Description Overview Are single channel wall-mounted gas detectors that can be used continuously in operating environment to detect the concentration of combustion gas, oxygen, and toxic gas It integrates gas detection and controller in one, sound and light alarm, with big 128 Pixel x 64 Pixel dot matrix LCD displays. Features Adopts advanced embedded micro controller (16 digit ultra-low power consumption) 128 Pixel x 64 Pixel dot matrix ultra-large LCD User can set the alarm level Displaying the time of first alarm Real-time clock Replaceable modularized sensor Automatic calibration function, reduce the measuring error Automatically save alarm data for 1000 articles Standby battery can work more than 100 hrs in the condition that do not alarm Standard signal 4 mA to 20 mA can be directly connected to factory’s DCS system RS 485 digital signal is connected to factory’s principal computer Technical Specifications Measuring Range 0 ppm to 50.0 ppm Deviation ≤±3% F.S Respond Time T90 <30 s Display Mode 128 Pixel x 64 Pixel dot matrix ultra-large LCD Alarm Level low and high alarm, Users can set it Alarm Output relay output, volume AC 220 V or 2 A Working Humidity <90% RH no condensation Working Voltage AC 220 V or 50 HZ Protection Class IP65 Working Temperature toxic gas -4 °F to 122 °F (-20 °C to 50 °C) combustible gas -40 °F to 158 °F (-40 °C to 70 °C) Weight 4.41 lb (2 kg)
