SST Discovery Marine Heat Detector

The SST Discovery Marine Heat Detectors have a common profile with ionisation and optical smoke detectors but have a low air flow resistance case made of self-extinguishing white polycarbonate. The SST Discovery Marine Heat Detector uses a single thermistor to sense the air temperature at the detector position. The thermistor is connected in a resistor network, which produces a voltage output dependent on temperature. The design of the resistor network, together with the processing algorithm in the microcontroller, gives an approximately linear characteristic from 10°C to 80°C.
SST Discovery Marine Heat Detector
Heat sensitive resistance detection principle
2 red LED with optional remote LED
Two-wire supply, polarity insensitive
Operating voltage of 17-28V DC
10s maximum power-up time
Minimum operating temperature of -40°C
IP54 rating
White polycarbonate V-0 rated to UL94
Nickel plated stainless steel terminals

Boiler rooms

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