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Username Post: Equipment Calibration
Anonymous 



08-18-04 07:07 AM - Post#978    
    In response to Anonymous

This issue was raised at the recent equipment use and calibration course I conducted overseas.

The answer is not straightforward. Some instruments do not require calibration in practice, such as a ruler or a measuring tape (purists will disagree with me).

The legal basis is to adhere to the equipment manufacturer's guidelines for calibration. Best practice would compel the user to calibrate each day before use.

In general, I agree that measurements taken with an out of calibration equipment are invalid. However, some equipment warns the user when they need calibration, in spite of recommended calibration intervals, so for practical purposes the measurements could be used (not for legal formal use)

Charles
Consultant
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