Measuring instruments, Testers
Local-area network testers, Communication line testers, Related products
Field testers, Related products
Thermometers, Thermohygrometers, Anemometers
Atmosphere analysers, Gas analysers
Water quality measuring instrument, Analysers
Other instruments, tools


| Objective Detection Gas | Oxygen | Hydrogen Sulfide | 
| Gas Ventilation Method | Diffusion formulation | |
| Detection Principle | Galvanic battery method | Fixed potential electrolysis | 
| Detection Range (Service Range)  | 
0~25Vol.% (25~50Vol.%) | 0~30.0ppm (30.1~100ppm | 
| Alarm | 2 steps (19.5/18.0Vol.%) | 2 steps (10.0/15.0ppm) | 
| Response Time | within 20 sec | within 30 sec | 
| Power Supply | AAA size alkaline battery×1 | |
| Dimension | W65×H64×D22mm | |
| Weight | 75g | |
| Accessory | Safety pin adapter | |