Automatic Transformer Turns Ratio Tester (with Charging Function) Safety Measures
1. Be sure to read this manual carefully before using this instrument.
2. The operator of the instrument should have common knowledge of electrical equipment or instruments.
3. The instrument should be reliably grounded when in use.
4. The power supply of this instrument is internal lithium-ion battery or AC220V±10% 50/60HZ±1HZ
5. The instrument has high output voltage, so attention should be paid to safety to prevent electric shock.
6. This instrument can be used indoors and outdoors, but should avoid use in harsh environments such as rain, corrosive gases, excessive dust, high temperature, direct sunlight, etc.
7. The instrument should avoid severe vibration.
8. Maintenance, care, and adjustment of the instrument should be carried out by professionals.
9. The yellow, green, red, and black test clips correspond to the transformer's A, B, C, and O respectively. Do not reverse the high and low voltage cables.
10. For single-phase measurement, only use the yellow and black clips. Do not use them incorrectly, and unused test clips should be left suspended.
Automatic Transformer Turns Ratio Tester (with Charging Function) Product Features
1. Wide test range, up to 0.9 to 10000.
2. Fast test speed, completing three-phase test in 11 seconds.
3. Can test CT, PT, CVT, and Z-connected transformers.
4. Has blind test ratio and group test functions.
5. Multiple measurement methods, more convenient for fault diagnosis.
6. Non-volatile clock and date display, data storage for 480 groups, data not lost on power failure.
7. Large screen color LCD display, clear and easy to read data. RS485 communication interface and U disk storage interface.
8. The instrument has high and low voltage reverse connection protection, transformer short circuit and inter-turn short circuit protection, and power supply misconnection 380V protection.
9. Thermal printer printing function, fast and silent.
10. Small size, light weight.



