Photoelectric sensors
W18-3, Photoelectric retro-reflective sensor, autocollimation

At a glance
• Sender LED with visible red light
• Autocollimation optics with polarizing filter
• Immune to ambient light
• Optional alarm output provides a pre-warning in case of contamination
• Rugged plastic housing

Your benefits
• Quick installation due to highly visible red light and preset sensitivity
• Reliable detection of objects without blind zones due to autocollimation optics and
   a polarizing filter
• Crosstalk and ambient light immunity reduce false readings and downtime
• High availability in the field, optional alarm output provides quick diagnostics
   information