Easy to install, beyond the service life of the transformer, five years warranty

Tiancheng patent products, patent number ZL03262649.5，ZL2009 2 0245226.2

100% sealing material from Germany Franst Joost. Excellent sealing performance

There are two ways to take oil samples: oil samples can be isolated under the condition of air, or oil samples can be taken directly with a measuring cup

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