Methane (CH4) and Combustible Gas Sensor probe [Calibrated]
![Methane (CH4) and Combustible Gas Sensor probe [Calibrated]](https://www.mgsuperlabs.co.in/estore/image/cache/data/Cooking Hacks/CH-9379-P/img1-500x500.jpg "Methane (CH4) and Combustible Gas Sensor probe [Calibrated]")
Specifications
Main gas: Methane CH4
Sensor: CH-A3
Performance Characteristics
Nominal Range: 0 to 100% LEL methane
Long Term Output Drift: < 2% signal/month
Response Time (T90): ≤ 30 seconds
Accuracy: as good as ±0.15% LEL* (ideal conditions)
Operation Conditions
Temperature Range: -40 ºC to 55 ºC
Expected Operating Life: 2 years in air
Inhibition/Poisoning
|
Gas |
Conditions |
Effect |
|
Chlorine |
12 hrs 20 ppm Cl2, 50% sensitivity loss, 2 day recovery |
< 10% loss |
|
Hydrogen Sulfide |
12 hrs 40 ppm H2S, 50% sensitivity loss, 2 day recovery |
< 50% loss |
|
HMDS |
9 hrs @ 10 ppm HMDS |
50% activity loss |
Average consumption: 68 mA
Note: The Methane (CH4) and Combustible Gas Sensor and the CO2 Sensor have high power requirements and cannot work together in the same Gases PRO Sensor Board. The user must choose one or the other, but not both.
* Accuracy values are only given for the optimum case.
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