Applied Precision WS 2120 User Manual

Working Standard
User’s Guide
www.appliedp.com WS-UGFW619-EN
27
4.6 Energy Measurement and Test
4.6.1 Energy Values
This page shows measured and calculated energy values. Page is activated by key F1 of Load Values
page.
Active, reactive and apparent energies are accumulated beside the measurement and shown on this
page. Accumulation of these energies can be stopped and started again (key F3) or just restarted by
key F4.
Energy Values screen in WS 2320
* P43
Energy Values screen in WS 2120
* P52
List of displayed quantities:
ΣP ........ Sum of Active Powers
ΣQ ....... Sum of Reactive Powers
ΣS ........ Sum of Apparent Powers
cos φ, sin φ ........ Power Factor
E
P
........ Active Energy
E
Q
........ Reactive Energy
E
S
........ Apparent Energy
ΣE
P
...... Sum of Active Energies
ΣE
Q
...... Sum of Reactive Energies
ΣE
S
...... Sum of Apparent Energies
f ........... Frequency
L1xx .... Voltage Phase Sequence (L123 or L132)
L
I
1xx ... Current Phase Sequence (L
I
123 or L
I
132)
Control keys:
F1 ....... Graphical Presentation screens
F2 ....... Energy Test
F3 ....... Stop / start online energy accumulation
F4 ....... Clear energy registers
F5 ....... Menu
Online energy accumulation - Sum of Energies (resp. Powers) accumulate values from the beginning
automatically. With F3 button it is possible to suspend/resume accumulation.
When Energy Test screen is accessed these registers will be cleared but only if Test Initialization has
been carried out (see next chapter).

Applied Precision WS 2120 Specifications

General

Brand	Applied Precision
Model	WS 2120
Category	Measuring Instruments
Language	English