MQ-135 Air Quality Gas Sensor Module
₵40.00
In Stock18 in stock
Description
Product synopsis:
- Features:
- 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
- Applications:
- 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
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