Table Of Contents - YOKOGAWA WT200 User Manual

Contents
Checking the Contents of the Package ........................................................................................... ii
Safety Precautions ......................................................................................................................... iv
Structure of this Manual ................................................................................................................. vi
Conventions Used in this Manual .................................................................................................. vii
Chapter 1 Functional Overview and Digital Display
1.1 System Configuration and Block Diagram ....................................................................... 1-1
1.2 Functions ......................................................................................................................... 1-2
1.3 Digital Numbers/Characters, and Initial Menus ................................................................ 1-5
Chapter 2 Names and Uses of Parts and the Overrange and Error Displays
2.1 Front Panel, Rear Panel and Top View ............................................................................ 2-1
2.2 Operation Keys and Function Display .............................................................................. 2-2
2.3 Displays in case of Overrange/Error during Measurement .............................................. 2-3
Chapter 3 Before Starting Measurements
3.1 Usage Precautions ........................................................................................................... 3-1
3.2 Installing the Instrument ................................................................................................... 3-2
3.3 Wiring Precautions ........................................................................................................... 3-4
3.4 Improving the Measurement Accuracy ............................................................................. 3-6
3.5 Connecting the Power Supply .......................................................................................... 3-7
3.6 Wiring the Measurement Circuit ....................................................................................... 3-8
3.7 Wiring the Measurement Circuit when Using External PT/CT ......................................... 3-9
3.8 Wiring the Measurement Circuit when Using the External Sensor ................................ 3-10
3.9 Turning the Power ON/OFF, Opening Messages ........................................................... 3-12
Chapter 4 Setting Measurement Conditions and Measurement Range
4.1 Selecting the Measurement Mode ................................................................................... 4-1
4.2 Selecting the Measurement Synchronization Source ...................................................... 4-3
4.3 Turning the Filter ON/OFF ............................................................................................... 4-4
4.4 Selecting the Measurement Range in case of Direct Input .............................................. 4-5
4.5 Setting the Scaling Constant when External PT/CT is Used ........................................... 4-8
4.6 Selecting the Measurement Range and Setting the Scaling Constant when External
Sensor is Used (option) ................................................................................................. 4-10
4.7 Using the Averaging Function ........................................................................................ 4-12
4.8 Using the MAX Hold Function ........................................................................................ 4-14
4.9 Using the Four Arithmetical Operation Function ............................................................ 4-15
4.10 Computing the Crest Factor ........................................................................................... 4-18
4.11 Computing the Average Active Power during Integration ............................................... 4-19
4.12 Selecting the Number of Displayed Digits ...................................................................... 4-20
Chapter 5 Displaying the Results of the Measurement and Computation
5.1 Displaying Voltage, Current, and Active Power ................................................................ 5-1
5.2 Displaying Apparent Power, Reactive Power, and Power Factor ..................................... 5-3
5.3 Displaying the Phase Angle ............................................................................................. 5-4
5.4 Displaying the Frequency ................................................................................................ 5-5
5.5 Displaying Peak Value, Four Arithmetic Operation Value, and Crest Factor .................... 5-7
IM 253421-01E
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Index
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