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    Portable Sulfur Dioxide (SO2) Gas Detector, 0 to 20/100/500/1000 ppm

    ATO low price SO2 sulfur dioxide gas detector is kind of mini size and high accuracy portable gas detector. Easy to operate, comprehensive functions, can measure sulfur dioxide gas, measure range from 0 to 20/50/100/500/1000 ppm. The handheld SO2 gas detector is with back clip, protected by silicone case, suitable for different kinds of situations.
    SKU: GD200-SO2
    30-day Returns
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    Delivery date: 6-12 days

    Portable gas detector provides SO2 sulfur dioxide gas monitoring with high accuracy sensor, LCD display, easy readout, small & portable design, convenient to carry.


    • Model: GD200-SO2
    • Gas: SO2 Sulfur Dioxide
    • Data Logging (Optional): Data logging with adjustable interval, and available for data downloading to PC through USB cable.
    • Measure Range (Optional): 0-20ppm, 0-50ppm, 0-100ppm, 0-500ppm, 0-1000ppm
    • Resolution: 0.01ppm (0-20/50ppm), 0.1ppm (0-100ppm), 1ppm (0-500/1000ppm)
    • Precision: ≤±3%F.S. (higher precision is available)
    • Zero Shift: ≤±1%(F.S./year)
    • Display: LCD dot matrix display, with display of gas type, real time gas concentration, gas unit.
    • Backlight: Time of backlight is settable, when alarm the backlight will be auto on.
    • Temperature: -20℃~50℃
    • Humidity: 0-95%RH (non-condensing)
    • Explosion-Proof: ExiallCT3
    • Degree of Protection: IP65
    • Alarm: Sound: 85dB, Light: LED, low alarm: blue, high alarm: red (Alarm point is settable according to customer requirement.)
    • Battery: 3.6V 2300mAh lithium polymer rechargeable battery, for toxic gas: 14h continuously, for combustible gas: 10 h continuously, charging time: 4-6h
    • Dimension: 131x83x35mm
    • Weight: 240g
    • Approval: CE, CNEX explosion proof certificate, CMC (China Metrology Certification)
    • Warranty: 12 months


    Portable Sulfur Dioxide (SO2) Gas Detector Details


    High accuracy & Reliable

    • Diffusion type, can add external sampling pump, meet the demand of different situation.
    • Using world first brand sensors, high precision, the detection result is approved by the third testing organization.

    Mini size, protected by case

    • Mini size, can be clipped on the belt or helmet.
    • Protected by silicone case, drop tested to 4m, water-proof, dust-proof, explosion-proof.

    Comprehensive functions

    • gas concentration unit PPM and mg/m3 can be shifted by one press.
    • With Self-calibration and zero calibration functions, making the detection more accurate and reliable.
    • One press to restore factory setting, free from the bother of mis-operation.
    • One press to check the battery and voltage.

    Long operation time

    • High capacity of lithium polymer rechargeable battery, for toxic gas: 14h continuously. For combustible gas: 10 h continuously.

    Data storage

    • Can record 100 sets alarm data, alarm record can be checked on the device.
    • Can record 100000 sets detected data and 10000 sets alarm data, historical data can be checked on the device.

    Alarm mode

    • Alarm with light, sound and vibration, the alarm sound can be turned on or off.
    • Alarm point is settable according to the specific requirements.


    Applications of Portable Multi Gas Detector

    Tips: Why do you need ATO portable sulfur dioxide (SO2) gas detector?

    Sulfur dioxide is a colorless, pungent odor toxic gas. In a sealed place where sulfur dioxide may exist, the concentration must be detected by an SO2 gas detector to ensure safety before entering the operation. ATO sulfur dioxide gas detector adopts special electrochemical sensor and natural diffusion detection principle to realize the start-up detection, concentration display and sound, light and vibration alarm reminder of sulfur dioxide gas when the concentration exceeds the standard.

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