Sealed Thermal Sensor

Models FST-851-WP and FST-851R-WP are intelligent addressable heat sensors that utilise a thermistor sensing technology for fast accurate response. Available in Fixed Temperature and Rate-of-Rise sensors, they  are sealed against the entry of moisture to a rating of IP67 and are suitable for outdoor applications in addition to installations such as cold rooms, carparks and wash down areas.


  • IP67 rating.
  • Dual LED’s for 360˚ visibility.
  • FlashScan protocol
  • Fitted with flying leads.
  • Easy mount base.
  • Sleek, low-profile design.
  • Addressable-analog communication.
  • Stable communication technique with noise immunity.
  • Low standby current.
  • Fitted with tamper resistant feature.


Created: Friday, 24 April 2020 15:26
Version: A
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FST-851-WP; FlashScan fixed temperature sealed thermal sensor

FST-851R-WP FlashScan rate of rise sealedthermal sensor