Manufacturer's recommendation

Manufacturer's recommendation of calibration intervals for GOSSEN METRAWATT brand measuring and test equipment


The PROFITEST MASTER operating manual contains the following recommendation, for example:

"In the case of high demands on the measuring accuracy as well as in construction site use with frequent transport stress and large temperature fluctuations, we recommend a relatively short calibration interval of 1 year.

If your measuring device is mainly used in laboratory operation and indoors without stronger climatic or mechanical stresses, then a calibration interval of 2-3 years is usually sufficient."

A "proper" calibration cycle is important to continuously prove the compliance of the test equipment with the specified quality and hereby verify the past measurement results. The risk of erroneous measurements should be minimized and resulting follow-up costs avoided. The relevant standards only contain references such as "at specified intervals" or "regularly". But what does this mean and on what basis can a decision be made? Calibration is a quality assurance measure and economic factors are of secondary importance - from a compliance point of view, this statement is certainly correct. The management, on the other hand, has the task of avoiding or reducing costs without affecting quality.

You can find out how to find the right calibration interval without losing sight of the economic factors in the calibration interval and legal requirements sections


We would also be happy to advise you on finding the optimum calibration interval for your test equipment. 

Contact: Tel.: +49 911 817718-0 / E-Mail:


Are you already familiar with the instruction book for the "Elektrofachkraft" (parts 1 and 2 in German language) and the instruction book for "Medizintechnik" Gossen Metrawatt GmbH?

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Details about the order you can find here.

If you have any questions, please feel free to write to us or use our contact form.

GMC-I Service GmbH

Telephone:+49 911 817718 - 0

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