Part No. F05-83270 Fireray 50RU
Part No. F05-83271 Fireray 100RU


The system comprises of a single unit incorporating an infra-red transmitter and receiver.The signal generated in the transmitter element and reflected by the prism back to the receiver element is analysed for the presence of smoke. The internal microprocessor determines an alarm condition when a predetermined level is reached.



  • 2 Models for ranges of:
    • 50RU: 16.5 ft. to 160 ft. (5m to 50m)
    • 100RU: 160 ft. to 330 ft. (50m to 100m)
  • Easy set up and alignment
  • Single compact housing
  • Calibrated obscuration test filter included
  • 3 selectable alarm thresholds: 25%, 35% or 50%
  • Microprocessor controlled
  • Alarm latching or auto reset
  • Automatic gain control
  • 12 VDC or 24 VDC operation
  • Separate alarm and trouble contacts
  • Remote Test Station available
  • 3 Year Warranty

Operational Features

Latching / Non latching alarm
Fault condition (Trouble)
90% or more obscuration (Trouble)
Automatic gain control
Improper set up alignment (Trouble)
Microprocessor controlled
3 Sensitivity selections
Indicators – Alarm Red LED / Trouble Amber LED

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