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Home » Products » Transformer Testing Systems » Comprehensive Transformer Testing Systems » Automatic Transformer Tester

Automatic Transformer Tester

Automatic Transformer Tester
Automatic Transformer Tester
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Product Code : 6235 + 7721 + 6905
Brand Name : MICROTEST
Product Description

Our two decades of experience enable us to manufacture, supply and export highly reliable Automatic Transformer Tester. Our experienced and expert team of professionals has designed this tester with latest technology in the market. The quality of this tester is according to the international standards. Our Automatic Transformer Tester is capable of testing with multiple parameter settings. It has automatic level control and multi winding testing function. These testers are easy to operate. Our testers are available at affordable prices.



  • High accuracy

  • Durable for a long time period

  • User friendly interface

Automatic Transformer Tester

623x series + 7721+6905 (transfermoer tester+Impulse/Surge tester+Hipot tester)  3 in 1 comprehensive transformer testing system, the one-stop comprehensive transformer testing system is the only product adopted by major Japanese manufacturers.


  • Basic precision up to 0.1%
  • Test frequency up to 1MHz
  • Synchronous tests with multiple parameter settings
  • Able to test 30 items per second under fastest test speed
  • Optional Meter Mode function
  • High accuracy and stability


  • The fully programmable continuous test
  • Measurement items include Area under curve comparison, Area size comparison, Waveform comparison, Flutter, Corona
  • Automatic Level Control Function (ALC) 
  • 21 Channel test
  • With Multi Winding Test Function


  • Test items include (AC Withstand, DC Withstand, Insulation Resistance)
  • Rise time setting
  • User-friendly interface, easy to operate


Transformer Tester

Impulse/Surge Tester

Hi-Pot Tester






Max Frequency

 Impulse Voltage

Output Voltage V

200K Hz

500K Hz

1M Hz

 200 ~ 5000V Programmable

AC 100V ~5KV, DC 100V~6KV , IR 100V ~ 1000V

  • 6235 Transformer Tester
  • 7721 Impulse/Surge Tester
  • 6905 Hipot Tester

 Test Mode

 AC, DC , IR

 Test Channel

 2 Channel

 Measurement Data

 AC Hi-Pot

 100V ~ 5000V AC, 50 / 60Hz, 0.01 ~ 10mA   

 DC Hi-Pot

 100V ~ 6000V, 0.01 ~ 5mA   


 DC 100 ~ 1000V, 1M ~ 9.99GΩ   


 1 ~ 10mA   





 AC Withstand (Output Voltage V)

 100V ~ 5000V


±(3% of setting+5V)

 DC Withstand (Output Voltage V)

 100V ~ 6000V


±(3% of setting+5V)

 Insulation Resistance (Output Voltage V)

100 ~ 1000Vdc


±(3% of setting+5V)



 30 Sets   

 LCD Display

 320*240 graphic 

 Power Requirements

Voltage 115 / 230Vac ± 15%


Frequency  50 / 60Hz ± 5%

 Dimension (W*H*D)

 435x133x455 mm


 15 kg


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