UNI-T UT225A Operating Manual Download | Manualshive

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P/N:110401111865X

　

UT225A

UT225A

UT225A

Transformer Turns Ratio Receiver

Flex Clamp Sensor

Low Voltage Transformer Turns Ratio Tester

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Summary of Contents for UT225A

Page 1: ...P N 110401111865X UT225A UT225A UT225A Transformer Turns Ratio Receiver Flex Clamp Sensor Low Voltage Transformer Turns Ratio Tester...

Page 2: ...ard Condition 4 VI Technical Parameters 5 VII Application 6 1 Power On Off 6 2 Setting of Transformer Turns Ratio and Ratio Difference 6 3 Testing of Transformer Turns Ratio 6 4 Data Lock Storage Unlo...

Page 3: ...ironments with concentrated cables making it a safe accurate and portable measurement meter for technicians The application of the tester can create significant economic and social benefits for power...

Page 4: ...primary and secondary loop current of current transformer by using CT1 and CT2 conduct signal processing amplification filtering and A D conversion and then input to the central processing unit of the...

Page 5: ...Hz 5Hz 45Hz 65Hz External electric and magnetic fields Shall be avoided Position of measured conductor Place the measured conductor at the center of the clamp jaws VI Technical Parameters Function Ide...

Page 6: ...groups Sampling rate 3 times per second Battery voltage If the battery voltage is lower than 4 8V the symbol is displayed to indicate replacing battery Overload indication The symbol OL A is displayed...

Page 7: ...s continuously to indicate auto power off The tester automatically powers off after the LCD flashes continuously for about 30 seconds If the LCD flashes continuously press so as for the tester to cont...

Page 8: ...sformer ratio and ratio difference converted at secondary current of 5A For example set the transformer ratio at 150 5A test in phase positive circuit the primary current is 150 5A secondary current i...

Page 9: ...in phase Er Failure to identify normally This may be caused by low current amplitude co frequency signal interference or others 4 Data Lock Storage Unlock When is pressed during testing the displayed...

Page 10: ...specification and polarity rejoin the battery cover and then tighten the screws VIII Precautions 1 Do not place or keep the tester in environments with high temperature high humidity dews and direct...

Page 11: ...sed as a reason for using the product for special purposes The company is not responsible for other losses caused by use The company reserves the right to modify the contents of the user manual If the...

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