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MQ138 Organic Vapor Sensor Conductivity In Clean Air

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    Buy cheap MQ138 Organic Vapor Sensor Conductivity In Clean Air from wholesalers
     
    Buy cheap MQ138 Organic Vapor Sensor Conductivity In Clean Air from wholesalers
    • Buy cheap MQ138 Organic Vapor Sensor Conductivity In Clean Air from wholesalers
    • Buy cheap MQ138 Organic Vapor Sensor Conductivity In Clean Air from wholesalers

    MQ138 Organic Vapor Sensor Conductivity In Clean Air

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    Brand Name : Winsen
    Model Number : MQ138
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 10000pcs/Month
    Delivery Time : 3-5Workingdays
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    MQ138 Organic Vapor Sensor Conductivity In Clean Air

    MQ138 Organic Vapor Sensor Conductivity In Clean Air


    The gas sensing material used in the MQ138 gas sensor is tin dioxide (SnO2), which has a low conductivity in clean air. When there is organic vapor in the environment where the sensor is located, the conductivity of the sensor increases with the increase of the organic vapor concentration in the air. The change in conductivity can be converted into an output signal corresponding to the gas concentration using a simple circuit. The MQ138 gas sensor has high sensitivity to toluene, acetone, ethanol, formaldehyde, and is ideal for monitoring hydrogen and other organic vapors. This sensor can detect a variety of organic vapors and is a low-cost sensor suitable for a variety of applications.


    Specification Sheet:

    Loop voltageVc 5.0V±0.1V DC
    Heating voltageVH 5.0V±0.1V AC or DC
    Load resistance eRL adjustabl
    Heating resistanceRH 30Ω±3Ω (room temperature)
    Heating power consumptionPH ≤950mW
    SensitivityRs(in air)/Rs(in 50ppm toluene)≥2
    Output voltage△Vs 0.5V (in 50ppm toluene)

    MQ138 Organic Vapor Sensor Conductivity In Clean Air


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