| Gases Detected |
Hydrogen gas at 2.0 V Most combustible gases at 2.7V |
|---|---|
| Detection Method | Catalytic |
| Range | 0 ~ 100% LEL |
| Operating Voltage |
2.0Vdc : Hydrogen gas 2.7Vdc : CH4 gas |
| Current | 75 ± 5mA at 2.7V |
| Output Sensitivity |
CH4 : 44 ± 6 mV in 20%LEL% CH4 at 2.7V H2 : 68 ± 6 mV in 20%LEL% H2 at 2.7V H2 : 64 ± 6 mV in 20%LEL% H2 at 2.0V |
| Zero Offset Voltage | -50 ~ 20 mV (23 ± 2℃, 60% RH) |
| Linear to | 3% CH4, 3% H2 |
| T90 Response Time | < 10 seconds (methane) |
| Long Term Sensitivity Drift | < 1% signal / month |
| Long Term Zero Drift | < 1% LEL (methane) / month |
| Warranty Period | 1 year from date of despatch (in clean air) |
* Flow rate of 300ml/min. Conditions at 23 ± 2 ℃, 60% RH, and 1 atm unless otherwise noted.
