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Microprocessor-based./ Automatic./ Single and 3 Phase./ Portable./ Lightweight./ Rugged./ Self-Calibrates before each measurement./ Also measures excitation current and phase angle./ 20 charachter x 4 line back-lighted LCD display./ Results can be printed immediately on a built in 4.5 inch thermal printer./ Store up to 200 transformer test records in Flash EEPROM, reach record may contain up to 99 ratio, excitation current, phase angle, and nameplate voltage readings./ Downloadable to PC (Windows based software package included./ Able to create a test plan for a specific transformer.

Vanguard ATRT03 Portable, lightweight, automatic, three-phase transformer turns-ratio meter.