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Enveloping and Mailing

Pepperl+Fuchs offers a variety of sensors for your mailroom applications.

Vision sensors, especially designed for the print and packaging industry, reliably verify sheets by image or logo comparison and multicode reading. Transparent materials can be detected by special miniature retroreflective sensors for transparent sheet detection.
Ultrasonic double sheet detection sensors identify overlapping or double sheets irrespective of the media, whether fine papers, transparencies or cardboards.

Click on the green numbers to jump to your mailroom application!

1 - Print Mark Trigger 2 - Double Sheet Detection 3 - Sheet Verification 4 - Code Reading 5 - Transparent Sheet Detection



Print Mark Trigger

Sensor Solution:
Contrast and color sensors DK10, DK20/21, DK31/34

Customer Benefits:

  • Compact, rugged, die-cast housing
  • Adjustable connector position
  • High-visibility, dual-indicator LEDs
  • Static and dynamic Teach-In
  • 4-in-1 output minimizes inventory


Double Sheet Detection

Sensor Solution:
Ultrasonic sensors UDC-18GM

Customer Benefits:

  • Identifies zero, one, or multiple (overlapping) sheets
  • Fast response time
  • Extremely wide media spectrum, including fine papers, transparencies, cardboard, glossy surfaces, and metal foils

Sheet Verification

Sensor Solution:
Vision sensors BIS510, VOS412-BIS

Customer Benefits:

  • Sheet verification by image comparison, barcode and Data Matrix code reading in one sensor
  • For high-speed applications
  • Optimized illumination ensures reliable verification also on reflective surfaces

Code Reading

Sensor Solution:
Vision sensors Optical Print Inspector

Customer Benefits:

  • High speed reading of 1-D and 2-D codes
  • Multicode reading
  • Code quality output
  • Reads very long barcodes by taking several images
  • Logo comparison

Code Reading

Sensor Solution:
Laser barcode scanner VB14N, VB6

Customer Benefits:

  • Reads all popular 1-D codes
  • Raster scanner option
  • Advanced code reconstruction algorithm
  • Quick and easy programming and setup

Transparent Sheet Detection

Sensor Solution:
Retroreflective sensors ML4.2-54-G, ML6-54-G, MLV41-54-G

Customer Benefits:

  • Reliable detection of transparent materials
  • No blind range
  • Adjustable contrast
  • 4-in-1 output eliminates additional inventory