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5A 10A 20A 50A 100A Transformer Testing Kit Micro Ohmmeter with Built-in Printer

Advanced Instruments Co.,Limited

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Address: Hi-tech Developing Industrial Area, Liuyang City,Changsha,Hunan Province,China

Contact name:Sandy

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5A 10A 20A 50A 100A Transformer Testing Kit Micro Ohmmeter with Built-in Printer

Country/Region china
City & Province changsha hunan
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Product Details

Introduction:

  • When the transformer is cross-connected, overhauled or some of its switches are changed, direct current resistance testing of the transformer winding is necessary;
  • In general, to measure the transformer winding or large power output indicator equipment, the traditional electrical bridge method and pressure drop method require much time and energy.
  • Thus, to shorten the measurement time and reducing the workload of testers, we developed rapid direct current resistance tester, which is designed with new power supply technology and stable performance, fast measurement, compact, easy to use, high accuracy, good data reproducibility.
  • This Micro Ohmmeter is an ideal equipment for measuring transformer winding and large power output inductor equipment.

 
Features:

  • It is used for testing, installing and exchanging the semi-finished or finished transformer.
  • This Micro Ohmmeter can effectively help you to find disfigurements in the manufacturing of transformer, such as the winding choosing, welding, loose joints, missing shares and hidden danger in the running.
  • It is suitable for large-scale transformer above240MVA in temperature rising tests.
  • 840MVA transformer low-voltage direct-resistance tester completed within 2 minutes and the data is stable and accurate.
  • Dual-channel shows the measurement data at the same time.
  • Each interval of 60 seconds automatically print data.
  • This Micro Ohmmeter is equipped with temperature conversion software, curve waveforms.

 

Specifications:

ItemWRT-2AWRT-5AWRT-10AWRT-20AWRT-40AWRT-100AWRT-20S
Test current2A5A10A20A40A25A,50A, 100A

Single phase: 1A,5A,10A,20A, 40A

Three phase: 1A, 5A, 10A, 20A

Measuring range

1μΩ~

4.5kohm

1μΩ~

20kohm

1μΩ~

20kohm

1μΩ~

10kohm

1μΩ~

10kohm

50μΩ-200mΩ(100A)

 

100μΩ-400 mΩ(50A)

 

200μΩ-800 mΩ(25A)

Single phase:

10mΩ~20Ω(1A)

1 mΩ~4Ω(5A)

1 mΩ~2Ω(10A)

1 mΩ~1Ω(20A)

1 mΩ~0.5Ω(40A)

 

Three-phase:

10 mΩ~6Ω (1A,each phase)

1 mΩ~1Ω (5A,each phase )

1 mΩ~0.6Ω (10A,each phase )

1 mΩ~0.3Ω (20A,each phase )

Resolution1μΩ 
Max. Error0.2%RDG+2D 
Voltage output20V 
Resolution1μΩ 
Power supplyAC220V±10%% 50Hz/60Hz 
Working environment-10℃-+40℃ RH≤85% 
 

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