Table of Contents
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Contents
Checking the Contents of the Package............................................................................................. ii
Safety Precautions .......................................................................................................................... vii
Regulations and Sales in Each Country or Region ........................................................................ xiii
Symbols and Notation Used in This Manual .................................................................................. xiv
Workflow ........................................................................................................................................ xvi
1.1
Front Panel, Rear Panel, and Top Panel .......................................................................... 1-1
1.2
Displayed Items ................................................................................................................ 1-5
1.3
Digital Numbers and Characters ...................................................................................... 1-7
1.4
Keys ................................................................................................................................. 1-8
1.5
Auto Range, Overrange, and Error Indications During Measurement ............................ 1-12
1.6
System Configuration ..................................................................................................... 1-14
2.1
Handling Precautions ....................................................................................................... 2-1
2.2
Installing the Instrument ................................................................................................... 2-3
2.3
Connecting the Power Supply .......................................................................................... 2-7
2.4
Turning the Power Switch On and Off .............................................................................. 2-9
2.5
Precautions When Wiring the Circuit under Measurement .............................................2-11
2.6
Assembling the Adapters for the Voltage Input Terminals .............................................. 2-17
2.7
Wiring for Accurately Measuring a Single-phase Device ................................................ 2-19
2.8
Guide for Selecting the Method Used to Measure the Power ........................................ 2-20
2.9
Wiring the Circuit under Measurement for Direct Input .................................................. 2-21
2.10
Wiring the Circuit under Measurement When Using Current Sensors ........................... 2-38
2.11
2.12
Connecting to a PC via USB (Installing WTViewerFreePlus) ......................................... 2-52
3.1
Key Operation and Functions ........................................................................................... 3-1
3.2
Entering Values ................................................................................................................ 3-3
3.3
Initializing the Settings ...................................................................................................... 3-4
4.1
Setting the Measurement Ranges .................................................................................... 4-1
4.2
Configuring the Wiring System Settings (Only on the WT332E/WT333E) ....................... 4-4
4.3
Displaying the Voltage, Current, and Active Power on the WT310E/WT310EH .............. 4-5
4.4
Displaying Voltages, Currents, and Active Powers on the WT332E/WT333E .................. 4-6
5.1
External I/O Connector Pin Arrangement and Pinout ....................................................... 5-1
5.2
Controlling This Instrument Remotely .............................................................................. 5-4
5.3
Producing D/A Output ....................................................................................................... 5-5
IM WT310E-02EN
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