03/08/2006 • Fire prevention • Security, Intrusion Detection, Perimeter Protection

Ionisation Smoke Detector

Air in the dual sensing chambers is irradiated to produce ions that travel to the positive and negative electrodes, creating a current flow. As smoke enters the outer chamber, the flow drops and voltage increases. The voltage is measured and an analogue signal is converted to digital for transmission to the control equipment.

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Apollo Fire Detectors Limited

36 Brookside Road
Havant

Phone: +44 (0) 23/ 9249- 2412
Fax: +44 (0) 23/ 9249- 2754