Photo Reflective Speed Sensors

MCS-655 Photo-Reflective Speed Sensor

Photo-Reflective Speed Sensor

The MCS-655M is a photo-reflective NPN open collector photosensor with Light/Dark activated output that operates up to 1000 Hz.

For simplified installation purposes the integral LED aids in the MCS-655M model comes in a robust metal housing with a connection cable, LED status indicator, sensitivity control, and mounting nuts.

Models Available
Retro-Reflective Speed Sensor with Metal Housing
Retro-Reflective Speed Sensor with Plastic Housing

Please contact us for pricing and availability..!!


  • Switching frequency: 1,000 Hz with light/dark ratio 1:1
  • LED is mounted in the back of the unit with sensitivity adjustment.
  • M18 Threaded body housing with two lock (jam) nuts for easy mounting and positioning.


Housing length 2.5" (62.9 mm)
Housing thread diameter M18 x 1
Sensing range 2" - 23' (0.05 -7 m )
Light/Source Visible red LED
Light spot at 19.7' (6 m) 15.75" (400 mm)
Sensitivity adjustment Potentiometer over 270 degree rotation
Switching output NPN open collector, Light/dark-switching, Selectable via L/D control wire
Signal voltage NPN HIGH ⁄ LOW, Approx. VS ⁄ < 1.8 V
Switching frequency 1,000 Hz with light/dark ratio 1:1
Angle of dispersion Ca. 4.5 degrees
Optics material PMMA
Housing material MCS-655M: Nickel Plated Brass / MCS-655P: PBT and PC

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