|
Portable Standoff Hazardous Gas Detector
- Based on near-IR tunable diode laser absorption spectroscopy (TDLAS)
- Senses target gas along path between transceiver and a surface up to 30 m (100 ft) distant
- No cross-species interferences
- Shoulder-mounted control unit; hand-held transceiver
- Total weight < 6 lb
- Eyesafe
- Battery-operated, > 8 hr between charges
Detection Limits for Some Gases
| Gas |
Detection Limit
(ppm-m) |
Gas |
Detection Limit
(ppm-m) |
| HF |
0.2 |
HCN |
1.0 |
| H2S |
20 |
CO |
40 |
| NH3 |
5.0 |
CO2 |
40 |
| H2O |
1.0 |
NO |
30 |
| CH4 |
1.0 |
NO2 |
0.2 |
| HCl |
0.15 |
O2 |
50 |
|
