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    Fixed Chlorine (CL2) Gas Detector, 0 to 10/50/100ppm

    Specially price chlorine (CL2) fixed gas detector that provides unparalleled chlorine gas concentration measurement to ensure users a safe working environment. Acoustic and electric gas alarm, second-level response, immediate alarm, selected materials, can measure 0-10, 0-20, 0-50, 0-100ppm, and can operate for a long time under harsh conditions.
    SKU: GD300-CL2
    Free Shipping Worldwide
    Delivery date: 6-12 days

    ATO chlorine (CL2) fixed gas detector adopts high-quality gas sensors and advanced micro-processing technology, with data display and acoustic and electrical alarms, fast response, high precision, and high stability. The gas leak detector can continuously monitor various occasions 24 hours a day, with 4-20mA, RS485, and relay signal output.


    • Model: GD300-CL2
    • Detected Gas: CL2 Chlorine
    • Measure Range: 0-50ppm, 0-100ppm, 0-500ppm, 0-1000ppm, 0-2000ppm
    • 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)
    • 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 Ethylene (C2H4) 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: Troubleshooting Fixed Chlorine (CL2) Gas Detectors

    1. Unable to Turn on or Have No Display: First, make sure the gas leak detector power connection is normal, then check the power switch and power cord. If the problem persists, the battery may need to be replaced or the supply voltage checked.
    2. Inaccurate Measurements: If you suspect inaccurate measurements, you can first perform a calibration to ensure the gas detector is in the correct working order. Also, check to see if the gas detector sensor needs replacing or cleaning to make sure it's working properly.
    3. Alarm Unresponsive: If the gas leak detector is not responding to gas alarms, check that the alarm is in silent mode and make sure the alarm is set correctly. Also, check to see if the gas alarm is damaged or needs to be replaced.
    4. Unable to Connect to the Gas Monitor System: If the gas meter cannot connect to the monitoring system, check whether the communication lines and interfaces are normal. Make sure the connection lines are not disconnected or damaged.
    5. Continuous Alarm or False Positive Alarm: If the gas monitor emits a continuous gas alarm or false positive alarm, check whether the Cl2 concentration in the environment is really above the alarm threshold. Also, check the status and performance of the gas sensor, which may need to be calibrated or replaced.
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