![Transformer On-Load Tap-Changer Tester](https://d27wgn5g4t3wja.cloudfront.net/products/1c543dd5-aae6-4b67-a3e4-e4461404438d/456897.png)
Transformer On-Load Tap-Changer Tester
HTBYC-4000 / 257 - Wuhan Huatian Electric Power Automation Co., Ltd. (Huatian)
Mainly used for measurement transformer with load pick up switch transition waveform, transition time, instantaneous transition resistance value, three-phase synchronism and so on.