1PCS TZT teng MQ135 MQ-135 Air quality and hazardous gas detection sensor alarm module MQ135 module

• 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

Package included:
100% Brand New

1set x  MQ-135