Vanguard WRM-40 - Manual (Page 19)

REV 3 WRM-10P AND WRM-40 USER’S MANUAL
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Figure 9. Typical WRM Connections Diagram #3
NOTE
The above figure illustrates the simultaneous testing of both the high and low
windings on a single-phase transformer. When measuring two channels, the above
cable connection is recommended since it will speed up the testing process.
Figure 10. Typical WRM Connections Diagram #4