DAkkS accredited laboratory at Isabellenhütte


Calibrations by DAkkS laboratories allow users to trust in the reliability of measurement results. At the same time, they increase confidence in the competitiveness of national and international markets. Within the framework of quality management, they form the basis for controlling measurement and test equipment.

The German accreditation system was converted on January 1, 2010 pursuant to Regulation (EC) no. 765/2008.  The accreditation body of the "Deutscher Kalibrerdienst" (DKD), with which the Isabellenhütte had been accredited since 1982, became the German accreditation body – the Deutsche Akkreditierungsstelle GmbH (DAkkS) – with effect from 17.12.2009.

DAkkS is now the national accreditation body for the Federal Republic of Germany. It acts in the public interest in accordance with Regulation (EC) no. 765/2008 and the German Accreditation Act (AkkStelleG) as the sole provider of accreditation services in Germany.

DAkkS tests the tester

DAkkS is appointed by the German government to provide accreditation of laboratories, inspection and certification bodies (known as conformity assessment bodies).

As an independent body, DAkkS examines, confirms and monitors the technical competence of these bodies, the services of which are required in virtually all areas of trade and industry. Customers range from small laboratories to multi-national companies.

Accreditation confirms to the laboratories, etc. that these bodies are carrying out their activities with technical competence and in compliance with applicable requirements.

Isabellenhütte, calibration laboratory for 32 years, accredited by DAkkS since November 2014

In 2014, in order to meet the new requirements while maintaining its tried and tested characteristics, the Isabellenhütte invested a mid six-figure amount in hardware, software and personnel. The laboratory was completely rebuilt, resistance measuring methods were re-implemented and new calibration procedures for measuring currents were added.

In this way, the Isabellenhütte guarantees that it has the necessary competence to perform calibrations in compliance with DIN EN ISO/IEC 17025:2018 on behalf of customers in the following areas:

Electrical measured values

Direct current and low frequency measured values

  • direct voltage
  • direct current intensity
  • direct current resistance

Thermodynamic measured values

Temperature measured values

  • resistance thermometers
  • thermocouples
  • direct reading thermometers

The DAkkS temperature calibrations are carried out according to following procedures of Calibration Guide of Deutscher Kalibrierdienst (DKD), published by the Physikalisch-Technischen Bundesanstalt:

  • DKD-R 5-1:2018 for resistance thermometers and direct reading thermometers with resistance sensor and
  • DKD-R 5-3:2018 for thermocouples and direct reading thermometers with thermocouple sensor.

Please find the measurement range and conditions as well as the expanded uncertainties of measurement in the annex to our accreditation certificate.

DAkkS Accreditation D-K-19500-01-00