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Before Calibrating an Instrument
Why is calibration and proper maintenance a critical process for instruments to ensure the accuracy of the measurement, reading & testing results?
They will eventually produce measurement errors, uncertainty, bias (zero drft) and sensitivity drift. Thus affecting the precision, accuracy & consistency of future measurements.
So, the question is: When should calibration be done to reduce and prevent measurement uncertainty?
Refer to Manufacturer's Recommendation
After an Unexpected Accident
Check if the instrument’s safety integrity has been compromised, if yes or unsure, then ask the calibration or technical service team to assist on the repair, maintenance & calibration.
Accordingly to Project Requirement
That includes having ISO 17025 certified instruments, using the right test equipment or having to deal with less stricter calibration standards.
Regardless, always check the specifications before the test.
Frequency of Usage
However, if projects are carried out less between critical and non-critical measurements, then can proceed with biannual and annual calibration is better.
Be mindful that calibration is a form of quality assurance process that allow you to get precise and accurate results.
For ISO 17025 Calibration / Consultation :
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Published : 23-Jul-2019