• 99 levels of relative opacity scale
  • High resolution analog output
  • Calibration option
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OPAX-1000™ Opacity and Turbidity Sensor Overview

Test the opacity of containers with online, high-speed and accurate measurements. The OPAX-1000™ opacity and turbidity sensor combines proven sensor technology with innovative hardware to provide an easy-to-use system to measure light transmission in a wide variety of applications.

Many products require packaging that protects the contents from the damaging effects of light. Establishing pass/fail criteria for minimum opacity of these containers and providing online opacity testing eliminates defects and allows real-time quality control. The OPAX-1000 allows you to test every container, and identify and remove containers with low opacity.

Opacity Testing Applications:

On-line opacity meter for container manufacturing. The OPAX-1000 system can be used with packaging materials such as high-density polyethylene, HDPE plastic, LDPE, and other opaque materials such as paper and composite films. Read our application note on how opacity sensors protect product integrity.

Quality Control Applications:

In-line incoming inspection of finished containers. Container manufacturers can deploy the OPAX-1000 opacity and turbidity sensor as part of a manufacturing process quality control system.

Application Handbook:

In this FREE guide, learn more about:

  • 100% on-line verification
  • Reducing production costs
  • HDPE & PET opacity measurements
  • Color checks for translucent containers
  • Quality & color measurements for films

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The OPAX-1000™ System Features

  • Relative opacity units display
  • High-resolution analog output allows monitoring of opacity by external system
  • High detection speed with 100-microsecond discrete output response
  • Adjustable brackets provide quick set-up and integration into your process
  • Calibration feature allows manual user sensitivity adjustment
  • Laser-mark position sensor indicates container positioned for measurement
  • Unique numerical display indicates measured levels, making process set-up easy
  • Rugged construction
Model Number Display Range Sensitivity Gain Selections Spectral
Discrete Output
OPAX-1000 0-99 Standard 1X-10X 400-700nm 28mm PNP/NPN


Aluminum mounting bracket

Laser position sensor
Spec sheet

Cable 5P, 5M, M12, F

Spec Sheet
Request Opacity and Color Application Handbook