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

Measurement principle	Non-dispersive infrared (NDIR)
Gas Detected	SF6: 0 to 50 ppm range/ 0 to 1000 ppm range (as per req.)
Detection Uncertainty	<1.5 % F.S

Temperature Measurement Range	-10℃ to 60℃
Temperature Resolution	0.1°C
Temperature Accuracy	± 1.5℃

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

Ozone measurement range	0 ppm ∼ 5 ppm, 0 ppm ∼ 100 ppm, 0 ppm ∼ 300 ppm, 0 ppm ∼ 600 ppm ( Optional )
Flow rate	1.5 L/min
Accuracy	0.01 ppm or 3 % of reading

Sampling Method

Diffusion

Working conditions

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

Explosion proof grade

Exia II CT3

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

Gas detected	Sulfur dioxide SO₂
Detection principle	Electrochemistry
Sampling method	Pumping suction, flow rate can up to 1L/min, ten grades of pumping suction for selection.

Gas detected	NO₂
Detection principle	Electrochemistry
Sampling method	Pumping suction, flow rate can up to 1L/min, ten grades of pumping suction for selection.

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 %

Environmental Monitoring Equipments

Digital Differential Pressure Meter