n 3-phase systems as well as live and open/de-energized phases. Featuring an operating voltage of 75VAC to 1,000VAC and a frequency range of 45 Hz to 65 Hz, the phase order is determined as soon as ...

HD Electric Co.’s Phase Rotation Meter (PRM) is used to determine the leading phase of any two phases in a three-phase conductor system. The PRM is a dual-range 0 to 5 kV and 0 to 15 kV device that ...