Highest ratio: 0.8 - 15,000
Built-in 4.5" thermal printer
Excitation current measuring
Phase angle measuring
Name-plate turns ratio calculation
Computed % error based on measured and
Input power: 85-264 VAC;
110-370 Vdc and 12 Vdc car battery
Automated phase switching
The ATRT-03A is an AC/DC-powered 3-phase, transformer turns-ratio tester. The ATRT-03A can operate from a wide range of voltages and from various power sources including 85 to 264 VAC; 110 to 370 VDC; and 12 VDC (car battery).
Vanguard Instruments Company Inc., 1824 East Elma Court, Ontario, CA 91764. Tel: 909-937-6850; Fax: 909-937-6851.