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Detection of solar wafers in harsh wafer production environments

Before further processing, the wafers are cleaned of the residues of the wire saw procedure in an abrasive wet process. The sensors used here are constantly exposed to chemicals. These can attack the front screen or the complete housing. The W4S-3 Inox photoelectric sensor is resistant to this. With the optional IO-Link interface, the reading window of the sensor can be continuously monitored, which reduces machine downtimes.

  • Following product families can be used
    Product family W4S-3 Inox
    Highest reliability, maximum resistance and endless possibilities
    • WashDown rated for fluid tightness (IP 66, IP 67, IP 68 and IP 69K) and Ecolab certified
    • Tough stainless steel housing (316L/1.4404)
    • Resistant to a variety of common cleaning and disinfection agents
    • Highly visible laser-like light spot due to PinPoint LED
    • Teach-in via stainless steel pushbutton with a metal membrane
    • Flexible sensor settings, monitoring, advanced diagnostics, and visualization thanks to IO-Link
    Product family W4-3
    Best-in-class sensing performance in a miniature housing
    • Best background suppression sensor in its class
    • Universal use of PinPoint technology in all models
    • BGS proximity sensor with laser-like light spot for precise detection tasks
    • Reliable setting via 5-turn potentiometer, teach-in pushbutton, teach-in via cable or IO-Link
    • Flexible sensor settings, monitoring, advanced diagnostics, and display thanks to IO-Link
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