Reflective Beam Detector

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 analyzed for the presence of smoke. The internal microprocessor determines an alarm condition when a predetermined level is reached.

The system is designed to be mounted so the beam will project between 0.5 m and 0.6 m below and parallel to the ceiling. Lateral detection may be up to 9.144m on either side of the beam, providing a maximum total coverage area of up to 19,800 square feet (18.29 m x 100 m).


Operating Range 5 - 120 m
Operating Voltage Range 12 to 36 VDC ±10%
Operating Controller Current
(with 1 or 2 Receivers)		 14 mA (constant)
Operating Transmitter Current 8 mA (per Transmitter)
Power Down Reset Time >20 seconds
Fire and Fault Relay Contacts Resistive VFCO 2A @ 30 VDC
Operating Temp. (non-condensing) -20°C to +55°C
Optical Wavelength 850 nm
IP Rating IP54
Relative Humidity (non-condensing) 93%
Dimension (W x H x L) & Weight
Control Unit 203 mm x 124 mm x 71 mm, 600 g
Transmitter & Receiver 78 mm x 77 mm x 161 mm, 200 g
  • Easy set up and alignment
  • Single compact housing
  • Calibrated obscuration test filter included
  • Microprocessor controlled
  • Alarm latching or auto reset
  • Automatic gain control
  • 12 V DC or 24 V DC operation
  • Separate alarm and trouble contacts
  • Remote Test Station available

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