UT261A is used for determining 3-phase power phase sequence and missing phase indication. It can measure AC voltage of 40~690V, and can operate in frequency range from 15~400Hz. UT261A is a durable device that can withstand impact from 2 meters’ height.
UT-261A Features:
AC Voltage Range: 40V-690V
Frequency Range: 15Hz~400Hz
Working Voltage (A)< 3mA
Phase Sequence Indication
Missing Phase Indication
Motor rotation indication