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Overview
1.2 Features
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∆-Y and Y-∆ conversion functions provided
∆-Y conversion can be performed on three-phase 3-wire systems, and
Y-∆ conversion can be performed on three-phase 4-wire systems.
In either case, line-to-line voltage or phase-to-neutral voltage dis-
play is available.
Up to one month continuous measurement
Data is saved to internal memory during the measurement period.
Use of a PC card enables continuous measurement for one month
at maximum.
Time plot graph display
Fluctuations in various power quality parameters are displayed in
time plot graphs.
Calculated maximum, average and minimum values for each inter-
val are displayed.
Event detection function
1. Event detection using preset threshold settings
Events exceeding thresholds are detected by setting thresholds
for various power quality parameters.
Up to 100 events can be saved to internal memory.
Up to 1000 events can be saved on PC card.
Events that occur simultaneously are correlated and treated as a
single event.
2. Event Analysis
Confirm when and what kind of events have occurred from the
Event List.
Each event can be analyzed using waveforms, vectors, har-
monic bargraph and related parameter values.
3. External input and output of events
A signal can be output when an event occurs. Also, an exter-
nally applied signal can be set to be recognized as an event.
Easy-to-see TFT color LCD
The display is a 6.4-inch (640 x 480 dot) high-contrast, wide-view-
ing-angle TFT color liquid crystal display. The screen is easy to
see in both bright and dark environments, and is capable of show-
ing many power quality parameters at the same time.
RS-232C and LAN interfaces provided
Connect a PC, printer or modem for remote control and data out-
put.
PC Card interface provided
Measurement and event data can be preserved by saving to a PC
Card.
Setting conditions and measurement data can be stored and read
back using a PC Card.
Seven selectable display languages
Select the display language from English, German, French, Span-
ish, Italian, Chinese (Simplified) or Japanese.
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