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KQ500D intelligent gas detector,gas transmitter, for flammable gas and toxic gas

Categories fixed gas detector
Place of Origin: china
Brand Name: inte
Model Number: KQ500D
Certification: ISO9001,
Price: EXW
Packaging Details: box
Delivery Time: a week
Payment Terms: TT
Supply Ability: 1000UNIT/WEEK
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    KQ500D intelligent gas detector,gas transmitter, for flammable gas and toxic gas

    KQ500D intelligent gas detector is a kind of wall-mounted type detector that can be used continuously in operation environment to detect the concentration of combustion gas, oxygen, and toxic gas. The detector detects gas concentration in natural diffusion way.
    KQ500D intelligent gas detector transforms the gas density in the operating site into standard electric current signal(4-20mA). With LED display, detector's sensor can be changed and reused as soon as it is connected to electricity.

    Main features:

    1. Standard 4-20mA electric current output, compatible with existing alarm control unit or DSC (distributed control system).
    2. LED site display that is suitable for factory (optional LCD display)
    3. Standard three buttons: so an individual can operate the detector in site.
    4. Automatic identify and display the sensor failures, and output the corresponded current signal at the same time.
    5. The key operation needs to input password to prevent wrong operation.
    6. Simple calibration function; reducing measuring error
    7. Two levels' light alarm, relay output (connected with audible and visual alarm outside or start the exhaust system)

    Technical Parameters:

    Detecting Gas

    combustible gas, toxic gas, oxygen

    Measuring Range

    see the chart

    Working Voltage


    Signal output

    4~20mA linear current output;

    or RS485 signal output (optional)


    ≤± 3% F.S

    Respond Time

    T90 <;; 30 s

    Recovering time

    ≤ 30 s

    Display model

    LED display (optional:LCD display)

    Working Temperature

    toxic gas: - 30 ℃ ~ + 50 ℃

    Combustible gas: - 40 ℃ ~ + 70 ℃

    Working Humidity

    10-95% R.H.(no condensation)

    Explosion-proof level

    Exd IICT6(used for explosion proofing detector);

    ExiaIICT4(used for intrinsic safety type detector)

    Protection Class


    Transition cable

    three core shield cable RVVP 3×1.5mm2; 4×1.5mm2

    Transmission distance



    about 1.5kg

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