depending on engine supply line layout and desired insight) fuel consumption can be monitored closely in real-time.
The main principle is to measure the flow of fuel before and after the engine and/or generators. When you compare the consumption data with measurements of actual speed and position (based on speed log and GPS signals). You are able to directly measure the fuel efficiency.
If you require more detailed readings, for example, one set of meters per consumer or one set for the ship’s entire consumption. Additional flow meters can be installed.

More Technical Supprots

Fuel Flow Meters for Diesel-Marine fuel-Industrial oil

What is a fuel flow meter? Fuel flow meter is an instrument that can monitor fuel flow. Industrail Fuel is an important energy source. For example, diesel, marine fuel, gasoline, etc.

Industrail Fuel is an important energy source for production and manufacturing. For example, diesel, marine fuel, gasoline, etc. It is very necessary to accurately measure industrial fuel. Commonly used industrial fuel flow meters, such as turbine flow meters, gear flow meters, mass flow meters, ultrasonic flow meters, etc.

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