Vanguard Instruments Company
Booth: #2257
Vanguard Instruments is a global manufacturer of microprocessor-based test equipment to evaluate the condition of circuit breakers, transformers, potential and current transformers, protective relays, and vacuum bottles for the Utility, OEM, Industrial, and Service industries.
Vanguard’s products consist of the following categories:
• Circuit breaker time/travel analyzers
Five different models that can be operated with or
without a laptop.
• Single and three phase transformer turns ratio test sets
(3) single-phase models & (3) three-phase models
• Transformer winding resistance meters
2)10 amp
models & (1) 40 amp model
• Current transformer test sets – ratio, polarity,
saturation, etc.
(3) models, one of which does
all 5 taps automatically
• Vacuum bottle test sets
(2) 60 KV models & (1)
80 KV model
• Relay test sets
• Micro-Ohmmeters
(10) models, (5) models output
filtered DC to avoid tripping the station differential
relay
• Insulation resistance meters (5kv megohm-meter)
Vanguard Instruments Company
1520 South Hellman Ave.
Ontario, CA 91761
Ph: 909-923-9390
Fax: 909-923-9391
