3-Phase Transformer Ratio Tester Quote Darui Electric recommends: Product Introduction:
The YQ-2010B overcomes the limitations of traditional bridge methods, featuring a large color LCD display, intuitive operation, single-connection three-phase testing, high speed, high accuracy, and comprehensive protection.
Safety Measures:
◆ Read the user manual carefully before using the instrument. ◆ Operators should possess basic electrical knowledge. ◆ The instrument must be reliably grounded. ◆ Input: AC220V±10%, 50/60Hz±1Hz ◆ High voltage output — beware of electric shock. ◆ Avoid rain, corrosive gas, dust, high temperature, and direct sunlight. ◆ Avoid severe vibration. ◆ Maintenance should be performed by qualified personnel. ◆ Clamps: Yellow=A, Green=B, Red=C, Black=O. Do not reverse. ◆ Single-phase test: Use only yellow and black clamps.
Product Features:
◆ Measurement range: 0.9–10000. ◆ Fast testing speed — three-phase test takes only 11 seconds. ◆ Suitable for CT, PT, CVT, and Zigzag transformer testing. ◆ Blind-spot-free ratio and vector group testing. ◆ Multiple fault diagnosis modes. ◆ Non-volatile clock, stores up to 480 data sets. ◆ Large color LCD display, RS485 communication, USB interface. ◆ Reverse connection, short circuit, and 380V misconnection protection. ◆ Thermal printer — fast and quiet printing. ◆ Compact and lightweight.
