FC-22-1 Harmful Gas Detector Sensor Module for Arduino

– Range: 10~1000ppm
– High quality double panel design, with power and TTL signal output indicator
– With DO switch signal (TTL) output and AO analog signal output
– TTL output effective signal for low level (when output lower than usually the signal light, can be directly meet SCM or relay module) 
– Analog output voltage: 0~5V, the higher concentration, the higher voltage
– High sensitivity for the harmful gases detection 
– There are four screw holes for positioning
– Product size: 32mm (L) x 20mm (W) x 22mm (H)
– Long service life and reliable stability, fast response and recovery characteristics
– Working voltage: 5V
– Suitable for home / industry carbon monoxide, coal gas, natural gas, smoke and other harmful monitoring gases detection
– Before use, please heat the board for about 20 seconds
– Packing list:
– 1 x Sensor module