Products
Transformer Turns Ratio Testers | Vanguard Instruments Co
Product description
Vanguard offers an extensive line of microprocessor-based, automatic single-phase and three-phase turns ratio testers that use the IEEE C57.12.90 measurement method. Vanguard’s three-phase turns ratio testers can automatically detect and test 130 transformer types defined by ANSI, CEI/IEC and Australian standards.