Visible Laser JR31-20N Photoelectric Switch Sensor

Visible Laser JR31-20N Photoelectric Switch Sensor
A visible laser photoelectric switch sensor can detect obstacles up to 200mm.
Compares to normal Proximity sensor such as GP2Y0A21YK0F The most advantage for this sensor is its visible laser, that the sensor can detect small items,  or even via a small as if the visible light can get the item. Besides, the on/off speed would be very fast, 2ms makes it available for special projects such as quantity counting.


  • Launch laser, linear beam, visible spot, detect 0.8mm ultra-fine objects
  • Reliable detection of small objects and narrow gaps with small spots
  • The smallest object can be detected through a small hole with a diameter of 5mm.
  • Laser level 1 (JIS and IEC)
  • Spec List:

  • Dimension: 31mmx21mmx11mm
  • Detection method: Inductive 200ma
  • Distance: 200mm
  • Working voltage: 10-30v
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    • Brand: Makerfabs
    • Product Code: MMSJR3120N
    • Availability: In Stock
    • $12.80
    • 10 or more $10.80
    • 50 or more $9.00

    Tags: JR31-20N Sensor