The Series 65 Heat Detector monitors temperature by using a dual thermistor network which provides a voltage output proportional to the external air temperature. There are 12 heat detectors in the Series 65 range designed to suit a wide variety of operating conditions.

• Can be used for applications where smoke detectors are unsuitable
• Ideal for environments that are dirty or smoky under natural conditions
• Wide operating voltage
• Flashing LED and magnet operated test switch option