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The Series 65A Heat Detector monitors temperature by using a dual thermistor network which provides a voltage output proportional to the external air temperature. There are nine heat detectors in the Series 65A range designed to suit a wide variety of operating conditions.
The Series 65A range of conventional detectors incorporates well-proven sensing technologies, together with advances in materials and electronics technology. A wide operating voltage of 9 to 33V DC means that Series 65A detectors can be integrated into security systems when used with a relay base.