Battery Operated Heat Detector

Model No.: LF-HD-42


  • Photoelectric technology is more sensitive at detecting large particles fires
  • MCU automatic processing technology
  • Manual test
  • Auto reset
  • Automatic detection
  • Sound-light alarm
  • Strong adaptability for circumstance
  • SMT design, high stability
  • 9V battery adopted


This heat detector offers fixed temperature detection, suitable to any household or commercial applications. The detector is made up of an externally mounted thermistor with a specially designed cover that protects the thermistor while allowing maximum air flow. The thermistor reads the temperature from the air it takes in and transmits a signal representing the temperature to the MCU. If the temperature reaches or exceeds the trip point, the detector is triggered. The status LED flashes in red and alarm signal is output. The detector is an ideal unit to detect rapid fire developments in houses, shops, hotels, restaurants, offices, schools, banks, libraries and etc.

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