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5.3
Measuring/Displaying Four Arithmetic
Operation Value, Crest Factor and Peak Value
Relevant Keys
Operating Procedure
Display
Explanation
5-4
A
hour
SAMPLE
V OVER
A OVER
MODE
B
RMS
V MEAN
DC
hour
min
C
SCALING
AVG
FILTER
*Shows the operation panel of the WT130. For the differences
between WT110 and WT130, refer to section 2.2, page 2-2, 2-3
1 Selecting the display Function
Select either (four arithmetical operations, crest factor), (voltage peak value) or (current
peak value) by pressing the FUNCTION key.
FUNCTION
FUNCTION
V
A
C
FUNCTION
*1
&A
FUNCTION
FUNCTION
*1
&V
Wh± and Ah± will light twice.
You can reverse the order by first pressing the SHIFT key followed by the FUNCTION key.
*1 Displayed on WT110/WT130 with ROM version 2.01 or later.
2.Selecting the Input Element
To measure or display the peak value, press the ELEMENT key of display C and select the
input element.
The procedure is the same as shown on page 5-1.
Measureing/displaying peak value
is displayed at the front of display C for both voltage and current.
• If the function is set to "V," the peak value of the voltage is measured and displayed.
• If the function is set to "I," the peak value of the current is measured and displayed.
Displaying the result of the four arithmetical operation abd the crest
factor
When display C is set to , the result of the computing equation specified in Section 4.7 or the
crest factor specified in Section 4.8 is displayed.
However, if the value of display B function is less than 0.0001% of the rating, "- - oF - -" is
displayed for the computation result.
min
m
V
VA
1
2
3
var
k
A
FUNCTION
ELEMENT
M W
TIME
m
V
PF
1
2
3
k
A
deg
FUNCTION
ELEMENT
M W
%
sec
m
V
Hz
1
2
3
k
A
h
FUNCTION
ELEMENT
M W
h
STORE
RECALL
HARMONICS
FUNCTION
FUNCTION
W
V Hz
FUNCTION
*1
Ah±
and
are displayed on the top of display C.
AUTO
AUTO
Displays
V RANGE A RANGE
HOLD
relevant
MODE
TRIG
keys and
ENTER
indicator
INTEGRATOR
START
STOP
RESET
HARMONICS MEMORY
INTEG SET
REMOTE
LOCAL
SETUP
INTERFACE
OUTPUT
SHIFT
1Φ3W
3Φ3W
WIRING
3Φ4W
3V3A
FUNCTION
A Hz
Wh
FUNCTION
FUNCTION
Ah±
FUNCTION
Wh±
FUNCTION
Wh±
FUNCTION
Ah
IM 253401-01E
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