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Series 60 Ionization Smoke Detector
The series 60 ionization smoke detector has a wider, more compact profile and plugs into a new design of base (see below). With its elegant shape and pure white finish, it will blend unobtrusively into all types of architectural design.
The sensing part of the detector consists of two chambers – an open, outer chamber and a semi-sealed reference chamber within.
Mounted in the reference chamber is a low activity radioactive foil of Americium 241 which enables current to flow between the inner and outer chambers when the detector is powered up.
As smoke enters the detector, it causes a reduction of the current flow in the outer chamber and hence an increase in the voltage measures at the junction between the two chambers. The voltage increase is monitored by the electronic circuitry which triggers the detector into the alarm state at a present threshold. An externally visible LED will light up when the detector changes to alarm state.
