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  1. Structure and configuration of MQ-2 gas sensor is shown as Fig. 1 (Configuration A or B), sensor composed by micro AL2O3 ceramic tube, Tin Dioxide (SnO2) sensitive layer, measuring electrode and heater are fixed into a Parts Materials 1 Gas sensing layer SnO2 2 Electrode Au 3 Electrode line Pt 4 Heater coil Ni-Cr alloy
  2. Structure and configuration of MQ-2 gas sensor is shown as Fig. 3, sensor composed by micro AL2O3 ceramic tube, Tin Dioxide (SnO2) sensitive layer, measuring electrode and heater are fixed into a crust made by plastic and stainless steel net. The heater provides necessary work conditions for work of sensitive components.
  3. winsen-sensor.com

    MQ-2 gas sensor has high sensitivity to propane and smoke, also can detect the natural gas and other It is with low cost and suitable for different applications of detecting kinds of flammable gases. Features It has good sensitivity to propane, smoke &etc in wide range, and has advantages such as long lifespan,
  4. handsontec.com

    MQ2 Gas Sensor Module . This Analog Smoke/LPG/CO Gas Sensor module utilizes MQ-2 as the gas detecting component and has a protection resistor and an adjustable resistor on board. MQ2 Gas Sensor module is useful for gas leakage detecting in home and industry. It can detect LPG, i-butane, methane, alcohol, Hydrogenand sm oke. Based
  5. docs.particle.io

    Grove - Gas Sensor (MQ2) User Manual ... The Grove - Gas Sensor(MQ2) module is useful for gas leakage detecting(in home and industry). It can detect H2, LPG, CH4, CO, Alcohol, Smoke, Propane. Based on its fast response time. ... information about the MQ-2 sensor please refer to the datasheet. 7 How to use
  6. MQ-2 gas sensor applies SnO2 which has a lower conductivity in the clear air as a gas-sensing material. In an atmosphere where there may be inflammable gases, the conductivity of the gas sensor raises along with the inflammable gas concentration increases. MQ-2 performs a good detection to different inflammable gases such as natural gas, especially
  7. gas-sensor.ru

    Structure and configuration of MQ-2 gas sensor is shown as Fig. 1 (Configuration A or B), sensor composed by micro AL2O3 ceramic tube, Tin Dioxide (SnO2) sensitive layer, measuring electrode and heater are fixed into a Parts Materials 1 Gas sensing layer SnO2 2 Electrode Au 3 Electrode line Pt 4 Heater coil Ni-Cr alloy
  8. digilib.unila.ac.id

    uses the MQ-2 sensor, where if there is a gas leak, the MQ-2 sensor will provide a danger notification via a buzzer, LCD, LED, SMS and Telegram to the user's mobile device. This tool uses the Arduino Uno microcontroller as a controller. The tool that has been made works automatically. If there is a gas leak, the
  9. cdn.sparkfun.com

    Sensitive material of MQ-2 gas sensor is SnO 2, which with lower conductivity in clean air. When the target flammable gas exist, the sensor's conductivity gets higher along with the gas concentration rising. Users can convert the change of conductivity to correspond output signal of gas concentration through a simple circuit. MQ-2 gas sensor ...
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