fire safety equipment

Service Details:

Edwards Signaling becomes part of the Detection & Alarm business under UTC Fire & Security. Today. . . With headquarters in Farmington, CT, manufacturing in Pittsfield, ME, distribution in Portland, TN, and Sales and Service locations around the world, it seems a long way back to the basement of Lungen's jewelry store.

Service Details:

Photoelectric smoke detector detects the smoke by acouple of infrared diodes. The principle of detection isgranule in the smoke can reflect infrared light.The infrared diodes are placed in the special chamber, thechamber reflects external light, but does not affect thesmoke into it. While there is no smoke, the diodecan receive very weak infrared light.