1

The voltage ratio measuremen t for three or singe phase transformer

2

The group vector measuremen t for three phase transformer.

3

The polarity measuremen t for single phase transformer or CT/PT

4

Voltage ratio error calculation

5

Curren t transformer ratio measuremen t

6

Excitation current measuremen t 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 operator

11

Over curren t protection unit integrated in software and hardware

12

Upload the test results to PC by RS232 and make word report by software

1

Ratio measuremen t range:1~10000

2

Group measuremen t:1~12

3

Phase measurement error:1 degree

4

Ratio measurement error:1~2000 ± 0.2%RDG   2000~10000  ± 0.5%RDG

5

Test voltage:0~80V 

6

Power supply:AC220V ± 10%, 50Hz/60Hz   

7

Size 400´350´200  mm3     Weight 7kg  Humidity: ≤85%RH