Laser Gas Detector Modules
Gas Type - NH3, CH4 or CO2
Principle of detection - Tunable Diode Laser Spectrometry (TDLS)
Minimum ranges:     NH3: 0 – 100 ppm (and higher, std. max: 1’000)
                                     CH4: 0 – 100 ppm (and higher, std. max: 40’000)
                                     CO2: 0 – 1’000 ppm (and higher, std. max. 300’000)