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MQ-135 Air Quality Sensor Hazardous Gas Detection Module

| In Stock

In stock

Product Description

Size: 32X20X22mm/1.25*0.78*0.86”
The main chip: MQ135 gas sensing probe
Operating voltage: DC 5V
Power (current) : 150mA
DO Output: 0.1V/5V
AO Output: 0.1-0.3V
Signal output indicator instructions
Dual signal output (analog output, and TTL level output)
TTL output valid signal is low; (output low signal light, which can be accessed microcontroller IO port)
Analog output with increasing concentration, the higher the concentration, the higher the voltage
Sulfide, benzene Department of steam, smoke and other harmful gases with high sensitivity
Has a long life and reliable stability
Rapid response recovery characteristics

A hazardous gas detection apparatus for the family, the environment, suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other gases harmful gas detection, gas-sensitive element test concentration range: 10 to 1000pp

Package included:
1x  MQ-135


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