Extech 480403 Motor Rotation and 3-Phase TesterExtech 480403 Phase Sequence and Motor Rotation Tester Phase Sequence and Motor Rotation Tester 2 in 1 meter Checks both phase sequence and motor rotation Key Features: Indicates rotation direction of the motor Determine rotation of a motor without contact Ensures that motor does not get damaged from incorrect wiring 40 to 600VAC rated test range for testing phase orientation of three phase power sources over 2 to 400Hz frequency range LEDs indicate
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