Gas detector is also called Gas concentration detector, which supports single gas detection or 1~4 multi gas detection. Gas detector is a flammable gas monitor with modular design, intelligent sensor detection technology, overall explosion-proof (d) structure, and fixed installation. With dot-matrix LCD liquid crystal display, three-wire 4~20mA analog and RS485 digital signal output. It can be configured as programmable switch output and other modules, and provide customized products according to user needs. It also supports functions such as output signal fine-tuning, which is convenient for system assembly network and maintenance.

RFQ
Industrial Gas detector

Features of Industrial gas detector

  • Intelligent EC sensor adopts intrinsically safe technology and can support multi-gas and multi-range detection. And can provide customized products according to user needs.
  • Sensor interchange, offline calibration and zero point self-calibration can be realized without tools;
  • The intelligent temperature and zero point compensation algorithm makes the instrument have more excellent performance and good selectivity. Avoid the interference of other gases on the detected gas;
  • 4-20MA, RS485 and other signal outputs can be easily connected to PLC, DCS, DDC and other industrial control systems. It can also be used as a stand-alone control;
  • Switch signal output, convenient to use in conjunction with control equipment such as fans or solenoid valves;
  • Super large dot matrix LCD liquid crystal display, English operation interface;
  • Support multiple detection units such as PPM, %LEL, %VOL, mg/m3;
  • The alarm point, zero point adjustment and target point calibration of the detector can be performed through the remote control without opening the cover. Maintainable by one person;
  • Built-in button design + restore factory settings function to avoid misoperation by personnel;
  • Local alarm indication, integrated sound and light detector (optional);
  • The instrument has over-range and reverse polarity protection. Can avoid the danger caused by improper human operation;
  • Abundant electrical interfaces for users to choose;
  • Aluminum alloy casting explosion-proof shell, strong and durable;
  • Explosion-proof certificate level: ExdIICT6;
  • Protection level: IP66;

Gas concentration detector parameters

Output signal①4-20mA signal: standard 12-bit precision 4-20mA output chip, transmission distance 1Km
②RS485 signal: standard MODBUS RTU protocol is adopted, and the transmission distance is 1Km
③Voltage signal: 0.4-2V, 0-5V, 0-10V output, optional (choose one of voltage output and current output)
④Switch signal: 1 set of passive contact relays, capacity 220VAC 3A/24VDC 3A
⑤GPRS, 4G, WIFI, LORA, ZigBee and other wireless signals, optional
Receiving deviceUser computer, control alarm, PLC, DCS, DDC, etc.
Way of workingDiffuse (default)
Detection mediumCombustible gas, oxygen, toxic gas, organic volatiles (can be used to detect 1 to 4 gases) refer to the gas selection table on the last page
Detection principleCatalytic combustion/electrochemical/infrared NDIR/semiconductor/thermal conductivity/PID photoion (depending on the measured medium)
Examination range0-100%LEL, 0-1%/10%/30%/100%VOL, 0-5/10/100/1000/10000ppm, mg/m³ (according to sensor principle)
Resolution0.001/0.01/0.1/1 (depending on the range)
Detection error≤±3%F.S (≤3% in the full range) Higher precision can be customized
Repeatability≤±1%
linearity error≤±1%
Response time (T90)≤30S
Operating VoltageDC24V (12V～30V)
Operating temperature-20℃~50℃ , special requirements: (-40℃~70℃/-40℃~260℃)
Working humidity10-95%RH (non-condensing)
Work pressure86～106Kpa
Sensor life2 to 3 years, 3 to 5 years (depending on the principle of the sensor and the environment in which it is used)
Explosion-proof formProbe transmitters and sensors are flameproof.
Explosion-proof gradeExdIICT6
Protection classIP66 Waterproof and short-term rain, long-term rain needs to be equipped with a rain cover or choose a housing without display
Connecting cables① Choose a three-core shielded cable for 4-20mA, and four-core for RS485. When the distance exceeds 1000 meters (with a detector), the diameter of a single wire is ≥ 1.5mm, and the shielding layer is connected to the ground.
②Wireless transmission: Built-in LORA and Zigbeg modules can be used for short-distance wireless transmission; external GPRS/4G modules can be installed for remote data transmission to the cloud platform, and historical records can be viewed on the computer and mobile terminals without distance restrictions (optional)
Alarm methodOn-site sound and light alarm, external alarm, remote controller alarm, computer data acquisition software alarm, etc.
Alarm SettingsTwo-level alarm is standard, and three-level alarm is optional; alarm mode can be set: normal high and low alarm, interval control alarm
Dimensions220*205*97 (L*W*H)
Electrical InterfaceDefault M20X1.5 internal thread, optional 3/4NPT, 1/2NPT
Metrology certificateOptional, at the customer’s own expense
AccessoriesOne copy of packing box, instruction manual and certificate of conformity
Industrial gas detector dimensions

