Wuhan Longdian Electrical Equipment | LDHL-100A Contact Resistance Tester

For more information contact:
Wuhan Longdian Electrical Equipment
303 Optics Valley Avenue, Donghu Development Zone, Wuhan City
303 Optics Valley Avenue, Donghu Development Zone, Wuhan City
international
China
___-___-____
2652729744@qq.com

http://www.cnehv.com


Nowadays Power Systems widely use model QJ44 DC double arm bridge to measure contact resistance while the minimum current of such model is 1mA which hardly find the decrease of cross-sectional area of transformers

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