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    Portable TVOC Gas Detector, 0 to 1/10/50/100/1000 ppm

    TVOC gas detector is a high precision VOC gas analyzer, easy to carry, explosion-proof. It's pump style with ten grades of pumping suction for options, has sound, light & vibrating alarm and also available for selectable ranges of 0 to 1 ppm, 0 to 10 ppm, 0 to 50 ppm, 0 to 100 ppm, 0-500ppm, 0 to 1000 ppm.
    Free shipping
    Delivery date: 6-12 days

    Portable TVOC Detector is used to monitor the TVOC concentration in environment and enclosed space and alarm, with high accuracy, wide measure range for selections, light weight, small size, and easy operation.


    • LCD dot matrix display, direct readout of gas type, unit, concentration, local time, etc.
    • Support English/Chinese operation, easy to shift.
    • Gas concentration unit PPM and mg/m3 can be shift quickly.
    • Built-in micro-sampling pump, 10 grades of suction are available.
    • Explosion-proof certification

    Gas Detector Functions

    • With self-calibration and zero calibration functions, makes the detection more accurate and reliable.
    • One key to restore factory setting, free from maloperation.
    • With temperature and pressure compensation, able to realize the compensation for the gas concentration under different temperature and pressure environments.
    • Two-stage alarm with sound and light, and alarm point is settable.
    • Rechargeable lithiumpolymer battery with large capacity.
    • High-strength special engineering plastic housing, with anti-slip, waterproof, dustproof and explosion-proof.

    TVOC Detector Specification

    Model ATO-SKY2000-TVOC
    Sampling Method Pump type, flow rate can be up to 1L/min, ten grades of pumping suction for selection.
    Gas Total Volatile Organic Compounds (TVOC)
    Range (Optional) 0 to 1 ppm, 0 to 10 ppm, 0 to 50 ppm, 0 to 100 ppm, 0 to 500 ppm, 0 to 1000 ppm
    Resolution 0.001ppm, 0.01ppm, 0.1ppm, or 1 ppm (related to the selected range)
    Accuracy ≤±3% F.S.
    Responce Time ≤10s
    Repeatability ≤±1%
    Recovery Time ≤10s
    Linearity Error ≤±1%
    Zero Shift ≤±1% (F.S./year)
    Signal Output (Optional Function) High speed data transmission by USB, available for data downloading and printing
    Alarms Sound, light and vibration
    Display LCD dot matrix display
    Language Chinese/English
    Battery 3.7V rechargeable lithium battery, with capacity of 1800mAh
    Operating Time 12h
    Explosion-proof Grade Exia ll CT4 Gb
    Protection Grade IP66
    Operating Temperature -40℃~70℃
    Operating Humidity 0~95%RH (non-condensing)
    Dimension 205*75*32mm
    Weight 300g

    Other Common Gases and Ranges for Pump-type Gas Detector

    Gas Range (Default) Range (Optional) Resolution
    Carbon Monoxide (CO) 0-1000ppm 0-50ppm, 0-100ppm, 0-500ppm, 0-1000ppm, 0-5000ppm 0.01ppm, 0.1ppm, 1ppm
    Hydrogen Sulfide (H2S) 0-100ppm 0-50ppm, 0-100ppm, 0-200ppm, 0-500ppm 0.01ppm, 0.1ppm, 1ppm
    Combustible/Flammable Gas (EX) 0-100%LEL 0-100%LEL 0.1%LEL
    Oxygen (O2) 0-30%Vol 0-25%Vol, 0-30%Vol 0.01%Vol
    Nitrogen (N2) 0-100%Vol 0-100%Vol 0.01%Vol
    Ammonia (NH3) 0-100ppm 0-50 ppm, 0-100 ppm, 0-500 ppm 0.01ppm, 0.1ppm, 1ppm
    Chlorine (Cl2) 0-10ppm 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm
    Hydrogen (H2) 0-1000ppm 0-500ppm, 0-1000ppm, 0-2000ppm 0.1ppm, 1ppm
    Formaldehyde (CH2O) 0-10ppm 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm, 1ppm
    Ozone (O3) 0-10ppm 0-1ppm,0-5ppm,0-10ppm,0-20ppm,0-50ppm,0-100ppm 0.001ppm, 0.01ppm, 0.1ppm, 1ppm
    Nitric Oxide (NO) 0-100ppm 0-100ppm, 0-250ppm, 0-500ppm, 0-1000ppm 0.01ppm, 0.1ppm, 1ppm
    Nitrogen dioxide (NO2) 0-20ppm 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm, 1ppm
    Sulfur Dioxide (SO2) 0-20ppm 0-10ppm, 0-20ppm, 0-100ppm 0.01ppm, 0.1ppm, 1ppm
    Ethylene Oxide (ETO) 0-10ppm 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm, 1ppm
    Hydrogen Chloride (HCL) 0-20ppm 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm
    Phosphine (PH3) 0-10ppm 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm 0.01ppm, 0.1ppm, 1ppm

    Note: Some common gases and the default ranges are listed in the above table, as well as the optional measuring range. If you have any requirements, please feel free to contact us.

    Tips: Troubleshooting pump suction gas detector - there is no detected gas in the air, but the value fluctuates sharply.

    1. Generally, it’s normal that the fluctuation range at zero point is less than 1% of the maximum range within a short time. And it is also thought to be normal that a long-time drift is less than 2% of the maximum range without the existence of tested gas. If it is beyond this range, it’s necessary to confirm whether there is detected gas on site, or the fluctuation of ambient temperature and humidity is too great to cause numerical instability. In general, great fluctuation of temperature and humidity can lead to the fluctuation of detected value in a short time. Once the temperature and humidity in the air are constant, the values are relatively stable.

    2. Check whether zero calibration or target point calibration has been made for the instrument. If zero calibration is made on the occasion where the detected gas exists, the detector may not monitor the low-concentration gas. If target point calibration is made on the occasion where the detected gas exists and actually the calibrated concentration is not consistent with the actual concentration, the fluctuation of instrument value may be large or detected value may be smaller. The two cases can be solved by resuming the factory setting.

    3. If the problem can’t be solved still, you need to verify whether a high concentration gas impacts the instrument. If it does, power on the instrument for 24 hours. If the value is still unstable, the sensor has been damaged.

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