Application of gas detector:

Paint room; incineration plant, pharmaceutical scientific research, pharmaceutical production workshop, company, environmental monitoring, school scientific research, building construction, fire alarm, sewage treatment, industrial gas process control, petroleum and petrochemical, chemical plant, smelting plant, steel plant, coal plant, thermal power plant ,, boiler room, waste treatment plant, tunnel construction, oil pipeline, gas filling station, underground gas pipeline maintenance, indoor air quality testing, safety protection equipment monitoring in dangerous places, etc.

The data shows: the usual temperature range is -20°C ~ +50°C, and the humidity is 10%RH ~ 95%RH without condensation. The absolute pressure is 106KPa±20KPa, and the ±20KPa is the relative pressure, which is the pressure relative to the atmospheric pressure. (The information is for reference only; please also make corresponding selection according to your actual working conditions)

Application of gas detector

Gas measuring range reference

For questions about the exposure limit of toxic and harmful gases and the harm to the human body at the concentration, please consult the gas sales personnel.

Common Gas Selection Table

Gas RangeMaximum allowable error valueminimum readingResponse time T90
Combustible gas (E X)0-100%LEL<±3%(F.S)0.1%LEL≤10 seconds
Combustible gas (E X)0-100%Vol<±3%(F.S)0.1%Vol≤10 seconds
Methane (CH4)0-100%LEL<±3%(F.S)0.1%LEL≤10 seconds
Methane (CH4)0-100%Vol<±3%(F.S)0.1%Vol≤10 seconds
Oxygen (O2)0-30%Vol<±3%(F.S)0.01%Vol≤10 seconds
Oxygen (O2)0-100%Vol<±3%(F.S)0.01%Vol≤10 seconds
Oxygen (O2)0-5000ppm<±3%(F.S)1ppm≤30 seconds
Nitrogen (N 2 )0-100%Vol<±3%(F.S)0.01%Vol≤10 seconds
Carbon monoxide (CO)0-100ppm<±3%(F.S)0.1ppm≤25 seconds
Carbon monoxide (CO)0-1000ppm<±3%(F.S)0.1ppm≤25 seconds
Carbon monoxide (CO)0-2000ppm<±3%(F.S)0.1ppm≤25 seconds
Carbon monoxide (CO)0-20000ppm<±3%(F.S)1ppm≤25 seconds
Carbon monoxide (CO)0-100000ppm<±3%(F.S)1ppm≤25 seconds
carbon dioxide (C O 2 )0-500ppm<±3%(F.S)1ppm≤20 seconds
carbon dioxide (C O 2 )0-2000ppm<±3%(F.S)1ppm≤20 seconds
carbon dioxide (C O 2 )0-5000ppm<±3%(F.S)1ppm≤20 seconds
carbon dioxide (C O 2 )0-50000ppm<±3%(F.S)1ppm≤30 seconds
carbon dioxide (C O 2 )0-20%Vol<±3%(F.S)0.01%Vol≤30 seconds
carbon dioxide (C O 2 )0-100%Vol<±3%(F.S)0.01%Vol≤30 seconds
Formaldehyde (CH2O)0-10ppm<±3%(F.S)0.001ppm≤30 seconds
Formaldehyde (CH2O)0-10ppm<±3%(F.S)0.01ppm≤30 seconds
Formaldehyde (CH2O)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Formaldehyde (CH2O)0-1000ppm<±3%(F.S)1ppm≤45 seconds
Ozone (O3)0-1ppm<±3%(F.S)0.001ppm≤20 seconds
Ozone (O3)0-5ppm<±3%(F.S)0.001ppm≤20 seconds
Ozone (O3)0-50ppm<±3%(F.S)0.01ppm≤20 seconds
Ozone (O3)0-100ppm<±3%(F.S)0.01ppm≤20 seconds
Ozone (O3)0-2000ppm<±3%(F.S)0.1ppm≤30 seconds
Ozone (O3)0-30000ppm<±3%(F.S)1ppm≤30 seconds
Ozone (O3)0-20mg/L<±3%(F.S)0.01mg/L≤30 seconds
Ozone water (O 3 )0-20mg/L<±3%(F.S)0.01mg/L≤30 seconds
Hydrogen sulfide (H 2S)0-10ppm<±3%(F.S)0.001ppm≤30 seconds
Hydrogen sulfide (H 2S)0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Hydrogen sulfide (H 2S)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Hydrogen sulfide (H 2S)0-2000ppm<±3%(F.S)0.1ppm≤30 seconds
