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accreditation 17025

Accreditation

Accredited testing laboratory according to DIN EN ISO/IEC 17025

The GWP Society for Materials Testing mbH operates according DIN EN ISO/IEC 17025: Apr 2018st, accredited testing laboratories.

The accreditation confirms the German Accreditation Bodythat our testing laboratories meet international requirements for competence, quality assurance and reliability of testing.

Our accreditation covers the conformity assessment activities defined in the related annexes and confirms that our testing procedures are carried out according to recognized standards, validated methods and under controlled quality conditions.

In doing so, we not only meet the requirements of DIN EN ISO/IEC 17025, but also relevant legal and regulatory requirements for testing laboratories. The requirements for the management system correspond to the quality principles of DIN EN ISO 9001.

The accreditation was granted as part of an official accreditation procedure in accordance with the European regulation. Regulation (EC) No 765/2008 granted by DAkkS.

Accreditation number:
D-PL-19907-01-00

Related accreditation facilities:

  • D-PL-19907-01-01

  • D-PL-19907-01-02

  • D-PL-19907-01-03

The accreditation is valid in conjunction with the corresponding accreditation certificate dated 19.02.2026.

Decision rule

A decision rule in the context of measurement uncertainty and conformity assessment describes how the measurement result (including its uncertainty) is used to make a decision about whether a test object meets a specification or not.

Unless otherwise agreed: When evaluating the measurement results in relation to the specified limit values, the following decision rule is applied:

OK (okay)
→ If the measured value within the specified measuring range lies, including tolerance limits

green

 

conditionally OK
→ If the measured value is close to a specification limit, so that taking into account the measurement uncertainty a border crossing cannot be ruled out, but also not certain.

yellow blue

 

not OK (not in order)
→ If the measured value is outside the specified range, and even taking into account the measurement uncertainty conformity is no longer given.

red