Firstly, it is important to realise that each calibration has its own purpose. If there is no purpose, no calibration is necessary.
Where there is a requirement from the legislator, the legislator also prescribes by law, act or regulation the purpose and why it is important – health protection, occupational safety, protection of property… these purposes often go in the direction of the public good.
When it comes to customer requirements, the customer sets control points and checks its contractors, subcontractors, suppliers. We often say that it is AUDIT (evaluation by the buyer).
Where the user’s requirements are concerned, the user verifies the criteria in use by means of an internal system of criteria management, critical control points, cold or hot chain control, energy efficiency monitoring and, above all, from a product quality control point of view. So that it can optimise processes based on the results.
Calibration gives you relevant and trustworthy information. A certificate is not just a piece of paper to be saved or a file to be stored in the cloud. It is an important source for decisions on the suitability of products, services or processes, whether or not a customer still trusts you, sustainability and energy efficiency decisions, etc. Calibration results should be reviewed, evaluated and appropriate measures put in place before proceeding with the application. If you don’t, you’re not on the right track.
Compared to the positive effects, calibration costs you absolutely nothing, and even more – it saves you a lot of money.
1.
You work with sensors, gauges, measurement systems. You decide where you want or need to regularly check your results against an independent benchmark – we call it a reference. The reference must be calibrated against a higher or primary benchmark or an international benchmark.
2.
The user must not also be the verifier, which is not the same as the metrologist. The metrologist must not also be the calibrator of the reference (except in accredited laboratories). So there are three different types of equipment and three different people. WHY? So that the result has a quantifiable level of confidence and measurement uncertainty. Accredited calibration laboratories must achieve a 95 % confidence level in the result.
3.
CALIBRATION is CONFIDENTIAL, but only if it is carried out by qualified personnel, with traceable measurement equipment, under controlled ambient conditions and taking into account all relevant contributions to uncertainty and implementation risks. The calibration must be reproducible and replicate the way it is used.
Aleksandra Lepenik I am the Quality Manager at ELPRO Calibration Laboratory, which has been operating since 2010. I have been working in the field of ISO and quality systems since 1997 and I see only advantages in quality systems. I believe that quality is all about continuous improvement in all areas: personal, professional and financial. I like to share my knowledge and experience with everyone.
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Read more: https://www.elpro.si/elpro-laboratorij-za-kalibracije/vprasanja-in-odgovori/
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