Hydrogen sulfide (H 2S)0-10000ppm<±3%(F.S)1ppm≤45 seconds
Sulfur dioxide (SO 2 )0-10ppm<±3%(F.S)0.001ppm≤30 seconds
Sulfur dioxide (SO 2 )0-20ppm<±3%(F.S)0.01ppm≤30 seconds
Sulfur dioxide (SO 2 )0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Sulfur dioxide (SO 2 )0-500ppm<±3%(F.S)0.1ppm≤30 seconds
Sulfur dioxide (SO 2 )0-2000ppm<±3%(F.S)0.1ppm≤30 seconds
Sulfur dioxide (SO 2 )0-10000ppm<±3%(F.S)1ppm≤30 seconds
Nitric oxide (NO)0-10ppm<±3%(F.S)0.001ppm≤30 seconds
Nitric oxide (NO)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Nitric oxide (NO)0-2000ppm<±3%(F.S)0.1ppm≤30 seconds
Nitric oxide (NO)0-5000ppm<±3%(F.S)1ppm≤30 seconds
Nitrogen dioxide (NO 2 )0-10ppm<±3%(F.S)0.001ppm≤25 seconds
Nitrogen dioxide (NO 2 )0-100ppm<±3%(F.S)0.01ppm≤25 seconds
Nitrogen dioxide (NO 2 )0-1000ppm<±3%(F.S)0.1ppm≤30 seconds
Nitrogen dioxide (NO 2 )0-5000ppm<±3%(F.S)1ppm≤30 seconds
Nitrogen dioxide (NO 2 )0-10ppm<±3%(F.S)0.001ppm≤30 seconds
Nitrogen oxides (NOX)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Nitrogen oxides (NOX)0-2000ppm<±3%(F.S)0.1ppm≤30 seconds
Nitrogen oxides (NOX)0-5000ppm<±3%(F.S)1ppm≤30 seconds
Chlorine gas (CL 2)0-10ppm<±3%(F.S)0.001ppm≤30 seconds
Chlorine gas (CL 2)0-20ppm<±3%(F.S)0.01ppm≤30 seconds
Chlorine gas (CL 2)0-200ppm<±3%(F.S)0.1ppm≤30 seconds
Chlorine gas (CL 2)0-2000ppm<±3%(F.S)0.1ppm≤30 seconds
Ammonia (N H3)0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Ammonia (N H3)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Ammonia (N H3)0-1000ppm<±3%(F.S)0.1ppm≤30 seconds
Ammonia (N H3)0-5000ppm<±3%(F.S)1ppm≤30 seconds
Ammonia (N H3)0-100%LEL<±3%(F.S)0.1%LEL≤10 seconds
Hydrogen (H 2 )0-100%LEL<±3%(F.S)0.1%LEL≤10 seconds
Hydrogen (H 2 )0-1000ppm<±3%(F.S)0.1ppm≤30 seconds
Hydrogen (H 2 )0-20000ppm<±3%(F.S)1ppm≤30 seconds
Hydrogen (H 2 )0-40000ppm<±3%(F.S)1ppm≤30 seconds
Hydrogen (H 2 )0-100%Vol<±3%(F.S)0.01%Vol≤20 seconds
Helium (He)0-100%Vol<±3%(F.S)0.01%Vol≤20 seconds
Argon gas (A r)0-100%Vol<±3%(F.S)0.01%Vol≤20 seconds
Xenon gas (X e)0-100%Vol<±3%(F.S)0.01%Vol≤20 seconds
Hydrogen cyanide (HCN)0-30ppm<±3%(F.S)0.01ppm≤30 seconds
Hydrogen cyanide (HCN)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Hydrogen Chloride (HCL)0-20ppm<±3%(F.S)0.01ppm≤30 seconds
Hydrogen Chloride (HCL)0-200ppm<±3%(F.S)0.1ppm≤30 seconds
Phosphine (PH3)0-5 ppm<±3%(F.S)0.001ppm≤30 seconds
Phosphine (PH3)0-25 ppm<±3%(F.S)0.01ppm≤30 seconds
Phosphine (PH3)0-2000 ppm<±3%(F.S)1ppm≤30 seconds
Chlorine Dioxide (CLO 2)0-1ppm<±3%(F.S)0.001ppm≤30 seconds
Chlorine Dioxide (CLO 2)0-10ppm<±3%(F.S)0.01ppm≤30 seconds
Chlorine Dioxide (CLO 2)0-200ppm<±3%(F.S)0.01ppm≤30 seconds
Ethylene oxide (ETO)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Ethylene oxide (ETO)0-1000ppm<±3%(F.S)0.1ppm≤30 seconds
Ethylene oxide (ETO)0-100%LEL<±3%(F.S)1%LEL≤30 seconds
Phosgene (COCL 2 )0-1ppm<±3%(F.S)0.001ppm≤20 seconds
Phosgene (COCL 2 )0-50ppm<±3%(F.S)0.01ppm≤20 seconds
Silane (Si H4)0-1ppm<±3%(F.S)0.001ppm≤30 seconds
Silane (Si H4)0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Fluorine gas (F 2 )0-1ppm<±3%(F.S)0.001ppm≤30 seconds
