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Megger OTD Oil Tan Delta Test Set
Megger OTD oil tan delta test set for transformer and switchgear insulating oil.
Megger OTD oil tan delta test set for transformer and switchgear insulating oil. Tan delta on the oil itself shows contamination and ageing that a breakdown voltage test can miss. Used alongside dielectric strength testing to build a picture of oil condition rather than a single pass mark.
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