TrueAlarm Conventional Point Sensors

Simplex TrueAlarm conventional sensors deliver proven TrueAlarm analog performance in a simplified package for applications that do not require the advanced capabilities of addressability.

  • Drift compensation automatically adjusts for dust buildup and maintains safety and performance
  • Magnetically operated functional testing makes inspection and maintenance fast and easy
  • UL268 7th edition listed to meet the latest standards and keep you code compliant


  • Broad compatibility: All sensors are compatible with conventional 2- or 4-wire initiating circuits.
  • Dynamic Contamination Response: Sensitivity automatically adjusts for dust buildup, maintaining safety, and performance.
  • Broad choice: Available in photo-only and photo-heat combined versions and with a variety of mounting bases.
  • Magnetically-operated functional testing: Inspection and maintenance are fast and easy.
  • Tailored sensitivity: Seven selectable sensitivity levels let each photo sensor’s performance be tailored to its specific location and environment.
  • Cleaning alerts: “Dirty Sensor” warnings tell you when a sensor needs cleaning.
  • UL 7th Edition listing: UL 268 7th edition listed to meet the latest standards.