Rate of Rise Heat Detector

Characteristics:

  • Heat-sensing diaphragm can operate for unlimited number of times and is not affected by room temperature. The conducting parts use gold coating to avoid oxidation.
  • Uses glass tube to avoid humidity and stabilize the ventilation function. Glass tube also can expel non-fire heat to avoid false alarms.
  • The unit is completely sealed; its function is not affected by humidity, dust or insects.
  • This detector has passed strict quality control through automatic repetitive testing and been calibrated automatically under stable temperature and humidity conditions. This, quality and reliability are consistent from the first detector produced to millionth.

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Description

SDH-871
 Type 2-wire
Alarm Contact N/A
Voltage Range 12-30V DC
Alarm Current @24V DC 470 Ω 40mA
Alarm Tempareture Comply to EN54
Ambient Temperature 0° C – + 55° C
Material Fire-proof plastic
Dimensions 111mm (Dia.) x 45 mm (H)
Weight About 130g
Color White
Effective alert area
Construction/Height Under 4M
Fire-proof building 60M²
Ordinary Building 30M²

 

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