1. Suitable for all transformers below 240MVA heat run test and 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 temperature rising software that can manipulate testing data automatically.
9. Audio discharging alarm, discharge indication is clear.
Main operation interface for temperature rising testing:
Heat Run Curve:
Technology Specification:
TYPE
40E
20E
Output current
40A, 20A, 10A, 3A, 1A, 0.3A, 25mA
20A, 10A, 3A, 1A, 0.3A, 25mA
Testing range
0~40 kΩ
0~40 kΩ
Accuracy
0.2%±0.2μΩ
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
