decalibrate
verbUK /diːˈkælɪbɹeɪt/
Etymology From de- + calibrate.
1
Of a measuring instrument To lose calibration and therefore not be accurate.
- Aneroid and electronic instruments, decalibrate easily and frequently and require routine accuracy checks.
2
To perform some action to remove the calibration of an instrument.
- it is important to not go over the pipetteman volume limit because that will decalibrate the machine.