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Photoelectric sensors
W4S-3 Inox Hygiene Glass

Reliable detection of transparent objects

Your Benefits

  • Absolutely hygienic housing and accessories with no holes, grooves, or crevices eliminate the potential for bacteria to grow, providing a more hygienic solution by design
  • High level of system availability and minimal operating costs even when aggressive cleaners or cooling lubricants are used
  • Reliable detection of all transparent objects in the pharmaceutical and food and beverage industries
  • Very user-friendly thanks to revolutionary membrane teach-in button
  • Quick and easy alignment due to highly visible PinPoint light spot
  • IO-Link supports autonomous timely and initial diagnostics of system performance with relatively little effort (option)

Overview

Reliable detection of transparent objects

The WLG4S-3 Inox Hygiene photoelectric retro-reflective sensors combine strict hygiene requirements based on EHEDG with best-in-class optical performance. The continuous threshold adaptation of the switching threshold enables reliable transparent object detection and reduces the frequency that the sensor or reflector needs. Enclosed in an IP 69K stainless steel housing, these sensors can be adjusted via a stainless steel pushbutton with a metal membrane. With built-in protection for the sensor cable, no additional mounting brackets or mounting holes are required for in-process machine integration. These sensors as well as additional hygienic reflectors are designed for a completely hygienic sensor solution that is a necessity for the most hygienic machines.

At a glance
  • Hygienic designed stainless steel housing and accessories (316L/1.4404)
  • Hygienic mounting using M12-adapter thread or D12-adapter shaft
  • IP 66, IP 67, IP 68 and IP 69K enclosure rating and Ecolab certified
  • Resistant to a variety of common cleaning and disinfection agents
  • PinPoint LED technology provides a highly visible laser-like light spot
  • Teach-in stainless steel metal membrane or external teach-in

Technical overview

 
  • Technical data overview

    Technical data overview

    Dimensions (W x H x D)

    15.25 mm x 63.2 mm x 22.15 mm

    15.25 mm x 48.6 mm x 22.15 mm

    Sensing range max.0 m ... 5 m 1)
    Light sourcePinPoint LED
    Type of lightVisible red light
    Enclosure rating

    IP66

    IP67

    IP68

    IP69K

    Housing material

    Stainless steel stainless steel 316L

    Stainless steel Stainless steel V4A (1.4404, 316L)

    Adjustment

    Single teach-in button

    Cable, Single teach-in button 2)

    Cable 2)

    IO-Link, Single teach-in button

    • 1) Reflector PL80A.
    • 2) External teach-in: pulse > 2 s with voltage Uv with PNP and M with NPN.
All technical data can be found accompanying the individual product

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