Description
Infrared gas sensor using dual beam technology, with measurement and reference channel, for the use in process control systems in biogas applications. Integrated evaluation electronics for drift and temperature compensation. Optimized gas-calibration for measuring methane and carbon dioxide in biogas. Robust aluminum cuvette with gas line connector.
- Non Dispersive Infra-Red (NDIR), dual wavelength
- Flow rate: 0.2 to 0.8 l/min (constant)
- Warm-up time: < 2 minutes (start up time), < 30 minutes (full specification)
- Response time (t90): Appr. 15 s (@ 0.5 l/min)
- Detection Limit (3 s): < 1.5 % FS (typically)
- Linearity error (4): < ± 2 % FS
- Operating temperature: -20 °C to 40 °C
- Air pressure: 800 to 1200 hPa
- Digital output signal: Modbus ASCII via UART
- Also available with a wider supply voltage range of 12 – 28V DC, analog signal output 0 (4) – 20 mA and digital output RS 485.
| available gas | range |
| CO2, ref. F1-214507-00900 | 0 – 50 % vol |
| CO2, ref. F1-214108-00900 | 0 – 100 % vol |
| CH4, ref. F1-043507-00900 | 0 – 50 % vol |
| CH4, ref. F1-043108-00900 | 0 – 100 % vol |
