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Aviary Court, Wade Road,
RG24 8PE, UK

+44 (0)1256 475555
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+44 (0)1256 475555
Aviary Court, Wade Road, Basingstoke, Hampshire, RG24 8PE, UK
Quad / PXB-50HF / 100HF / 200HF SERIES

PXB-50HF / 100HF / 200HF SERIES


up to 50m outdoor up to 100m outdoor up to 200m outdoor

When there is no room for compromise, professional installers and specifiers can rely on the enhanced features of our flagship PXB range. Coupled with the ER-02 wireless alignment tool, the integrated self diagnostic function ensures perfect alignment every time.


  • 4 x synchronised high power beams
  • 4 selectable beam channels to prevent crosstalk
  • double modulation for unsurpassed light immunity
  • increased beam separation minimises nuisance alarms
  • vivid internal colour aids beam alignment procedure
  • lightning and surge protection up to 15kV
  • environmental monitoring circuit
  • dynamic auto-gain lock (AGL)
  • 50,000 lux sunlight immunity
  • IP65 housing



  • Specifications
  • Downloads

Model PXB-50HF PXB-100HF PXB-200HF
Detection system
Simultaneous breaking of 4 beams
Infrared beam
LED pulsed beam, Double modulation
Protection distance
Outdoor 50m or less
Indoor 100m or less
Outdoor 100m or less
Indoor 200m or less
Outdoor 200m or less
Indoor 400m or less
Max. beam range (approx.)
Response time
50msec. to 700msec. (Variable at pot)
Supply voltage 12V to 30VDC (Non-polarity)
Current consumption
30mA or less
32mA or less
34mA or less
Alarm output
Dry contact relay output form C
Contact action : Interruption time + delay time (2 sec.)
Contact capacity : 30V (AC/DC) 1A (resistive load)
Protective resistor
Environmental output
Dry contact relay output form C
Contact action : Output when environmental conditions worsen
Contact capacity : 30V (AC/DC) 1A (resistive load)
Protective resistor
Tamper output
Dry contact relay 1b
Contact action : Activated when TX/RX cover is detached
Contact capacity : 30V (AC/DC) 0.1A (resistive load)
Protective resistor
Alarm LED
Red LED (Receiver)
ON : when an alarm is initiated
Sensitivity attenuation LED
Red LED (Receiver)
ON : when beam reception is attenuated
Functions Modulated beam frequency selection, Tone indicator, Environmental module, Beam power selection, Transmitting power adjustment, Alarm memory indication, Programmed AGC, Auto-gain lock function, Monitor Jack, Tamper, Response time adjustment, Upper/Lower beam switch, Wireless checker
Ambient temperature range
- 35°C to +66°C
Beam adjustment
Horizontal : ±90°, Vertical : ±20°
Mounting positions
Indoor / Outdoor
Weight Transmitter : 1400g / Receiver : 1470g
Appearance PC resin (wine red)

The specifications are subject to change without notice.

Instruction Manual