CROWCON - Gasman Gas Detector NH3
Brand: Crowcon
Model: Gasman
Specification (Typical ranges and alarms):
| Gas | Range | Standard Alarm (UK) |
| Carbon monoxide (H2 filtered) | 0-500ppm | 30ppm |
| Ammonia (NH3) | 0-100ppm | 25ppm |
| Carbon monoxide (CO) | 0-500ppm | 30ppm |
| Carbon dioxide (CO2) | 0-5% | 0-5% |
| Chlorine (CL2) | 0-20ppm | 0.5ppm |
| Flammable | 0-100% LEL | 20% LEL |
| Fluorine (F2) | 0-1ppm | 0.1ppm |
| Hydrogen (H2) | 0-2000ppm | N/A |
| Hydrogen cyanide (HCN) | 0-25ppm | 5ppm |
| Hydrogen fluoride (HF) | 0-10 ppm | 1ppm |
| Hydrogen sulphide (H2S) | 0-100 ppm | 5ppm |
| Nitric oxide (NO) | 0-100 ppm | 25ppm |
| Nitrogen dioxide (NO2) | 0-20 ppm | 1ppm |
| Oxygen (O2) | 0-25% | 19/23% |
| Ozone (O3) | 0-1 ppm | 0.1ppm |
| Phosphine (PH3) | 0-5 ppm | 0.2ppm |
| Phosgene (CCL2) | 0-1 ppm | 0.1ppm |
| Sulphur dioxide (SO2) | 0-20 ppm | 1ppm |
Malaysia
