SATEC EM920 Operation Manual - Manual (Page 43)

Chapter 3 Using Front Display
Data Displays
EM920 Power Quality and Revenue Meter 43
Total powers and power factor
Voltage unbalance, %
Current unbalance, %
Line frequency
Phase voltage THD
Indicate phase-to-phase voltage THD in line-to-line
configurations
Phase current THD and TDD
Short-term and long-term voltage flicker