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4.9
Computing the Efficiency (Applies to WT130
with ROM Version 2.01 or later)
Relevant Keys
Operating Procedure
Explanation
4-16
A
hour
SAMPLE
V OVER
A OVER
MODE
B
RMS
V MEAN
DC
C
hour
min
SCALING
AVG
FILTER
STORE
*Shows the operation panel of the WT130. For the differences
between WT110 and WT130, refer to section 2.2, page 2-2, 2-3
• Perform operations following the thick line in the below menu.
• Press the ENTER key to confirm the selection or setting.
• When you want to leave the current menu during operation, press the key described
under step 1. The confirmed settings made until that point will be kept.
Selecting the four arithmetical
operations function
1.
(Display C)
SETUP
2.
Setting the Wiring Method
The computing equation for efficiency changes according to the wiring method as indicated on
the next page. For the operating procedure, see section 3.9 "Selecting the Wiring Method (for
WT130)."
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
h
k
A
FUNCTION
ELEMENT
M W
h
RECALL
HARMONICS
(Display C)
4.
3.
ENTER
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
5
.
ENTER
End
IM 253401-01E
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