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User's Manual
AC Clamp Meter + Phase Rotation Tester
Model 380974
Introduction
Congratulations on your purchase of the Extech 380974 AC Clamp Meter + Phase
Rotation Tester. This professional 1000A Clamp meter also provides phase rotation
testing where motor direction (clockwise or counter-clockwise) and phase sequences
(L1, L2, & L3) can be displayed. Careful use of this meter will provide years of reliable
service.
CAT III
600V
CAT III
600V
Hz