MQ-6 LPG - Isobutane - Propane Gas Sensor

MQ-6 LPG - Isobutane - Propane Gas Sensor
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Price: £4.50
(£3.75 + VAT)
Stock Quantity: 23
Backorder not allowed
Model: MQ-6
Average Rating: Not Rated

The MQ-6 LPG - Isobutane - Propane Gas Sensor is a semiconductor gas sensor that detects the presence of LPG, Isobutane, and Propane gas at concentrations from 300 ppm to 10,000 ppm, a range suitable for detecting gas leaks. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller.

The MQ-6 LPG - Isobutane - Propane Gas Sensor detects the concentration of gas in the air and ouputs its reading as an analog voltage. The concentration sensing range of 300 ppm to 10,000 ppm is suitable for leak detection. The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5 V.


Connecting five volts across the heating (H) pins keeps the sensor hot enough to function correctly. Connecting five volts at either the A or B pins causes the sensor to emit an analog voltage on the other pins. A resistive load between the output pins and ground sets the sensitivity of the detector.The resistive load should be calibrated for your particular application using the equations in the datasheet, but a good starting value for the resistor is 20 kΩ.


MQ-6 Datasheet


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MQ-6 LPG - Isobutane - Propane Gas Sensor
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