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The on-load tap changer is the only moving part connected with the transformer circuit so more and more attention has been paid to the detection of the on-load tap changer.In the electrical equipment handover and preventive test regulations it is required to check the action sequence of on-load tap changer measure switching time etc.This device is mainly used for measuring the transition waveform transition time transient resistance of transformer on-load tap changer three-phase synchronism etc.

product names：On - load tap - changer tester transformer on - load tap - changer tester transformer on - load switch tester

• 1、Instrument output current light weight

• 2、Two current output wider test range higher stability

• 3、It can calculate the transition resistance value and transition time value automatically

• 4、Has the perfect protection circuit the reliability is strong

• 5、5.7 "large LCD display easy to operate on site

• 6、With usb flash disk storage function you can store more data waveform

• 7、The keyboard and the one-key flying shuttle operate independently making the instrument operate more quickly and conveniently