GQB-200A4D

Fixed toxic gas detectors

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  • Overview
  • Parameters
  • Key Features
  • Applications

    Type of sensor:Electrochemical sensor

    Detection gas:Toxic gases and Oxygen

    Toxic gases and Oxygen:DC24V±5V

    Power consumption:1.5W

    Working current:<150mA

    Signal output:4-20mA (3-wired system), RS485 (4-wired system), Hart (optional)

    Display:4+4 digits LED display; 3-colors LED indication lights

    Relay output:30VDC/1A

    Detection range:0-9999ppm;  0-30%vol(O2)

    Response time:30~60S

    Detection precision:±3% FS

    Zero drift:2%FS per year

    Lifetime:> 2years

    Enable applied areas:zone I&II hazardous locations of explosion-proof gases

    Relative humidity:10~95%RH ( no condensation)

    Operating temperature:-40ºC~ +50ºC

    Transmission cable:3 core shielding line with 1~1. 5mm2 diameter

    Electrical equipment connector:M20*1.5 (cast Al);  G3/4”(stainless steel)

    Explosion-proof grade:ExdibIICT6Gb

    Protection grade:IP65

    Size:(145wX215hX95d)mm

    Weight:2.0kg(cast Al); 4kg(stainless steel)

    Sensor replacement:Plug and play

     

    >high bright LED display screen; clearly seen from 10 meters in night.

    >Sensor imported with original packaging.

    >Double windows and 4+4 digits LED display.

    >Material is aluminium magnesium alloy or stainless steel material.

    >Smart sensor with 3 in 1 function of weather-proof cover and calibration cover and sensor cover and no need re-calibration when replacing the new sensor.

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