Vanguard Instruments Company, Inc.

Ontario,  CA 
United States
  • Booth: 1907

Company Description: Vanguard Instruments is a global manufacturer of microprocessor based test equipment to evaluate the condition of circuit breakers, transformers, potential and current transformers, capacitor voltage transformers, voltage transformers, protective relays, and vacuum bottles for the utility, OEM, industrial and service industries.


  • Circuit breaker timers
  • Single and 3 phase turns ratio testers
  • Current transformer test sets
  • Transformer winding resistance meters
  • Micrometers
  • Insulation resistance meters
  • Vacuum bottle testers
  • CVT testers