3 Review(s)

1.With signal output indicator light.2.Size: 32mm X22mm X30mm length * width * height;3.The main chip: LM393, MQ-x gas sensing probe;4.Working voltage: DC 5V;5.With signal output indicator light;6.The dual signal output (analog output and TTL output);7.The analog output and increased with the increase of concentration, the higher the concentration higher voltage;8.Has a very high sensitivity to sulfide, benzene vapor, smoke and other harmful gases;9.With a long service life and reliable stability;10.Quick response and recovery characteristics;11.With mounting holes, easy mounting;12.The probe can be plug design, convenient test.||Quick response and recovery characteristics;The dual signal output (analog output and TTL output);Has a very high sensitivity to sulfide, benzene vapor, smoke and other harmful gases