We are a Family Business with long tradition.

The Company was established in 1957 as Austrian subsidiary of Messwandlerbau GmbH.

A management buy-out took place in 1994 and EPRO GALLSPACH GMBH was founded.

Epro Gallspach GmbH stands for high accuracy measurement systems and products for power distribution in high voltage with a high durability.

We distinguish ourselves for flexibility and customer orientation. We are not producing massproducts, our high accuracy, innovative and customized Systems are used in international laboratories, institutes and HV test bays all over the world.

EPRO's standard transformers offer the world´s highest accuracy and are used in lots of national metrological institutes like PTB Germany, INMETRO Brasil, VMI Vietnam and many more.

Our high accuracy measurement System TRAFO TEST is built completely modular to reach a maximum in flexibility combined with high accuracy.

It´s the first full automatic transformer test system what is approved by PTB Germany as full system.

Our latest development is the ITTD Series- Tan Delta measurement on insulation materials has never been this easy, fast and comfortable.

We are ISO 9001 certified and calibration authority to ISO 17025.

EPRO Gallspach GmbH services

Calibration Service