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Oxygen (O2) detection: Electrochemical oxygen sensor
Scope of measurement: 0~25.00% O2
Accuracy: ±2%FS
Repeatability: ±1%FS
Stability: ±1%FS/7d
Response time: T90<60s
Methane (CH4) detection: NDIR Non-dispersive Infrared (Double Beam) Measurement
Scope of measurement: 0~99.9% CH4
Accuracy: ±2%FS
Repeatability: ±1%FS
Stability: ±1%FS/7d
Response time: T90<15s
Carbon dioxide (CO2) detection: NDIR Non-dispersive Infrared (Double Beam) Measurement
Scope of measurement: 0~99.9% CO2
Accuracy: ±2%FS
Repeatability: ±1%FS
Stability: ±1%FS/7d
Response time: T90<15s
Hydrogen sulfide (H2S) detection: Electrochemical hydrogen sulfide sensor
Scope of measurement: 0~10000ppm H2S
Accuracy: ±2%FS
Repeatability: ±1%FS
Stability: ±1%FS/7d
Response time: T90<60s
Analyzer:
Analog output signal: Four groups (corresponding to the concentration of 2,CH4,CO2,H2S) can set the output mode freely.
4-20mA/0-20mA/0-1V/0-5V/0-10V/1-5V
Alarm output: Four groups (for concentration alarm of O2,CH4,CO2 and H2S respectively),
Relay contact capacity: 24VDC,0.2A;
Communication: RS485(Standard Matching)/RS232(Optional Matching)
Environmental temperature: 0-45°C; Environmental Humidity: Less than 80% RH
Intake pressure: Atmospheric pressure±10% (outlet should be atmospheric pressure)
Explosion-proof grade: Exd II CT6
