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Transformer Turn Ratio Tester TRT-IV

Transformer Turn Ratio Tester TRT-IV



TRT-IV is applied to measure the voltage ratio of three or single phase transformer. All the data and test results are showed on a 320*240 LCD. All the test results could be printed by the micro printer or saved on the storage of the tester. The tester has a good performance on auto protection and anti-disturb.


2. Advantage


1) Voltage ratio measurement of three or singe phase transformer


2) Group vector measurement of three phase transformer.


3) Polarity measurement of single phase transformer or CT/PT


4) Voltage ratio error calculation


5) Current transformer ratio measurement


6) Excitation current measurement in ratio testing


7) Reproduction the AC test voltage from power source to reduce the effects of bad power source

8) Save the test results in the memory internal the tester


9) Print the test results by micro printer


10) Reverse connection detect unit to prevent the high voltage injected to the operate


11) Over current protection in test voltage


12) Upload the test results to make word report by RS232 interface


3.Technical data


1) Ratio measurement range110000


2) Group measurement112


3) Phase measurement error1 degree


4) Ratio measurement error12000: ± 0.2%RDG; 200010000: ± 0.5%RDG

5) Test Voltage: up to 120V


5) Power supplyAC220V ± 10%, 50/60Hz

6) Humidity: ≤85%RH


7) Size 400*350*200 mm


8) Net weight 7kg

4. Accessaries



Test cable

2 units


Power supply cable

1 unit


Ground cable

1 unit



2 units


CD Disk & connection wire

1 unit



1 unit


Operating manual

1 unit

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