SamplingWith internal sampling pump, flow rate is up to 1 L/min, ten grades of pumping suction for selection
GasEthylene C2H4
Measure Range0 to 1000 ppm
Resolution1ppm

Sampling methodDiffusion
Sensor typeCO2: solid electrolyte sensor, O2：electrochemical sensor
Detection rangeCO2：0.04 to 5.00 % and O2：0.0 to 30.0 %
Detection accuracyCO2：± 30 % rdg (rdg = reading) and O2：± 3 % F.S. (F.S. = full scale)

Working conditions

Temperature	-20 to 50°C
Pressure	0.9 to 1.1 (standard atmospheric pressure)
Humidity	10 to 95 % RH (no dew condensation)

Gas detectedNO₂
Detection principleElectrochemistry
Sampling methodPumping suction, flow rate can up to 1L/min, ten grades of pumping suction for selection.
Measure range0 to1000 ppm

Gas detectedSulfur dioxide SO₂
Detection principleElectrochemistry
Sampling methodPumping suction, flow rate can up to 1L/min, ten grades of pumping suction for selection.
Measure range0 to1000 ppm

Sampling methodDiffusion
Measurement principleElectrochemical (oxygen, toxic gases), Catalytic combustion (flammable gases), Infrared principle (carbon dioxide gas)
Detector gasFlammable gases, oxygen gas, toxic and harmful gases

Response time

CO2 < 10 s

O2, flammable gases < 20 s

CO, H2S, SO2, NO, ClO2, NO2, H2 < 30 s

HCN, NH3, PH3 < 100 s

Gas DetectedO2 CH4 CO2 VOC CO H2S SO2 CL2 NO2 NH3
Detection principleElectrochemical principle (O2 CO H2S SO2 CL2 NO2 NH3) Infrared principle (CH4 CO) Photoionization principles (VOC)
Measurement RangeO2: 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
ResolutionO2: 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