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    Smoke Gas Sensor, 200ppm to 10000ppm

    Semiconductor gas sensor can detect Propane (C3H8) and smoke at the same time, good sensitivity to LPG, smoke range 200ppm to 10000ppm, long service life and simple circuit. Cheap smoke gas sensor is suitable for use in household smoke leak alarms, industrial smoke gas alarms and portable smoke detectors.
    This product has a minimum quantity of 2
    30-day Returns
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    Delivery date: 6-12 days

    Low price gas sensor can monitor Propane (C3H8) and smoke simultaneously, is highly sensitive to liquefied petroleum gas (LPG), and can operate in smoke concentrations ranging from 200ppm to 10,000ppm. 


    Model ATO-MP-2
    Product Type Semiconductor Gas Sensor
    Standard Package Metal Cap
    Detect Gas Propane, Smoke
    Detection Concentration 200~10000ppm C3H3
    Standard Circuit Conditions Loop Voltage VC ≤10V DC
    Heating Voltage VH 5.0V±0.1V AC or DC
    Load Resistance RL Adjustable
    Gas Sensor Characteristics Under Standard Test Conditions Heating Resistor RH 105±10Ω (Room Temperature)
    Heating Power Consumption PH ≤240mW
    Sensitivity S RS(in air)/RS (in 2000ppm C3H3)≥3
    Output Voltage VS 2.5V~4. 0V (in 2000ppm C3H3)
    Concentration Slope α ≤0. 6 (R300ppm/R500ppm C3H3)
    Standard Test Conditions Working Humidity -10~50℃
    Storage Humidity -10~70℃
    Preheat Time Not Less Than 48h
    Oxygen Concentration 21% (Not less than 18%. Changes in oxygen concentration affect sensor sensitivity characteristics.)
    Life 10 Years

    Structural Diagram

    Smokel gas sensor structural diagram

    Circuit Diagram

    Smoke gas sensor circuit diagram

    Tips: What is a smoke gas sensor?

    A smoke gas sensor is a device designed to detect the presence of smoke or combustion gases in the air. Its primary function is to monitor indoor or outdoor environments for potential fire hazards and provide an early warning system to prevent or mitigate the risks associated with fires. These sensors are crucial components in various safety systems, including fire alarms and security systems.

    The sensor operates on the principle of detecting particles or gases produced during combustion. There are different types of smoke gas sensors, including ionization and photoelectric sensors. Ionization sensors work by ionizing air particles, while photoelectric sensors use light beams to detect smoke particles. Some advanced smoke sensors combine both technologies for enhanced accuracy and reliability.

    In the event of a fire, the sensor triggers an alarm or alert, notifying occupants and relevant authorities about the potential danger. Smoke gas sensors are commonly found in residential buildings, commercial spaces, and industrial facilities, providing an essential layer of protection against the destructive consequences of fires. Regular maintenance and testing of these sensors are crucial to ensure their effectiveness in safeguarding lives and property.

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