Description
Fireangel ST-622Q 10 Year Thermally Enhanced Optical Smoke Alarm, Multi-ColourThe ground-breaking thermoptek technology in the st-622q provides responsiveness to all fire types in one alarm. Thermoptek technology combines the very latest in optical sensing with a thermal enhancement. It constantly monitors for temperature change. Smoke is detected by an infrared detector which, when interrupted by smoke particles, scatters light onto a photodiode receptor. This is the Sensing technology of choice for the UK’s Fire and Rescue Service and gives a response time of up to 50% faster than normal smoke alarms.
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