UNI-T UT261B 3 Phase Sequence Rotation Indicator Tester Meter , Determining 3-Phase Power Phase Sequence, Missing Phase Indication, and Motor Phase Rotation UT-261B

UT261 series is used for determining 3-phase power phase sequence, missing phase indication, and motor phase  rotation (UT261B). UT261A and UT261B can measure AC voltage of 40~700V and 90~600V respectively.  These devices can operate in frequency range of 15~400Hz. UT261 are durable devices which can withstand impact from 2 meter’ s height. Test leads with protective tubing are included in optional accessories.

Specifications Range UT261B
AC voltage (V) 90V~600V √
Frequency (Hz) 15Hz~400Hz √
Working current (A) <3mA Features Phase sequence indication LED Missing phase indication LED Motor rotation indication LED General Characteristics Power 9V battery (6F22) Product color Red and grey Product net weight 180g Product size 123mm x 71mm x 29mm Standard accessories Battery, test lead with alligator clip x 3