ISO/IEC General requirements for the competence of for the competence of testing and calibration laboratories, and I would like. We should let ISO be guidance for the users of measuring equipment and let ISO G25//Z be for the calibration labs. ISO/IEC and the relevant requirements for calibration and testing uncertainties of measurement, to calibrate measuring and test equipment, to.

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An organization, for example, could have a quality management systems that is certified to ISO The Z has been an American National Standard since The main task of technical committees is to prepare International Standards.

Note 1 to entry: The laboratory and the client must fully understand and agree on the calibration or testing services provided.

Difference Between ISO/IEC 17025 and ISO 10012

Laboratories meeting the requirements of the Z do not necessarily meet the requirements of the and some accrediting bodies no longer state accreditation to Z on accreditation certificates.

The excludes this list but outlines corrective action procedures. Z was not written for testing laboratories. No other follow-up activities are addressed. Correctly applied measurement, wherever and however it occurs, is an essential element of a successful business QMS. The requires laboratories to establish and maintain a procedure for quality and capibration records.

Metrological requirements are usually distinct from, and are not specified in, product requirements. Note 3 to entry: The review is to determine the adequacy and effectiveness of the system. The work of preparing International Standards is normally carried out through ISO technical committees.

Guidance appears in italic typeface within a box after the appropriate requirement paragraph. Skip to content Q: Use in practice of accuracy values. Sorry, your blog cannot share posts by email. Even if the organization chooses to adhere to the requirements of ISOthe certification to ISO does not imply certification to the requirements of ISO The was written to include the requirements for both calibration and testing laboratories by demonstrating that the laboratory operates in a technically competent manner under the confines of a documented quality system producing valid results.


Both internal and externally generated documentation such as regulations, standards, procedures, test or calibrations instructions, drawings, software procedures, equipment specifications, and manuals are included. Although manufacturers may designate time periods over which products should perform without degradation, the makes clear that it calibrration the responsibility of the end-user organization to determine the appropriate calibration interval under the requirements of its own quality system.

ISO – Wikipedia

Management shall formulate goals for training, education, and skills. Organization When a calibration laboratory is part of an organization that performs other functions, both standards require that there be a separation between the additional activities of the organization and the calibration lab.

ISO describes the requirements callibration a quality management system that can be accredited a process comparable but different from certification.

The requires a comprehensive uncertainty analysis for all calibrations under the philosophy that traceability of a measurement cannot be established without knowing the expanded uncertainty. General principles and definitions. However if you are performing calibrations for other companies, and you are not accredited yet, I strongly recommend Z Calibration and Testing Services. It encompasses all aspects of the laboratory. The Z does not directly address opinions and interpretations.

ISO defines requirements for entire quality management system that can be accredited. The states that calibration lab managers shall ensure that personnel are competent to perform tests and calibrations. Interested parties can agree to use this International Standard as an input for satisfying calibratipn management system requirements in certification activities. Thehowever, requires internal audits to cover all the elements of the quality system and that cxlibration be planned under the quality manager according to a predetermined schedule.


NVLAP is currently in the process of developing the checklist for Z requirements not isoo in Denise Robitaille Vice Chair, U.

Difference Between ISO/IEC and ISO –

This standard has been accepted by Mutual Recognition Arrangement as the international standard for accreditation of calibration and testing laboratories.

Metrological confirmation is not achieved until and unless the fitness of the measuring equipment for the intended use has been demonstrated and documented. Except by agreement, this International Standard is not intended to add to, subtract from, or replace any requirements of other standards. The methods used for the measurement management system range from basic equipment verification to the application of statistical techniques in the measurement process control.

The is clearer, requiring written procedures for the control of all quality system documents with regards to approval, issue, review, and change. It specifies the quality management requirements of a measurement management system that can be used by an organization performing measurements as part of the overall management system, and to ensure metrological requirements are met.

Laboratories and their customers therefore need to consider four different situations in deciding which standard to apply.

The competence referred to in the title of the standard relates to the competence of the entire system — not just training of personnel. If calibrations are just a subsidiary aspect of your business, then spending the money to get accredited may not be necessary, especially if its for internal calibraation only.


Any changes or improvements to the system should be addressed in the review. Managing the Measurement SystemQuality Progress Discussion related to the importance and timing of equipment calibration. For testing services, only the applies.