Transformer Winding Resistance Tester

  • JYR-40D/20D Heat Run Tester
JYR-40D/20D Heat Run Tester

JYR-40D/20D Heat Run Tester

  • Resistance Test Rang: 0 ~ 40Ω
  • For all transformers below 240MVA
  • For Temperature Rising Testing
  • Max. Output Current: 40A
  • Product description: 1. Suitable for power transformers winding resistance testing. 2. Printing temperature rising data automatically. 3. With double power supply, can test high voltage side and low voltage side simulta
  • INQUIRY

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

Heat Run Curve