Di-Log DL9020N Phase Rotation Tester

Motor - A evice that converts electricity into motion

Battery - A device used for the storage of electricity

Hand - A part of the body at the end of the arm

Hand - A pointer which indicates time on a clock face

Instrument - A wide range of meanings from musical instrument to a measuring instrument

rotation - A circular motion of an object around a central axis

Rotary - something that revolves around an axis, for example an engine.

Ideal - Something that satisfies a perfect criteria.

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