What kind of contrast sensors does Balluff offer?

Detection of product packaging defects

Contrast sensors are high-resolution diffuse sensors that distinguish objects based on their gray values. Balluff rugged contrast sensors recognize even small differences in contrast. They have a high switching frequency up to 30 kHz and are therefore particularly fast. They enable high positioning precision and are appropriate for a variety of applications, for example, in the printing and packaging industry.



  1. For fast processes thanks to highly requency up to 30 KHz
  2. Different light types(laser/red/green/blue or white light
  3. Large ranges with laser, maximum distance is 250 mm
  4. External teach-in possible
  5. Available with analog output signal
  6. Also available with display for simple setup
  7. Different model series for different applications


Learn more about BALLUFF's contrast sensors