The Orbis A1R Heat Detector with Flashing LED monitors temperature by using a single thermistor which provides a voltage output proportional to the external air temperature.
• Can be used for applications where smoke detectors are unsuitable
• Ideal in environments that are dirty or smoky under normal conditions
• Red flashing LED at StartUp confirms the device is operating.
• SensAlert®, yellow flashing LED indicates faulty operation
• FasTest® takes just four seconds to test and confirm detectors are functioning correctly

Downloads:

ORB-HT-11013-APO Datasheet