MQ135 MQ 135 AIR QUALITY SENSOR HAZARDOUS GAS DETECTION IN INDIA

Description Description： Size: 32mm X22mm X30mm (length * width * height) The main chip: LM393, MQ135 gas sensing probe  Operating voltage: DC 5V Features: 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; Package included: 1 x  MQ-135 Air Quality Sensor Hazardous Gas Detection Module