Chang AI CI-XT683 On-line explosion-proof biogas analysis system (0~25.00% O2, 0~99.9% CH4, 0~99.9% CO2, 0~10000ppm H2S)

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