Fluorine gas (F 2 )0-10ppm<±3%(F.S)0.01ppm≤30 seconds
Fluorine gas (F 2 )0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Hydrogen fluoride (HF)0-10ppm<±3%(F.S)0.01ppm≤30 seconds
Hydrogen fluoride (HF)0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Hydrogen bromide (HBr)0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Diborane (B2 H6)0-10ppm<±3%(F.S)0.001ppm≤30 seconds
Arsine (As H3)0-1ppm<±3%(F.S)0.001ppm≤30 seconds
Arsine (As H3)0-10ppm<±3%(F.S)0.01ppm≤30 seconds
Arsine (As H3)0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Germane (Ge H4)0-2ppm<±3%(F.S)0.001ppm≤30 seconds
Germane (Ge H4)0-20ppm<±3%(F.S)0.01ppm≤30 seconds
Hydrazine (N2 H4)0-1ppm<±3%(F.S)0.001ppm≤30 seconds
Hydrazine (N2 H4)0-300ppm<±3%(F.S)0.1ppm≤30 seconds
Tetrahydrothiophene (TH T)0-100mg/m3<±3%(F.S)0.01 mg/m3≤60 seconds
Bromine gas (B r2)0-10ppm<±3%(F.S)0.001ppm≤30 seconds
Bromine gas (B r2)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Bromine gas (B r2)0-2000ppm<±3%(F.S)1ppm≤30 seconds
Acetylene (C2H 2 )0-100%LEL<±3%(F.S)0.1%LEL≤30 seconds
Acetylene (C2H 2 )0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Acetylene (C2H 2 )0-1000ppm<±3%(F.S)0.1ppm≤30 seconds
Ethylene (C2 H4)0-100%LEL<±3%(F.S)0.1%LEL≤30 seconds
Ethylene (C2 H4)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Ethylene (C2 H4)0-2000ppm<±3%(F.S)0.1ppm≤30 seconds
Acetaldehyde (C2 H4O)0-10ppm<±3%(F.S)0.01ppm≤30 seconds
Ethanol (C2 H6O)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Ethanol (C2 H6O)0-2000ppm<±3%(F.S)1ppm≤30 seconds
Methanol (CH6O)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Methanol (CH6O)0-2000ppm<±3%(F.S)1ppm≤30 seconds
Carbon disulfide (C S2)0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Carbon disulfide (C S2)0-5000ppm<±3%(F.S)0.01ppm≤30 seconds
Acrylonitrile (C3 H3N)0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Acrylonitrile (C3 H3N)0-2000ppm<±3%(F.S)1ppm≤30 seconds
Methylamine (CH5N)0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Dian Qi (I 2)0-50ppm<±3%(F.S)0.01ppm≤30 seconds
Styrene (C8 H8)0-200ppm<±3%(F.S)0.1ppm≤30 seconds
Styrene (C8 H8)0-5000ppm<±3%(F.S)1ppm≤30 seconds
Vinyl chloride (C2H3 CL)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Trichloroethylene (C2H CL3)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Tetrachloroethylene (C2 CL4)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Laughing gas (N 2O)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Nitrogen trifluoride (NF3)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Hydrogen peroxide (H2O2)0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Sulfuryl Fluoride (SO 2F 2 )0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Sulfuryl Fluoride (SO 2F 2 )0-30000ppm<±3%(F.S)1ppm≤30 seconds
Sulfuryl Fluoride (SO 2F 2 )0-200g/m3<±3%(F.S)0.1g/m3≤30 seconds
Sulfuryl Fluoride (SO 2F 2 )0-100ppm<±3%(F.S)0.01ppm≤30 seconds
Sulfuryl Fluoride (SO 2F 2 )0-5000ppm<±3%(F.S)1ppm≤30 seconds
Sulfuryl Fluoride (SO 2F 2 )0-10000ppm<±3%(F.S)1ppm≤30 seconds
C6 H60-10ppm<±3%(F.S)0.01ppm≤30 seconds
C6 H60-100ppm<±3%(F.S)0.01ppm≤30 seconds
C6 H60-2000ppm<±3%(F.S)1ppm≤30 seconds

