Description Overview GAOTek multi-gas detector – automatic battery detection can detect the content of 4 gases (oxygen,carbon monoxide, hydrogen sulfide and methane) together. It will alarm immediately when the concentration of gas reaches or exceeds the preset alarm point. Features Real-time detection of oxygen, carbon monoxide, hydrogen sulfide and methane True-color lattice TFT screen displays gas concentration Automatic battery detection and under-voltage indication. Alarm with LED, buzzer,earphone(optional) and vibration Brightness of back light can be set according to practical need to save power Storage of historical data and alarm events NDIR printer can print real-time concentration data(optional) Gas pump realizes detection by pumping(optional) Calibration and set of detector through PC Technical Specifications Humidity 10 % RH to 95 % RH O2 Range 0 % VOL to 25 % VOL Accuracy < 5 % (VOL) Minimum reading 1 % VOL Response time < 30 sec CH4 Range 0 % LEL to 100 % LEL Accuracy < 5 % (F.S) Minimum reading 0.1 % LEL Response time < 30 sec CO Range 0 ppm to 999 ppm Accuracy < 5 % (F.S) Minimum reading 1 ppm Response time < 30 sec H2S Range 0 ppm to 100 ppm Accuracy < 5 % (F.S) Minimum reading 0.1 ppm Response time < 30 sec Pressure 0.9 to 1.1 standard atmospheric pressure Charging Time Charging Time Working Time of Battery > 8 h (non alarm state) Length of Pump Pipe < 1 meter Power supply lithium battery Explosion-proof Grade Exia Ⅱ CT3 Dimensions 3.34 in x 6.02 in x 1.96 in (8.5 cm x 15.3 cm x 5.0 cm) Temperature – 4 °F to 122 °F (- 20 °C to 50 °C) Weight 10.58 oz (300 g)
