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A message from Doble about COVID-19
We can be reached at our original phone number:

(909) 923-9390

Vanguard Instruments Co., (VIC), was founded in 1991. Currently, our 28,000 square-foot facility houses Administration, Design & Engineering, and Manufacturing operations. From its inception, VIC’s vision was, and is to develop and manufacture innovative test equipment for use in testing substation EHV circuit breakers and other electrical apparatus.


Field Pictures

CB Testing at UluSoy Elektrik, Turkey
DigiTMR Training in Turkey
TNB ATRT/WRM Training and Delivery
Testing CB in Salamanga, Mexico
Transformer testing in India
Testing CT in Indonesia
ESKOM Substation Crew in South Africa
Testing Transformer in California
THIBIDI Test Station in Vietnam
Engineers Dinar and Nuraida at PLN Substation, Indonesia