SATEC EM920 Operation Manual - Manual (Page 45)

Chapter 3 Using Front Display
Data Displays
EM920 Power Quality and Revenue Meter 45
Phasor Display
The phasor display shows a three-phase network phasor
diagram. All phase angles are given relatively to the Va
channel.
Three-phase voltage and current phasor diagram
Setup Data Display
The setup data display shows basic device settings that can
be required for immediate inspecting while meter testing and
at the time of installation.
Device wiring mode (see Basic Meter Setup for full
list of wiring modes), external potential transformer
ratio and the nominal device voltage.
Primary ratings of the external current transformers
(main and auxiliary current inputs) and the nominal
device frequency
Power demand period (number of blocks x block
demand period), and voltage and ampere demand
periods.
Device Info Display
The device info display provides different service information
that may be required for meter identification and inspection,
like product and firmware information, batteries status,
operation time, communication settings, and so on.
NOTE
Always clear the meter operation time and fault counters
before putting the meter into operation. Clear the battery
operation time counters after replacing a battery. See
Reset
of Accumulators and Log Files in Chapter 6 for information on
how to clear the operation and fault counters in your meter.