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1957:
In the time since 1957 till the year of 1994 EPRO was the Austrian Site of German MWB (Messwandlerbau) Group. Due to the very high lifetime of the products the name MWB still is present in a lot of high voltage test bays around the world.
1994:
Management Buy Out and founding of EPRO Gallspach GmbH by the management team. Start of production under name of EPRO on 1st of November 1994 with 17 employees.
2006:
New production building for new fully automatic plant for cast resin insulators. Investment in a complete new mixing and casting plant together with accessories for production as gelation ovens etc. Expanding of the capacity by more than 100%.
2009:
First Certification according to the international well known ISO 9001 system. Since this date in a 3-year interval the certification was prolonged sucessfully.
2010:
Accreditation as calibration authority according to ISO 17025. Since this time EPRO is able to supply its own standard transformers with ISO 17025 calibration certificate and offers calibration service for existing equipment for voltage transformers, current transformers.
2012:
Certification of EPRO ring core transformers and EPRO Test Bay Equipment according to Russian GOST Standard. EPRO Devices can be used in official measurement institutes in countries referring to GOST standard (i.e. Russian Federation and several countries of former Soviet Union).
2013:
Ready to market of EPRO Fully Automatic Transformer Test System. First Demo System installed in EPRO Laboratory, followed from first customer of the system in Germany.
2014:
PTB Calibration for EPRO Measurement System. First Fully Automatic Transformer Test System accredated by PTB as a complete System and not as a combination of separate devices. Accuracy far better than EPRO's works data.
2016:
Delivery of the world is first 800/v3kV inductive standard voltage transformer to the national metrologic institute of Germany - Physikalisch-Technische Bundesanstalt PTB. It will be used as national and international voltage standard.