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IM WT3001E-51EN
Thank you for purchasing the WT3001E, WT3002E, WT3003E, or WT3004E Precision 
Power Analyzer.
This Expansion Function User’s Manual contains useful information about the operating 
procedures and lists the handling precautions of the expansion functions. To ensure 
correct use, please read this manual thoroughly before beginning operation. After reading 
the manual, keep it in a convenient location for quick reference whenever a question 
arises during operation.
List of Manuals
The following manuals, including this one, are provided as manuals for this instrument. 
Please read all manuals.
Manual Title Manual No. Description
WT3001E/WT3002E/
WT3003E/WT3004E 
Precision Power Analyzer  
User’s Manual
IM WT3001E-01EN Explains all functions and procedures of 
this instrument excluding the expansion 
functions and communication functions.
WT3001E/WT3002E/
WT3003E/WT3004E 
Precision Power Analyzer 
Communication Interface  
User’s Manual (CD)
IM WT3001E-17EN Explains the functions for controlling 
this instrument using communication 
commands.
WT3001E/WT3002E/
WT3003E/WT3004E 
Precision Power Analyzer 
Expansion Function  
User’s Manual
IM WT3001E-51EN This manual. Explains the expansion 
functions of this instrument and their 
operating procedures.
WT3001E/WT3002E/
WT3003E/WT3004E 
Precision Power Analyzer  
User’s Manual
IM WT3001E-92Z1 Document for China 
  The “EN” and “Z1” in the manual numbers are the language codes.
  Contact information of Yokogawa offices worldwide is provided on the following sheet.
Document No. Description
PIM 113-01Z2 List of worldwide contacts
Note
•  The contents of this manual are subject to change without prior notice as a result of 
continuing improvements to the instrument’s performance and functions. The figures 
given in this manual may differ from those that actually appear on your screen.
•  Every effort has been made in the preparation of this manual to ensure the accuracy 
of its contents. However, should you have any questions or find any errors, please 
contact your nearest YOKOGAWA dealer.
•  Copying or reproducing all or any part of the contents of this manual without the 
permission of YOKOGAWA is strictly prohibited.
•  The TCP/IP software of this product and the document concerning the TCP/IP 
software have been developed/created by YOKOGAWA based on the BSD Networking 
Software, Release 1 that has been licensed from the University of California.
2nd Edition: October 2017 (YMI)
All Rights Reserved, Copyright © 2015 Yokogawa Test & Measurement Corporation