Discovery Heat Detector

Product Overview

The Discovery Heat Detector, distinguishable by the low airflow resistant case, uses a single thermistor to sense the air temperature around the detector.


  • Ideal in environments that are dirty or smokey under normal conditions.
  • Well suited for warehouses, loading bays and car parks.
  • Unaffected by wind or atmospheric pressure.
  • Remote test feature.




17-28 VDC

Quiescent current

340?A at 24 VDC

Alarm current

3.5mA at 24 VDC

Size inc base

100mm Dia x 50mm H

Operating temperature

-40°C to +70°C (no icing)

Relative humidity

0 to 95% (non condensing)

IP rating

IP54 (indoor use)

Weight inc base

160 grams



Item Numbers


Discovery Heat Detector