STRI is a leading independent high voltage test laboratory based in Ludvika, Sweden. We serve manufacturers of electrical equipment worldwide with quality testing and trusted results.

Accredited according to ISO/IEC 17025, STRI provides independent and reliable high voltage, environmental, and temperature rise testing. We are a member of SATS and the Short Circuit Testing Liaison (STL).

Our world-class facilities enable full-scale testing of high voltage equipment under controlled indoor and outdoor conditions. With extensive practical and theoretical expertise, our test engineers ensure safe, efficient, and precise testing.

Trusted by major global manufacturers and operators — STRI delivers excellence in every test.

High Voltage. Highest Standards.

STRI

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STRI

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