YOKOGAWA WT110 User Manual

IM 253401-01E
4-16
4.9 Computing the Efficiency (Applies to WT130
with ROM Version 2.01 or later)
Relevant Keys
SCALING
AVG FILTER
STORE
RECALL
HARMONICS
SAMPLE
V OVER
A OVER
MODE
RMS
V MEAN
DC
A
B
C
hour
hour
min
min sec
VVA
m
Ak
var
MW
TIME
VPF
m
Ak
deg
MW
%
FUNCTION
AUTO AUTO
MODE
1Φ3W
VHz
m
Ak
h
MW
TRIG
V RANGE A RANGE HOLD
ENTER
INTEGRATOR
START
HARMONICS MEMORY INTEG SET
STOP RESET
REMOTE
INTERFACE OUTPUT
LOCAL
SETUP
h
SHIFT
WIRING
3Φ4W
3Φ3W
3V3A
ELEMENT
123
FUNCTION ELEMENT
123
FUNCTION ELEMENT
123
*Shows the operation panel of the WT130. For the differences
between WT110 and WT130, refer to section 2.2, page 2-2, 2-3
Displays
relevant
keys and
indicator
Operating Procedure
ENTER
3.
SETUP
1.
ENTER
4.
2.
5
.
• 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
(Display C)
(Display C)
End
Explanation
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)."

YOKOGAWA WT110 Specifications

General

Brand	YOKOGAWA
Model	WT110
Category	Measuring Instruments
Language	English