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Certificates and accreditations


  • DIN EN ISO / IEC 17025
  • Traceability of the calibration standards to national standards


  • All WPD test facilities are approved by the Physikalisch-Technische-Bundesanstalt, Braunschweig (PTB) for the performance of tests / calibrations / verifications and accredited according to DIN EN ISO / IEC 17025.
  • Design of the mobile test equipment complies with the safety regulations according to GGVS and VAwS
  • Implemented management system for safety, health and environmental protection in accordance with SCCP
  • Neutral specialized company according to VAwS and fulfills with your test and calibration equipment the requirements for the repair company according to § 72 EO-AV (calibration regulations)

DAkkS accreditation

  • Accreditation


  • Specialist company according to WHG
  • ISO 9001:2015
  • Safety Certificate Contractors

State Office for Metrology and Verification

  • Authority for repairers
WPD Wartungs- und Prüfungsdienst GmbH

Your experts for maintenance, testing and calibration of high-precision liquid measuring systems

WPD Austria
Leuna workshop
Speyer headquarters