True Three-Phase Transformer Turns Ratio Tester
Features
Test voltages from 1 to 250 V AC
Single-phase test voltage
True three-phase test voltage
The best turns ratio accuracy of 0.03%
Automatic vector group detection
Built-in tap changer control unit
Detailed analysis of test results using DV-Win software
Interchangeable test leads with Three-phase Winding Ohmmeters & Tap Changer Analyzers TWA