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Whatever the application, C23 series sensors meet its highest demands. Their miniature size (20 x 30 x 10 mm), first-class sensing ranges and practical accessories are ideal for limited spaces.


Housings have an IP67 enclosure rating and are Ecolab-approved for use in hygienic areas. Versions with background suppression and pinpoint LED ensure high reliability and extended detection ranges, while types with patented UV technology set new benchmarks for transparent object detection. A stability alarm is also available as a second output on some types, while versatile mounting brackets ensure ease of installation. All PNP types include IO-Link communication, a key enabling technology for Industry 4.0 and the Industrial Internet of Things.

Distance measurement sensors are also available in cubic C23 housings (20 x 34 x 12 mm). DTR-C23 and DTL-C23 sensors operate according to the principle of triangulation using either red light or laser. Types with red light measure distances of 20 to 80 mm or 30 to 200 mm, while the measurement range for laser types is 20 to 100 mm. The housings are extremely water-resistant with an IP67/IP69K enclosure rating.

Type: Diffuse
  • Sensing range up to 1500 mm
  • Special version with remote IO-Link adjustment
  • Mutual interference immunity
Type: Background suppression
  • Sensing range 300 mm on white and gray, 250 mm on black
  • Pinpoint LED
  • Mutual interference immunity
Type: Reflex
  • Sensing range up to 8000 mm
  • Red polarized light
  • Mutual interference immunity
Type: Reflex for transparent object
  • Sensing range up to 5000 mm
  • Red polarized light
  • Mutual interference immunity
Type: UV-Reflex for transparent object
  • Sensing range up to 1200 mm
  • UV light
  • Mutual interference immunity
Type: Through-beam
  • Sensing range up to 30,000 mm
  • Mutual interference immunity by setting emitter/receiver pairs via IO-Link
Type: Distance
  • Measurement range with red light 20 … 80 mm or 30 … 200 mm
  • Measurement range with laser 20 … 100 mm
  • Settable analog and digital outputs

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