Laser Diffuse Scan Sensor

Laser Diffuse Scan Sensor

Models :

LD 481  :  NPN – NO,
LD 482  :  NPN – NC
LD 483  :  PNP – NO
LD 484  :  PNP – NC

Electronic Switches offers Diffuse laser sensors detect presence via laser light reflected off the target object and back to the sensor. Laser Diffuse Sensors are used for detecting presence based on position, Benefits include precise detection.

Application : For Hole detection , Small object detection, detection of object on conveyor belt


  • NPN or PNP ,  NO or NC
  • Range adjustable as required
  • LED indication for output status
  • Non Critical alignment
  • Available in M 18 Brass Plated Housing
  • Also available in ABS Plastic Housing

Product Variants

LD 481 NPN – NO 400 mm
LD 482 NPN – NC 400 mm
LD 483 PNP – NO 400 mm
LD 484 PNP – NC 400 mm


Power Supply 10 – 30 V DC
Output PNP or NPN  :  NO or NC
Spot Size 3.5mm
Sensing Range 400mm ( Range specified with white photographic paper)
Sensitivity Adjustable
Laser Bright Spot
Housing Brass
Dimension 18 D x 75 L mm


  • For Height based GO-NO-GO systems
  • Object detection on Conveyor Belts
  • As Safety Barriers for various machines
  • For Safety barrier for Sliding gate of boom barrier
  • For Safety applications in Paper Cutting Machines
  • For Level sensing in Hoppers



Additional information


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Demo Video


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