5pcs MQ-135 Ammonia Sulfide Benzene Vapor Gas Sensor Module Shield Liquefied Electronic Detector Geekcreit for Arduino -

5pcs MQ-135 Ammonia Sulfide Benzene Vapor Gas Sensor Module Shield Liquefied Electronic Detector Geekcreit for Arduino -

banggood Module Board

15.99$
12.99$
Features Sensitive material MQ135 gas sensor is used in clean air low conductivity tin oxideSnO2 When the sensor is kept in their environment In the polluting gases the conductivity sensor with increasing air pollution in gas concentration increasesUsing a simple circuit can change the conductivity Conversion of an output signal corresponding to the gas concentrationMQ135 sensor for ammoniasulfide benzene vapor high sensitivity of the smoke and other harmful monitor is also very goodThis sensor can be seized measure a variety of harmful gases is a low cost sensors for a variety of applications Speciffications1It adopts high quality double panel design with power indication and TTL signal output indication 2It has DO switch signalTTLoutput and AO analog signal output 3The TTL output valid signal is low When the output is lowthe signal light is onit can be directly connected to the MCU or relay module 4The voltage of the analog outputthe higher the concentrationthe higher the voltage 5It has good sensitivity to gas and natural gas detection 6there are four screw holes for easy positioning 7product dimensions32L20W22H 8has a long service life and reliable stability9fast response recovery characteristics Electrical PerformanceDection of gasAmmoniaSulfideBenzene vaporDection of Concentration 10 1000ppmInput voltageDC5VPower consumptioncurrent 150mADO outputTTL digital quantities 0 and 1