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    Fixed Hydrogen Cyanide (HCN) Gas Detector, 0 to 10/20/50/100 ppm

    Low price HCN hydrogen cyanide fixed gas detector, 0 to 10/20/50/100 ppm, with alarm light is a kind of monitoring gas concentration in different kinds of situations or pipelines 24h continuously wall mounted type gas detector. Powered by 24V DC, with 4-20mA, RS485, relay signal output.
    SKU: GD300-HCN
    Free Shipping Worldwide
    Delivery date: 6-12 days

    ATO fixed HCN hydrogen cyanide gas detector uses high quality sensors, and advanced micro-process technology, with data display and high/low alarm, fast response, high precision and good stability. Explosion proof, suitable for different kinds of situations.


    • Model: GD300-HCN
    • Detected Gas: HCN Hydrogen Cyanide
    • Measure Range: 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm
    • Install Method: Wall-mounted, piping type, flow-type
    • Output Signal (Optional): 4-20mA, 1-5V, 2-10V, RS485, RS232, relays
    • Precision: ≤±3%F.S. (higher precision is available)
    • Zero shift: ≤±1%(F.S./year)
    • Display: 4 digits Nixie tube display.
    • Connection mode: G1/2 external thread explosion-proof flexible pipe
    • Thread Size: M45*2mm
    • Temperature: -20℃ ~ 50℃
    • Humidity: 0-95%RH (non-condensing)
    • Explosion-Proof: Ex dⅡCT6
    • Degree of Protection: IP65
    • Alarm Mode: Sound, light
    • Material: Case: Die-cast aluminum, Sensor housing: aluminum alloy or 316 stainless steel
    • Power: 12-36V DC
    • Dimensions: 180×150×90mm
    • Weight: 1.6kg
    • Approval: CE, CNEX explosion proof certificate, CMC (China Metrology Certification)
    • Power adapter: Input 100-240VAC 50/60Hz, Output 24VDC 1A (Optional USA plug, Europe plug, UK plug)
    • Warranty: 12 months


    • The output signal 4-20mA and RS485 CANNOT be used at the same time.
    • To measure confined spaces such as pipelines, please contact us and inform the detailed conditions of use.


    Fixed Hydrogen Cyanide (HCN) Gas Detector Details


    Online monitoring with sound/light alarm

    • 24h continuously monitoring, data will real-time display.
    • High/low alarm with sound and light, sound >90dB, alarm point is settable.

    Non-contacted control the device

    • With infrared ray controller, which can remote control alarm point settings, zero calibration, and address modification.

    Iversified output signals

    • 4-20mA current signal output, compatible with different kinds of controllers.
    • RS485 digital signal output.
    • Relay signal output, to turn on/off ventilator, generators or other external devices.

    Variety of installation methods

    • Wall mounted type, installed on the wall directly, real time monitoring.
    • Piping type, installed on the pipeline, monitoring the gas concentration inside.
    • Flow type, connected with external sampling pump and tube, measure the gas concentration in enclosed space.

    Data transmission

    • Can be installed with computer software, to transmit the data to computer, workers can remote monitor the data.

    High quality case

    • Die-cast aluminum case, strong and durable; Stainless steel case is available for choose, meeting the demand of different situations.
    • IP65 protection degree, water-proof, dust-proof, explosion-proof


    Applications of Portable Multi Gas Detector

    Tips: What industries can gas detectors be used for?

    • Oil and gas: It can be used in oil and gas application sites and various industrial activity sites. When oil and gas are extracted, transported, stored and smelted, there will be flammable hydrocarbon gases with explosion risks and toxic gases such as hydrogen sulfide. Therefore, gas detector is an important instrument for exploration of drilling channels, as well as oil and gas terminals and smelters.
    • Semiconductor production: In semiconductor production, phosphorus, arsenic, boron and gallium are often used as additives, and hydrogen is used as a carrier gas for reactants and reducing air. At the same time, the use of many highly toxic substances and flammable gases produces many Combustible and toxic gases make gas detectors an indispensable instrument.
    • Wastewater treatment: Due to poor governance, sewage wastewater is very common in many cities and towns, and harmful gases such as methane and hydrogen sulfide are naturally emitted from sewage and wastewater, and the smell is pungent, so gas purifiers can come in handy here. .
    • Hospital: There will be many toxic substances in medical laboratories and medical waste gas, and in large-scale hospitals, on-site equipment power supplies and backup power stations will be used, so gas detection equipment is required to ensure the safety and health of patients and doctors.
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