Waveshare MQ-7 Gas Sensor


The MQ-7 gas sensor is a gas sensor module that incorporates MQ-7, designed for air quality monitoring. It can be used to measure Carbon Monoxide from Different Types of Gasses, then generate digital signals for triggering air treatment devices.

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Carbon Monoxide Monitor

Sensitive for carbon monoxide
Output voltage boosts along with the concentration of the measured gases increases
Fast response and recovery
Adjustable sensitivity
Signal output indicator


IC Chip MQ-7
Operating Voltage (VDC) 2.5~5
Detecting Range 20-2000 ppm
Opt. Relative Humidity(RH) <95%
Length (mm) 40
Width (mm) 20
Height (mm) 17
Weight (gm) 7


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