You calibrate a weighing device to understand and document how it performs. You adjust the device to change its behavior. It makes sense that you would not want to change the behavior of a weighing device before you understand how it behaves.
  
Download our free white paper, What is Calibration?, to learn more about:
- What defines calibration
 - Why calibration is different from adjustment
 - Why measurement uncertainty is important
 
Download a free version of 'What is Calibration'.