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IM 253401-01E

5-1

Measuring / Displaying Voltage, Current, Active Power, Frequency,

Four Arithmetic Operation Value, Crest Factor and Peak Value

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

hour

min

min sec

VVA

var

TIME

VPF

deg

FUNCTION

AUTO AUTO

MODE

1Φ3W

VHz

TRIG

V RANGE A RANGE HOLD

ENTER

INTEGRATOR

START

HARMONICS MEMORY INTEG SET

STOP RESET

REMOTE

INTERFACE OUTPUT

LOCAL

SETUP

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

1 Selecting the Display Function

Select either V (voltage), A (current) or W (power) by pressing the FUNCTION key.

Display

FUNCTION

VAW

VA var

TIME

VAW

PF deg

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.

V Hz A Hz Wh

AhAh±

Wh±

Ah±

FUNCTION FUNCTION FUNCTION FUNCTION

FUNCTION

FUNCTIONFUNCTIONFUNCTIONFUNCTION

FUNCTION

2 Selecting the Input Element

Select the input element by pressing the ELEMENT key.

WT110

(253401)

WT130

(253502)

WT130

(253503)

No such function

123Σ

ELEMENT ELEMENT ELEMENT ELEMENT

13Σ

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.

Brand	YOKOGAWA
Model	WT110
Category	Measuring Instruments
Language	English

YOKOGAWA WT110 User Manual

Table of Contents

Questions and Answers:

YOKOGAWA WT110 Specifications

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