The Ins and Outs of Instrument Calibration
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Instrument calibration exists as an essential process to maintain the accuracy of instrumentation. Whether the instrument in question is used in the field, in the laboratory or in a manufacturing facility – accurate readings provide a firmer sounding board for decision-making.
Each environment will require different levels of accuracy and deciding what is an acceptable range to configure an instrument to will be balanced between corporate policy and legal requirements. Goods manufacturers and product testers will be well-versed with the complexity of such legal requirements. It is for this reason that companies which do not employ in-house calibration specialists will often seek out calibration experts with a specific knowledge of their sector or instrumentation type.
A variety of situations typify the need for calibration: new instrument manufacture/installation, routine maintenance, emergency maintenance, changes in external conditions and in any situation where the operator might find the reading/results questionable. Changes in external conditions can include climate changes, excessive shock damage, corrosion, water damage or gas leaks, for example. Routine calibrations occur over certain periods of time or over a specific usage/operating period (for example: 6 months usage over 5 days per week at 12 hours a day).
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