http://www.powertransformersblog.com/2009/05/determining-oil-level-in-oil-filled-transformers-with-no-gauges/ by MIDWEST Electrical Testing, Menomonee Falls, Wisconsin Tue, 19 Jul 2016 17:58:55 +0000 hourly 1 https://wordpress.org/?v=4.4.11 http://www.powertransformersblog.com/2009/05/determining-oil-level-in-oil-filled-transformers-with-no-gauges/comment-page-1/#comment-76591 Wed, 16 Jul 2014 11:41:56 +0000 http://www.powertransformersblog.com/?p=35#comment-76591 An infrared camera is an excellent way to do this and they are now very inexpensive. As long as the oil/silicone filled transformer is energized, you can get an accurate level.

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