SATEC EM920 Operation Manual - Manual (Page 36)

Chapter 3 Using Front Display
Data Displays
36 EM920 Power Quality and Revenue Meter
Data Displays
The EM920 has 12 multi-page data displays listed in the
following table.
Display
Number
Display Label Display Contents
1 BILL 0 Present (0) billing period data
2 BILL 1 Last (-1) billing period data
3 BILL 2 Second previous (-2) billing period data
4 BILL 3 Third previous (-3) billing period data
5 MAX. DEMAND Engineering maximum demands
6 ENGINEERING Instrumentation data
7 WAVEFORMS Voltage and current waveforms
8 HARMONICS Voltage and current harmonics graph
9 PHASOR DIAGRAM Voltage and current phasors diagram
10 METER SETUP Basic meter setup data
11 DEVICE INFO Device service data
12 DIAGNOSTICS Device diagnostics messages
TEST Mode Data Display
The TEST data display is shown in TEST mode in place of the
billing period data displays. See
TEST Mode in Chapter 2 for
more information on operations in TEST mode.
TEST mode display:
test LED pulse rate in secondary Wh/imp;
test kWh and kvarh energy readings in primary units
with an extended 0.001 kWh resolution.
Extended press SCROLL + SELECT/ENTER can be
used as a shortcut for immediate entering the
password-protected TEST mode setup menu.
Billing Period Data Displays
The EM920 provides four billing data displays: one for the
present billing period and others – for three previous billing
periods. All displays have a layout shown in the following
picture.
Register type (total, or tariff rate number)
Measurement unit
Date and time of the last update
Billing period Billing register number