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Reflective / PR-11B



The newly developed PR-11B is suitable for both indoor and outdoor use, for applications where a beam-break is desireable, but running wire to both ends is impractical.

For distances up to 11m (36ft) outdoor / 15m (49ft) indoor.


  • Easy Installation
  • Suitable for both Indoor and Outdoor use
  • Double Modulated Beam for unsurpassed Light Immunity
  • Monitor jack for alignment with Multi-Meter
  • Rotary Optical System
  • Response Time Adjustment
  • Easy Operation Check



  • Specifications
  • Downloads

Model PR-11B
Product type Photoelectric Beam Sensor
Detection system Near infrared beam interruption system (reflective)
Protection distance
Outdoor 1-11m (3.3-36ft) or less
Indoor 1.15m (3.3-49ft) or less
Supply voltage 10.5V to 30VDC (Non-polarity)
Current consumption 55mA or less
Alarm output Dry contact relay NO/NC
Contact action : Interruption time (minimum 2 seconds)
Contact capacity : 30V AC/DC, 0.5A or less
Tamper output Dry contact relay N/C
Action : Activated when cover is detached
Contact capacity : 30V AC/DC, 0.5A or less
Response Time 0.05sec to 0.7sec (adjustable by potentiometer)
Alarm LED Red LED
ON : when an alarm is initiated.
Attenuation LED Red LED
ON : when beam is attenuated.
Functions Monitor output
Ambient temperature range -25°C to +60°C (-13°F to +140°F)
Mounting positions Indoor / Outdoor
Wiring Terminals
Weight Sensor : 430g (15oz)
Reflector : 490g (17oz)
Appearance Sensor : PC resin (wine red)
Reflector : acrylic resin (clear), AES resin (black)

Instruction Manual