Electrochemical Detectors: These do the job by developing a chemical response when carbon monoxide is in the air. If the gas is detected, the alarm goes off. 6. Transceivers and Wireless Sign Repeaters Wireless sign repeaters and transceivers are utilized in large facilities or buildings with several fire zones to https://caidenpyekr.ja-blog.com/39526934/not-known-factual-statements-about-wireless-fire-alarm-systems