Tag Archives: calibration

“As found” calibration data – available for a fee?

Posted on January 11, 2013 by

Q: I have been an auditor of ISO/ANSI/ASQ 9001:2008 Quality management systems–Requirements since 1992 and recently began consulting hospitals who seek ISO 9001 certification. My experience with auditing to ISO 9001 is mostly in the manufacturing sector. When I audited against … Continue reading →

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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 →

Posted in ISO 17025 - Testing and Calibration Laboratories, ISO 9001 - Quality Management Systems, Metrology | Tagged , , , , , , | 2 Comments

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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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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Calibration of AutoCAD Software

Posted on June 4, 2012 by

Q: To what extent must an engineering firm, specializing in railway infrastructure and transportation, have its AutoCAD software “calibrated” or verified? Also, what about software designed to calculate earthwork quantities for railway alignments laid out on topographic mapping for all … 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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TS 16949 calibration management

Posted on April 10, 2012 by

Q: Under the standard ISO/TS 16949:2009 Quality management systems - Particular requirements for the application of ISO 9001:2008 for automotive production and relevant service part organizations – is it acceptable to allow an instrument user to request a calibration extension under certain … Continue reading →

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