Split Phase - Dranetz HDPQ-DN-MVSTR Quick Reference Manual

Split Phase

When making split phase measurements, connect the voltage and
current as shown below. The Neutral is chosen as the reference for
measurement purposes. The figure also includes monitoring the Neutral
to Ground voltage. Neutral to ground measurements are important but
optional.
CAUTION Connections must be performed in compliance with all
safety requirements applicable to your installation.
NOTE Be sure to connect the current probe with the arrow on
the handle pointing towards the load or an erroneous
power reading will result.
Connections of the CT leg to ground is recommended,
but not required for proper operation.
Phasor Diagrams
180º
V
B
27
180º
0º
V
I
A
B
HDPQ-DN-MVSTR-102
0º
I
A