1. Suitable for all transformers below 240MVA heat-run testing and DC winding resistance testing.
2. Printing heat run data automatically.
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 heat run software that can manipulate testing data automatically.
9. Audio discharging alarm, discharge indication is clear.
TECHNOLOGY SPECIFICATION:
TYPE |
JYR-40D/ 20D |
|
|
output current: 40A, 20A, 10A, 3A, 1A |
output current: 20A, 10A, 3A, 1A |
Testing range |
0~40Ω |
0~40Ω |
Accuracy |
0.2%±0.1μΩ |
0.2%±0.2μΩ |
Output voltage |
DC50V |
DC50V |
Minimum resolution |
0.01μΩ / 0.1μΩ |
|
Power supply in operation |
AC220V±10%, 50Hz±1Hz |
|
Temperature in operation |
-20~40℃ |
|
Relative humidity |
≤80%RH, No forming dew |
|
Volume |
Length 410 mm Width 440 mm Height 210 mm |
|
Net weight |
15.7 kg |
|
Temperature rising timing rate |
10”,30”,60” are optional |