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8 RAYTECH Switzerland
IMPORTANT NOTE: Hooking up to a transformer:
The TR-1 & TR-1P protect against a wrong hook-up to a transformer or
testing a severely defective transformer. Every effort has been made to
alert the operator when something is wrong.
Negative (reverse polarity) hook up is also automatically detected.
Transformer Turns Ratiometer uses:
Transformer Turns Ratiometer is very useful as a tool for investigating
problems associated with the core, the windings, and the tap changer of
transformers and should be used for:
1. Identify shorted turns and finding turn errors
2. Defective and incorrect tap settings
3. Finding mislabeled terminals and mislabeled nameplates
Turns Ratio testing is a required test during the manufacture of
transformers.
Turns Ratio testing should be a part of a good routine preventative
maintenance program as well as for acceptance testing.
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