الوصف

Operating & Storage Environment Temperature: **0�~*0� (*4F~**2F) Humidity: 5%**5% (Relative humidity non-condensing) Pressure: *5~**0kPa Alarm Threshold (Two-stage) There may be regional variations, users can set up the value based on the practical situation. Detecting Range CO:0~**0 PPM H2S/SO2:0~**0 PPM O2: 0~*0% (steadily increasing with increment of 0.1%) Combustible GasCan be set up based on user�s need (0~**0%LEL or 0~5.0% v/v methane) Transducer H2S / CO: two in one plug-in electrochemical battery O2 / SO2 / H2S / CO: single plug-in electrochemical battery Combustible gas: plug-in catalytic combustion transducer Oxygen detection principle: capillary controlling concentration transducer Alarm Type TWA alarm, STEL alarm, low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm Acoustic Alarm Variable-frequency pulse alarm which can reach volume of *5dB in a distance of 1 foot (0.3 meters) Visual Alarm Two red LBD omnibearing visible glitter alarm Vibration Alarm Pulsant signals alert the gas alarm or any other alarm status Display Alphanumeric large LCD displays the real time gas concentration and alarm stage Backlight Automatically activated when working in poor lighting environment or the alarm sounding or the is knobbed down. Self-checking Function Self-checking after start up. Calibration Function Automatic zero point calibration