Electrochemical Detectors: These perform by creating a chemical reaction when carbon monoxide is in the air. If the fuel is detected, the alarm goes off. 6. Transceivers and Wireless Sign Repeaters Wireless signal repeaters and transceivers are used in big amenities or buildings with various fire zones to strengthen and https://beauksahm.blogunteer.com/38068863/the-basic-principles-of-wireless-fire-alarm-systems