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MQ135 Air Quality Gas Sensor

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Item Number
MQ135
Item Condition
New
Price
£3.50 (inc VAT £4.20)

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Methane gas sensor module for Arduino and other microcontroler projects

 
This module has a sensitive gas sensor that can measure the air quality. It can measure gaseous compounds and elements such as ammonia (NH3), nitrogen oxides (NOx) carbon dioxide (CO2), benzene (C6H6) and other harmful gases. The sensor outputs a varying voltage on the analogue pin depending on the level of pollutants and it has a comparator to give you a digital output when the level of pollutants reaches a certain level. This can be set with the built-in potentiometer.
 
Please note, this sensor needs to warm up for a couple of minutes before it will give a stable reading.
 
Voltage : 5VDC
Current : 150mA
Sensitivity : 300 to 10000ppm
Size 32x21mm

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