Air Quality Sensor

Size: 32mm X22mm X30mmchip:MQ135 gas-sensing detectorWorking voltage: DC 5Vanalog output increases with gas concentration, the higher the concentration,the higher the voltage .high sensitivity with the sulfides, benzene vapor, and other harmful smoke gases ;with a long life and reliable stability;the probe plug design for easy testing.Used for family, Surrounding environment noxious gas detection device, Apply to ammonia, aromatics, sulfur, benzene vapor, and other harmful gases/smoke, gas detection, testedconcentration range: 10 to 1000ppm