| Sensor technology |
NDIR |
| Gas sampling method |
Diffusion |
| Gas |
Acetylene |
| Sensor housing |
Stainless Steel Body material for Indoor use (buy the optional accessory rain-guard for outdoor installation |
| Sensing range |
0 - 100% LEL (0 - 2.5 % vol.) |
| Maximum response time (T90) |
<40 s |
| Maximum deviation from linearity |
±0.1% vol. |
| Maximum variation of zero from −20 to +55 °C |
±30 ppm/°C |
| Resolution |
0.1% LEL |
| Maximum non-reproducibility of zero at 20 °C |
±500 ppm |
| Maximum non-reproducibility of sensitivity at 20 °C |
<±1000 ppm |
| Long-term zero drift/month |
±500 ppm |
| MTBF (lamp dependent only) |
>10 years for 5 V operation |
| Ambient humidity |
0-95% RH (Non-condensing) |
| Temperature |
From -20 to 60 °C |
| Sensor lifetime |
10 years |
| Calibration interval |
Recommend recalibrating zero and span at least every 30 months |
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