The moving coil indicators and a phase
angle adjuster are used to monitor changing power factor conditions on
ir-reversible balanced load systems.
The power factor is indirectly
determined by measuring the phase angle φbetween current and voltage (both
sinusoidal). However the indicators are calibrated in values of cosine of the
angle φ. These meters offer several advantages in Switchboard & Generating
Set panels.Number of meters can be mounted in Panel Cut out (Mosaic
Mounting).The Bezel, glass and dial can be easily replaced.