This dual-channel phase sequence tester independently collects two groups of line voltage signals to rapidly distinguish positive and reversed three-phase sequences without extra auxiliary testing gear. Its built-in vector rendering function visually presents 120° standard phase intervals, helping technicians avoid motor reverse rotation and transformer wiring faults during commissioning. The dual U1/U2 input ports support simultaneous comparison of primary and secondary side voltage phases of transformers, delivering consistent Class 0.5 precision across 45–65Hz grid frequency range. Compact handheld body and all-insulated test leads support all-day cabinet inspection tasks.
Check full phase sequence test operation tutorials via our official page:
https://www.gfuvegroup.com/protection-relay-tester/600v-20a-intellignet-digital-phase-angle-meter.html
#GFUVE #GF211D #PhaseSequenceTester #DualChannelMeter #TransformerWiringChecker
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