3pcs MQ-135 Ammonia Sulfide Benzene Vapor Gas Sensor Module Shield Liquefied Electronic Detector

3pcs MQ-135 Ammonia Sulfide Benzene Vapor Gas Sensor Module Shield Liquefied Electronic Detector
Was: 8.99
Price: 7.50

Features Sensitive material MQ135 gas sensor is used in clean air low conductivity tin oxide SnO2 When the sensor is kept in their environment In the polluting gases the conductivity sensor with increasing air pollution in gas concentration increases Using a simple circuit can change the conductivity Conversion of an output signal corresponding to the gas concentration MQ135 sensor for ammonia sulfide benzene vapor high sensitivity of the smoke and other harmful monitor is also very good This sensor can be seized measure a variety of harmful gases is a low cost sensors for a variety of applications Speciffications 1 It adopts high quality double panel design with power indication and TTL signal output indication 2 It has DO switch signal TTL output and AO analog signal output 3 The TTL output valid signal is low When the output is low the signal light is on it can be directly connected to the MCU or relay module 4 The voltage of the analog output the higher the concentration the higher the voltage 5 It has good sensitivity to gas and natural gas detection 6 there are four screw holes for easy positioning 7 product dimensions 32 L 20 W 22 H 8 has a long service life and reliable stability9 fast response recovery characteristics Electrical Performance Dection of gas Ammonia Sulfide Benzene vaporDection of Concentration 10 1000ppmInput voltage DC5VPower consumption current 150mADO output TTL digital quantities 0 and 1
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