Calibration Management Compare calibration, repair, downtime, reliability, capability, support, and lifecycle cost before replacing a measuring instrument. Contents Calibration or Replacement? When Should You Replace a Measuring Instrument? What Does a Failed Calibration Tell You? Calibration, Adjustment, Repair, and Verification Are Not the Same Start With the Measurement Requirement Measurement Uncertainty Can Change the Decision Review the As-Found Condition Use Calibration History for Lifecycle Decisions When Repair and Continued Use Make Sense When Replacement Makes More Sense Do Not Depend on a Fixed Repair-Cost Rule Compare Total Cost of Ownership Include the Cost of Downtime Metrology and Instrument Management Calibration or Replacement? When Should You Replace a Measuring Instrument? When a measuring instrument fails calibration, the next step is not always replacement. In many cases, a known fault can be corrected and the instrument returned to service. In o...