FAQ

Yes, there is a device called a gas detector that is designed to detect the presence of gases in an area.

Gas detectors can identify various types of gases, including natural gas, carbon monoxide, propane, and many toxic or combustible gases. The specific gases a detector can identify depends on its design and sensors.

Yes, when maintained and calibrated properly, gas detectors are effective in sensing and alerting about the presence of specific gases. However, it’s important to choose the right detector for your needs and to regularly check its functionality.

For homes with gas appliances or heating, it’s crucial to have a carbon monoxide (CO) detector. If you have concerns about potential gas leaks, consider a combined CO and natural gas detector. Always place detectors in recommended locations and check their batteries regularly.

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Industrial Gas Detector is an instrument specially designed for gas safety concentration detection. The working principle of Gas Detector is mainly to convert the physical or chemical non-electrical signals collected by the gas sensor into electrical signals, and then rectify and filter the above electrical signals through external circuits. And through these processed signals, the corresponding modules are controlled to realize gas detection.

The core of the Gas Detector is the built-in sensor component, which has different detection technology principles based on the different gases it detects.

We at Sino-Inst are professional Gas Detector manufacturers. We have long provided Single/multi Gas-Gas Detector-Industrial Gas Concentration Detectors to various industries. If you need to monitor gas concentration, please feel free to contact our sales engineers!

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Single/Multi Gas Detector-Industrial Gas Concentration Detector

Gas detector is also called Gas concentration detector, which supports single gas detection or 1~4 multi gas detection. Gas detector is a flammable gas monitor with modular design, intelligent sensor detection technology, overall explosion-proof (d) structure, and fixed installation. With dot-matrix LCD liquid crystal display, three-wire 4~20mA analog and RS485 digital signal output. It can be configured as programmable switch output and other modules, and provide customized products according to user needs. It also supports functions such as output signal fine-tuning, which is convenient for system assembly network and maintenance.

Product SKU: Single/multi Gas-Gas Detector-Industrial Gas Concentration Detector

Product Brand: Sino-Inst

Product Currency: USD

Product Price: 799

Price Valid Until: 2029-09-09

Product In-Stock: InStock

Editor's Rating:
5