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Accuracy is our passion, reliability is our business!


In today's world energy efficiency will gain higher importance than ever.


Reliability and accuracy in measuring of high voltages and high currents for various applications helps our customers keeping on track with today's regulations and expectations in a high efficient energy generation and distribution.


Classical electrical engineering with plenty of experience since 1957 in combination with modern electronics development secures highest accuracy and maximum reliability in high voltage testing.


EPRO's standard transformers offer the world´s highest accuracy combined with stability over decades, EPRO's automatic measurement systems offer highest accuracy combined with maximum user comfort.