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Vol 15, Issue 1, 2025
Pages: -
Professional paper
Metallic materials
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Professional paper Metallic materials

THE INFLUENCE OF EXPANDED MEASUREMENT UNCERTAINTY IN THE STATEMENT OF CONFORMITY FOR HAND TORQUE TOOLS CALIBRATION

By
Branka Muminovic ,
Branka Muminovic

Institute "Kemal Kapetanović" in Zenica, University of Zenica , Zenica , Bosnia and Herzegovina

Omer Beganovic ,
Omer Beganovic
Contact Omer Beganovic

Institute "Kemal Kapetanovic" in Zenica, University of Zenica , Zenica , Bosnia and Herzegovina

Sinha Korlat-Mahmić ,
Sinha Korlat-Mahmić
Contact Sinha Korlat-Mahmić

Institute "Kemal Kapetanović" in Zenica, University of Zenica , Zenica , Bosnia and Herzegovina

Alma Čelebić-Malkić
Alma Čelebić-Malkić
Contact Alma Čelebić-Malkić

Institute "Kemal Kapetanović" in Zenica, University of Zenica , Zenica , Bosnia and Herzegovina

Abstract

The BAS EN ISO/IEC 17025 standard gives the laboratory the opportunity to accredit the statement of conformity. The statement of conformity is provided in accordance with the specification, standard or costumer requirement. Prior to issuing the statement of conformity, the accredited laboratory, in cooperation with the costumer, must document the decision rule to be applied taking into account the level of risk associated with the decision rule. This paper describes the procedure for calibrating hand torsion tools with measurement uncertainty assessment, a practical example of calibration with a statement of conformity in terms of two possible decision rules and the risk that will be accepted by the laboratory or the costumer.

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