W12L-2 Series Sick Photoelectric Proximity Sensors

The W12L-2 series of photoelectric proximity sensors features laser technology that is optimally designed for individual applications. These sensors provide reliable object detection, and fast response times and are enclosed in a rugged metal housing, which is ideal for use in all types of industrial applications.

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 the 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
  • The rotatable connector provides easy installation

Baca Juga: Magnetic Proximity Sensor Sick MM type


Sensor/ detection principlePhotoelectric proximity sensor, Background suppression
Dimensions (W x H x D)15 mm x 49 mm x 41.5 mm
Housing design (light emission)Rectangular
Sensing range max.20 mm ... 50 mm 1)30 mm ... 200 mm2)30 mm ... 200 mm3)
Focus45 mm45 mm100 mm
Type of lightVisible red light
Light sourceLaser4)
Light spot size (distance)Ø 0.1 mm (45 mm)Ø 0.1 mm (45 mm)Ø 0.2 mm (100 mm)
Wavelength650 nm
Laser class2 (EN 60825-1:2014, IEC 60825-1:2007) 5)
Special applicationsDetecting small objects, Detection of objects moving at high speeds

  1. Object with 6 % reflectance (referred to as standard white, DIN 5033).
  2. Object with 18% remission (based on standard white DIN 5033)
  3. Object with 18% remission (based on standard white DIN 5033).
  4. Average service life: 50,000 h at TU = +25 °C.
  5. Pulse length 4 μs, max. pulse power < 5,0 mW.

Reference: inaparts.com

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