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 Pololu Methane Gas Sensor MQ-4

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Pololu Methane Gas Sensor MQ-4
CODE: #1633

Price: 4.95

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Pololu Methane Gas Sensor MQ-4
Pololu item #: 1633

This semiconductor gas sensor detects the presence of methane (CNG) 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.

Overview
This methane gas sensor detects the concentration of methane 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. For example, the sensor could detect if someone left a gas stove on but not lit. The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5 V. Please read the MQ4 datasheet (161k pdf) for more information about the sensor.

What you Get
1 x Pololu item #: 1633

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