IM 253401-01E
5-1
5
Measuring / Displaying V
oltage, Current,
Active Power
, Frequency
,
Four
Arithmetic Operation V
alue, Crest Factor and Peak V
alue
5.1
Measuring/Displaying Voltage, Current and
Active Power
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
V
VA
m
A
k
var
M W
TIME
V
PF
m
A
k
deg
M W
%
FUNCTION
AUTO
AUTO
MODE
1
Φ
3W
V
Hz
m
A
k
h
M W
TRIG
V RANGE A RANGE
HOLD
ENTER
INTEGRATOR
START
HARMONICS
MEMORY
INTEG SET
STOP
RESET
REMOTE
INTERFACE
OUTPUT
LOCAL
SETUP
h
SHIFT
WIRING
3
Φ
4W
3
Φ
3W
3V3A
ELEMENT
1
2
3
FUNCTION
ELEMENT
1
2
3
FUNCTION
ELEMENT
1
2
3
*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
1 Selecting the Display Function
Select either V (voltage), A (current) or W (power) by pressing the FUNCTION key.
Display
A
B
C
FUNCTION
V
A
W
VA
var
TIME
V
A
W
PF
deg
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
Wh
±
and Ah
±
will light twice. and are displayed on the top of display C.
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.
A
W
V Hz
A Hz
Wh
Ah
Ah
±
Wh
±
Wh
±
Ah
±
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
FUNCTION
& V
& A
*1
V
*1
*1
2 Selecting the Input Element
Select the input element by pressing the ELEMENT key.
W T 1 1 0
( 2 5 3 4 0 1 )
W T 1 3 0
( 2 5 3 5 0 2 )
W T 1 3 0
( 2 5 3 5 0 3 )
No such function
1
2
3
Σ
ELEMENT
ELEMENT
ELEMENT
ELEMENT
1
3
Σ
ELEMENT
ELEMENT
ELEMENT
3 Selecting the Measurement Range
You can select the voltage measurement range by pressing the V RANGE key, and the
current measurement range by pressing the A RANGE key. For more details, refer to either of
the following.
• 4.3 Selecting the Measurement Range in case of Direct Input, on page 4-4;
• 4.4 Setting the Scaling Value when External PT/CT is Used, on page 4-6;
• 4.5 Selecting the Measurement Range and Setting the Scaling Value when External Sensor
is Used (option), on page 4-8.
4 Selecting the Measurement Mode
Select the measurement mode by pressing the V RANGE (MODE) key after having pressed
the SHIFT key so that the SHIFT indicator is lit. For more details, refer to section 4.1 on page
4-1.
