*Indication of the signal output.
* Dual signal output (analog output, and TTL level output)
*TTL output signal is low. (When low output signal light, and can be connected directly to the microcontroller)
*0 ~ 5V analog output voltage, the higher the concentration, the higher the voltage.
*Liquefied petroleum gas, natural gas, city gas, better sensitivity.
*Has a long life and reliable stability
*Fast response and recovery characteristics
*Excellent resistance to alcohol, smoke interference ability.