Gas Detectors

Sampling: With internal sampling pump, flow rate is up to 1 L/min, ten grades of pumping suction for selection
Gas: Ethylene C2H4
Measure Range: 0 to 1000 ppm
Resolution: 1ppm

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Gas Detected: O2 CH4 CO2 VOC CO H2S SO2 CL2 NO2 NH3
Detection principle: Electrochemical principle (O2 CO H2S SO2 CL2 NO2 NH3) Infrared principle (CH4 CO) Photoionization principles (VOC)
Measurement Range: O2: 0-30% VOL, CH4: 0-50000 PPM, CO2:0-50000 PPM VOC:0-2000 PPM, CO:0-999 PPM, H2S: 0-200 PPM SO2: 0-25 PPM, CL2: 0-50 PPM, NO2: 0-100 PPM, NH3:0-100 PPM
Resolution: O2: 0.01% VOL, CH4: 1 PPM, CO2:1 PPM VOC:1 PPM, CO:0.1 PPM, H2S: 0.1 PPM SO2: 0.01 PPM, CL2: 0.01 PPM, NO2: 0.01 PPM, NH3:0.01 PPM

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Sampling method: Diffusion
Sensor type: CO2: solid electrolyte sensor, O2：electrochemical sensor
Detection range: CO2：0.04 to 5.00 % and O2：0.0 to 30.0 %
Detection accuracy: CO2：± 30 % rdg (rdg = reading) and O2：± 3 % F.S. (F.S. = full scale)

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Sampling Method: Diffusion
Working conditions: <table cellspacing=0 border=1> <tr> <td style=min-width:50px>Temperature </td> <td style=min-width:50px>-20 to 50°C</td> </tr> <tr> <td style=min-width:50px>Pressure </td> <td style=min-width:50px>0.9 to 1.1 (standard atmospheric pressure) </td> </tr> <tr> <td style=min-width:50px>Humidity </td> <td style=min-width:50px>10 to 95 % RH (no dew condensation)</td> </tr> </table>
Explosion proof grade: Exia II CT3
Protection grade: IP65

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Gas detected: NO<sub>2</sub>
Detection principle: Electrochemistry
Sampling method: Pumping suction, flow rate can up to 1L/min, ten grades of pumping suction for selection.
Measure range: 0 to1000 ppm

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Sampling method: Diffusion
Measurement principle: Electrochemical (oxygen, toxic gases), Catalytic combustion (flammable gases), Infrared principle (carbon dioxide gas)
Detector gas: Flammable gases, oxygen gas, toxic and harmful gases
Response time: <table cellspacing=0 border=1> <tr> <td style=min-width:50px>CO2 < 10 s </td> </tr> <tr> <td style=min-width:50px>O2, flammable gases < 20 s </td> </tr> <tr> <td style=min-width:50px>CO, H2S, SO2, NO, ClO2, NO2, H2 < 30 s </td> </tr> <tr> <td style=min-width:50px>HCN, NH3, PH3 < 100 s </td> </tr> </table>

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Gas detected: Sulfur dioxide SO<sub>2</sub>
Detection principle: Electrochemistry
Sampling method: Pumping suction, flow rate can up to 1L/min, ten grades of pumping suction for selection.
Measure range: 0 to1000 ppm

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