Tag Archives: iso 17025

Difference Between ISO/IEC 17025 and ISO 10012

Posted on September 12, 2012 by

Q: I am updating the instrumentation section of a product fabrication specification to replace a cancelled military specification (MIL-STD 45662) that specified calibration systems requirements.  I am looking for an industry standard that provides requirements/guidance for documentation of our established … Continue reading →

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ISO 9001 7.6a Calibration and Traceability

Posted on August 24, 2012 by

Q: ANSI/ISO/ASQ Q9001-2008 Quality management systems — Requirements, clause 7.6a states, in part: “Where necessary to ensure valid results, measuring equipment shall a) be calibrated or verified, or both, at specified intervals, or prior to use, against measurement standards traceable … Continue reading →

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Accuracy of Measurement Equipment

Posted on July 12, 2012 by

Q: I work for an incoming quality assurance department. In our recent audits, the auditor claimed that high precision machines such as the Coordinate Measuring Machines (CMM) and touchless measurement system should have higher Gage Repeatability and Reproducibility (GR&R) values … Continue reading →

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ISO 17025 Clause 5.4.2 – Selection of Methods

Posted on June 26, 2012 by

Q: We are working with the Mexican Accreditation Entity (EMA) for certification to ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories. Clause 5.4.2 states: The laboratory shall confirm that it can properly operate standard methods before introducing the tests … Continue reading →

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ISO 17025; rounding measurements

Posted on May 31, 2012 by

Q: At the lab I work for, certified to ISO 17025:2005 General requirements for the competence of testing and calibration laboratories, the documented quality assurance system does not allow the rounding of numbers. For example, the requirement for the weight … Continue reading →

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Using the 10:1 ratio rule and the 4:1 ratio rule

Posted on May 4, 2012 by

Q: Can you explain when I should be using  the 10:1 ratio rule and the 4:1 ratio rule within my calibration lab? We calibrate standards as well as manufacturing gages. A: First, I will use the right nomenclature. What the … Continue reading →

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Measurement tolerances and techniques

Posted on May 3, 2012 by

Q: I am looking for some information regarding blueprint tolerances and measurement tools used to measure certain features. For example, can the same type of tolerance be applied over the length of 450 mm as it could be for a … Continue reading →

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ISO 17025 certified facility

Posted on April 30, 2012 by

Q: We have a specification that states test reports shall be from an facility certified to ISO 9001:2008 Quality management systems–Requirements. Our test reports are from a facility certified to ISO/IEC 17025-2005: General requirements for the competence of testing and calibration … Continue reading →

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