High Quality Electrical Transformation Ration Meter Automatic Transformer Ratio Tester

High Quality Electrical Transformation Ration Meter Automatic Transformer Ratio Tester. Fully Automatic Testing: Integrates turns ratio, voltage ratio, vector relationship, and polarity testing in one device. High Precision Accuracy: Accuracy grade 0.5 with precise measurement ranges from 0.9 to 40000 turns ratio. 7-Inch Touchscreen: Features a high-definition color touchscreen for simple, keyboard-free operation. Comprehensive Protection: Includes reverse connection, short circuit, and tap changer protection for instrument stability. Extensive Data Storage: Stores 1000 sets of results with USB export capability for Excel compatibility. Tap Position Measurement: Accurately measures up to 99 tap positions including asymmetrical taps. Blind Test Function: Correctly measures ratio and connection groups even when transformer wiring is unknown. 1-Year Warranty: Comes with a 1-year warranty and dedicated after-sales service support.