Sylvania P607 UV Photocell Tube (Honeywell 18838)  
Written by AnubisTTP on 2017-09-22  

Description

The Sylvania P607 is a fairly common UV sensitive photocell designed for use in flame detection systems. Flame detectors are typically used in boilers and furnaces to detect the presence of a flame in the combustion chamber. Flame detectors also see some use in fire suppression systems, where they can be used to sound an alarm or activate a sprinkler system when a flame is detected. The internal construction of the P607 is extremely simple and contains only two small loops of wire; one loop acts as a light sensitive cathode, and the other receives the electrons which are released from the cathode when it is struck by UV light.

Boilers and furnaces have long lives and as a result, this device is still in common use. Honeywell produces a part, the Honeywell 18838, that is generally considered a safe replacement for this tube.

Photos


Sylvania P607

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