UNI-T UT261B Fa'asologa Fa'asologa ma le Fa'ailoga Fa'ailoga mo afi Fa'atonuga
Su'esu'e le tusi fa'aoga atoatoa mo le UNI-T UT261B Phase Sequence ma le Motor Rotation Indicator. Aoao e uiga i ona faʻamatalaga, galuega, faʻamatalaga saogalemu, ma faʻatonuga faʻagaioiga. Tausia lenei taʻiala taua mo faʻamatalaga i le lumanaʻi.