Sm852b 3 Phase Detector Sequence Rotation Measurement Meter Digital Display Accurate Tester Ac 60v-600v

--Check if there is open phase and identify 3 phase sequence condition.

--Portable and compact design, easy to carry.

--Fast and accurate measurement.

--Efficient, effective, reliable, easy and safe to use.

--One Unit with 2 Functions: Open phase indication & Phase rotation indication.

--Indicate phase orientation (clockwise or counter-clockwise) and whether each of 3 phases is live.