▲ The concentration of hydrogen, combustible gas, carbon monoxide and hydrogen sulfide in the air can be detected on the spot in real time. The large LCD screen displays four kinds of gas detection concentrations at the same time; automatic calibration and zeroing, and automatic backlight in low light / alarm.
▲ Alarm: three methods of sound, light and vibration
▲ Working humidity: -20— + 50 ℃
▲ Working temperature: 5% -95% RH (non-condensing)
▲ Battery working time: 16-18 hours
▲ Size: 60x100x33mm; Weight: 211 grams