2. Product Safety Measures



 1. Before using the transformer turns ratio tester, be sure to read this manual carefully. 



 2. The operator of the instrument should have general knowledge of electrical equipment or instruments. 



 3. This instrument can be used both indoors and outdoors, but should avoid places with rain, corrosive gases, excessive dust, high temperature, direct sunlight, etc. 



 4. The instrument should avoid severe vibration. 



 5. Maintenance, care, and adjustment of the instrument should be carried out by professionals.



 6. During testing, it is prohibited to move the test clips and power supply lines.



3. Product Performance Characteristics and Technical Specifications 



 1. Main technical specifications and usage conditions are shown in the table below: Transformer Turns Ratio Tester Parameters



   Technical Specifications Instrument Parameters



   Technical Specifications       Measurement Range       0.9~10000



   Output Voltage AC220V or 80V 



   Instrument Power Supply AC220V±10%, (50±1)Hz



   Measurement Accuracy 0.9~2000 (0.2%±2 digits) 2001~10000(0.5%±2 digits)



   Instrument Weight 4Kg



   Operating Temperature -10℃~40℃ 



   Dimensions 320 mm×265mm×160mm



   Ambient Humidity ≤85%RH No Condensation