1. Suitable for all transformers below 240MVA temperature rising (heat-run) testing and DC winding resistance testing.
2. Printing temperature rising data automaticly.
3. With double power supply, can test high voltage side and low voltage side simultaneously and test any operation respectively.
4. With anti breakage protection function of inductive test items.
5. Deriving data by U disk to forming curve of temperature rise by computer.
6. With 485 communication interface which can inter-connect with computer.
7. With protection function for mis-connection operation to AC380V.
8. With temperature rising software that can manipulate testing data automaticly.
9. Audio discharging alarm, discharge indication is clear.
TECHNOLOGY SPECIFICATION:
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TYPE |
JYR-40D/ 20D |
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|
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output current: 40A , 20A ,10A ,3A, 1A |
output current: 20A ,10A ,3A, 1A |
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Testing range |
0~40Ω |
0~40Ω |
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Accuracy |
0.2%±0.1μΩ |
0.2%±0.2μΩ |
|
Output voltage |
DC50V |
DC50V |
|
Minimum resolution |
0.01μΩ 0.1μΩ |
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|
Power supply in operation |
AC220V±10%, 50Hz±1Hz |
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|
Temperature in operation |
-20~40℃ |
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|
Relative humidity |
≤80%RH, No forming dew |
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Volume |
Length 410mm Width 440mm Height 210mm |
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|
Net weight |
15.7 kg |
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Temperature rising timing rate |
10”,30”,60” are optional |
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