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W18 Ex

The W18-3 Ex series of photoelectric sensors provides reliable object detection in explosive environments. These sensors meet Category 3G/3D requirements for temperature, performance, UV resistance and mechanical stability. Both photoelectric proximity and retro-reflective sensors are available.


  • Best-in-class optical performance due to superior OES technology
  • Autocollimation optics
  • Background suppression with second sender LED
  • Sensors meet requirements of Category 3G/3D



 (W x H x D)

23.6 mm x 117 mm x 49.3 mm
Sensing range max. 10 mm … 1,000 mm 1)
Light source LED
Type of light Infrared light
Enclosure rating IP67
Housing material Plastic ABS
Adjustment Potentiometer, 4 turns
1) Object with 90 % reflectance (referred to standard white, DIN 5033).

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