W12-2 Laser

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W12-2 Laser



At a glance

  • Best-in-class retro-reflective laser performance in a metal housing
  • Teflon® coating available
  • Precise autocollimation optics
  • Adjustable focus on retro-reflective sensors
  • High switching frequency of 2.5 kHz
  • Connection via cable or rotatable connector
  • Mounting options with through holes, blind holes, oblong holes and dovetail
  • Laser protection class 1 or 2

Your Benefits

  • Reliable object detection of small objects due to superior ASIC (application-specific integrated circuit) technology combined with innovative laser technology
  • Red light laser technology provides quick and easy alignment of sensor
  • Rugged metal housing (available with Teflon® coating) withstands harsh environments
  • Laser protection class 1 or 2 for eye safety
  • Resistance to optical interference reduces false readings and downtime
  • Rotatable connector provides easy installation

Technical overview

Dimensions (W x H x D) 15 mm x 49 mm x 41.5 mm
Sensing range max.    
Photoelectric proximity sensor, Background suppression




Photoelectric retro-reflective sensor, autocollimation
Through-beam photoelectric sensor
30 mm ... 200 mm 1)
20 mm ... 50 mm 2)
30 mm ... 200 mm 3)
50 mm ... 290 mm 4)
0 m ... 36 m 5)
0 m ... 80 m
Light source Laser
Type of light Visible red light
Enclosure rating IP 67 / IP 69K / IP 67
Housing material Metal / PTFE coating
1) Object with 18% remission (based on standard white DIN 5033).
2) Object with 6 % reflectance (referred to standard white, DIN 5033).
3) Object with 90 % reflectance (referred to standard white, DIN 5033).
4) Object with 6 % remission. 5) Reflector PL80A.


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