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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

Timing Alstom HGE 1014 Breaker
Timing Siemens CB at ISA Bacata Substation, Colombia
ABB Factory in Pariera, Colombia
Eskom Transformer Diagnostic Training at Spitskop, South Africa
Tri-Phase at Electtromeccanica, Milan
CVT Testing at Adelanto Substation, California
Tri-Phase Demo at Wilson Transformer in Malaysia
CT-8000 at LKH Switchgear in Malaysia
ATRT-03 S2 Training for ABB Service Center in Jakarta
Testing CB in Turkey