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ISO 17025 Certification

ISO 17025 Certification

ISO 17025

Conformity assessment- General necessities for the skill of testing and calibration laboratories


The purpose of this standard is to promote confidence in the operation of laboratories. This document contains requirements for laboratories to enable them to operate effectively, and created desired results.

This standard helps the laboratory to plan and implement actions to address risks and opportunities. Tending to the two dangers and openings become a reason for expanding the adequacy of the administration framework, accomplishing improved outcomes and forestalling negative impacts. The lab is liable for choosing which dangers and openings should be tended to. Applicability

This standard is material to all associations performing research center exercises, paying little mind to the quantity of work force.

Structural Requirement for Testing and Calibration Laboratories

The laboratory must define the organization and management structure of the laboratory and the relationships between management, technical operations and support services. The responsibility, authority and interrelationship of all personnel of laboratory activities must be defined. The laboratories must have personnel for:

  • Implementation, upkeep and improvement of the administration framework.
  • Identification of deviations from the administration framework or from the systems for performing research center exercises
  • Initiation of actions to prevent or reduce any deviations from standard procedure and process.
  • Reporting to lab the executives on the exhibition of the administration framework and any requirement for development.
  • Ensuring the adequacy of lab exercises.
  • Communication happens with respect to the viability of the administration framework and the significance of meeting clients’ and different prerequisites.
  • Integrity of the administration framework is kept up when changes to the administration framework are arranged and executed.
  • Development, alteration, check and approval of techniques.
  • Analysis of results, including articulations of congruity or feelings and translations.
  • Report, audit and approval of results.

Calibration Procedure

The laboratory must have a calibration program, which must be reviewed and adjusted in order to maintain confidence in the status of calibration. Measuring equipment shall be calibrated when:

  • Measurement exactness or estimation vulnerability influences the legitimacy of the detailed outcomes.
  • Calibration of the gear is required to set up the metrological discernibility of the detailed outcomes.
  • Measuring devices used for the direct measurement of the measure such as, use of a stopwatch to perform a time measurement.
  • Measuring devices used to make corrections to the measured value, e.g. temperature measurements.
  • Measuring devices used to obtain a measurement result calculated from multiple quantities.

All gear requiring adjustment unquestionable requirements a characterized time of legitimacy ought to be named, coded or in any case recognized to permit the client of the hardware to promptly distinguish the status of alignment or time of legitimacy.

Procedure for Testing and Calibration Laboratories

The procedure for Testing and Calibration Laboratories in standard as per:

  • Review of requests, tenders and contracts
  • Selection and verification of methods
  • Validation of methods
  • Sampling
  • Handling of test or calibration items
  • Technical Records
  • Evaluation of measurement uncertainty
  • Handling of test or calibration items
  • Technical records
  • Evaluation of measurement uncertainty
  • Ensuring the validity of results
  • Reporting of results
  • Specific requirements for test reports
  • Specific requirements for calibration certificates
  • Reporting Sampling, statement of conformities, opinions & interpretations etc.
  • Amendments to reports
  • Complaints and Appeals
  • Management reviews
  • Corrective and preventive action
  • Improvement
  • Actions to address risks and opportunities
  • Control of documents and records
  • Management system documentation



ISO/IEC 17025 was set up by the ISO Committee on conformity assessment (CASCO). It was flowed for casting a ballot to the national assortments of both ISO and IEC, and was endorsed by the two associations.

This third edition of ISO/IEC 17025:2017 cancels and replaces ISO/IEC 17025:2005, which was second edition of this standard.

The primary changes contrasted with the past version are as per the following:

  • The chance based speculation applied in this release has empowered some decrease in prescriptive prerequisites and their substitution by execution based necessities.
  • There is more prominent adaptability than in the past version, in the necessities for forms, systems, recorded data and authoritative obligations.
  • Definition of “research facility” has been included.

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