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$ 11.24

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From Guam

2 Pack MQ-4 Sensor

4.7
0 ratings
Product ID: 205135598
Brand:
huaban
1
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About the item

  • MQ-4 Sensor.
  • Input Voltage : DC5V & Power consumption ( current ): 150mA & DO output: TTL digital 0 and 1 ( 0.1 and 5V) & AO output:0.1-0 .3 V ( relative to ) , the maximum concentration of a voltage of about 4V.
  • Special note: After the sensor is powered , needs to warm up around 20S, measured data was stable , heat sensor is a normal phenomenon , because the internal heating wire , if hot is not normal ..
  • Size: 32(L)x20(W)x22(H)mm/1.26"x0.79"x0.76".
  • Package Include: 2PCS MQ-4 Sensor Module.
MQ-4 sensor sensitive material used in clean air conductivity is lower tin dioxide (SnO2). When the sensor is present in the environment in which the combustible , the sensor's conductivity increases with the concentration of combustible es in air increases. Using a simple circuit can be converted to the change in conductivity of the concentration with the corresponding output signal. MQ-4 sensor for high sensitivity.
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