CNTX Contrast Sensor

contrast sensor

CNTX Contrast Sensor

  • Broad spectrum white LED
  • High-speed, 40kHz switching
  • Teach function
  • Numeral display (on some models)

$79.99$234.99

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CNTX Contrast Sensor Overview

Our contrast sensor increases process throughput with high-speed, accurate, and reliable contrast differentiation. The CNTX™ combines a broad-spectrum light source, small spot size, and fast response to achieve high-speed contrast differentiation of both neutral and color targets. The CNTX™ employs our field-proven, patented technology, for effective detection of registration marks, glossy surfaces, cap inserts, date codes, and sorting of the product by color in many industrial applications. The durable plastic case and polycarbonate lens provide robust construction expected in an industrial environment.

The CNTX™ (also known as a Registration Mark Sensor) combines the small spot size of 3mm (0.4mm spot size also available) and fast response times to achieve high-speed contrast differentiation of both neutral and color targets.

The sensor provides a numerical display of 50 grayscale levels. The broad-spectrum light source allows accurate detection of a wide range of colors against any background. The flexibility of the CNTX™ makes it easy to set up in a wide variety of printing, packaging, and converting applications.

Contrast Sensor Applications:

  • Detect registration marks
  • Confirm the presence of date codes
  • Detect glossy surfaces
  • Sort products by color
  • Detect cap inserts

Read our application note on how contrast sensors detect transparent objects.

Have Questions? CLICK HERE

Features Within Our Contrast Sensors

  • High color contrast sensitivity and resolution
  • High detection speed, 25-microsecond discrete output response
  • Broad-spectrum white LED light source allows detection of all colors
  • Calibration feature and three light source intensity settings allow a wide range of adjustment capability
  • Easy-to-use operator adjustable threshold
  • Fast and convenient integration (In one sensor you get both analog and discrete output, auto-detect for PNP/NPN configuration)
  • Unique numerical display indicates measured levels making process setup easy
  • Circular spot allows for any orientation of sensor to mark
Model Number CNTX-30-TP CNTX-30-TP-2M CNTX-35-TP CNTX-30-T CNTX-30-0 CNTX-05-0
Spot Size 3mm 3mm 1mm 3mm 3mm 0.5mm
Display Range N/A N/A N/A N/A 0-50 0-50
Sensitivity Standard Standard Standard Standard Standard Standard
Gain Selections Auto Teach Auto Teach Auto Teach Auto Teach 1X-10X 1X-10X
Spectral Sensitivity 400-700nm 400-700nm 400-700nm 400-700nm 400-700nm 400-700nm
Operating Range 28mm 28mm 28mm 28mm 28mm 28mm
Discrete Output PNP/NPN PNP/NPN PNP/NPN PNP/NPN PNP/NPN PNP/NPN

Spec Sheets

CNTX-30-TP / CNTX-35-TP
CNTX-30-TP-2M
CNTX-30-T
CNTX-30-0 / CNTX-05-0

Manuals

CNTX-30-TP
CNTX-35-TP
CNTX-30-TP-2M
CNTX-30-T
CNTX-30-0 / CNTX-05-0

Support Document

Contrast Sensor Selection Guide