SATEC EM920 Operation Manual - Manual (Page 42)

Chapter 3 Using Front Display
Data Displays
42 EM920 Power Quality and Revenue Meter
Ia-Ic THD maximum demand
Engineering Data Display
Engineering data represent general instrumentation data you
can use while installation and inspecting the meter. Use
phase angles displays to check the order of phases when
connecting wires to the meter terminals.
Phase-to-neutral voltages. Only displayed in 4-wire
configurations with a neutral.
Phase-to-phase voltages
Phase and neutral currents