TTR TESTER transformer ratio meter

Functions1. The voltage ratio measurement for three or singe phase transformer2. The group vector measurement for three phase transformer.3. The polarity measurement for single phase transformer or CT/PT4. Voltage ratio error calculation5. Current transformer ratio measurement6. Excitation current measurement in ratio testing7. Reproduction the AC test voltage from power source to reduce the effects of bad power source8. Save the test results in the memory internal the