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IM WT1801-01EN
Thank you for purchasing the WT1800 Precision Power Analyzer. This manual contains useful 
information about the features of the WT1800. 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. The following manuals, including this one, are provided as manuals for the 
WT1800. Please read all the manuals.
Manual Title Manual No. Description
WT1800 Precision Power Analyzer 
Features Guide
IM WT1801-01EN This manual. The supplied CD contains the PDF 
file of this manual. This manual explains all the 
WT1800 features other than the communication 
interface features.
WT1800 Precision Power Analyzer 
User’s Manual
IM WT1801-02EN The supplied CD contains the PDF file of this 
manual. The manual explains how to operate the 
WT1800.
WT1800 Precision Power Analyzer 
Getting Started Guide
IM WT1801-03EN The manual explains the handling precautions and 
basic operations of the WT1800 and provides an 
overview of its features.
WT1800 Precision Power Analyzer 
Communication Interface 
User’s Manual
IM WT1801-17EN The supplied CD contains the PDF file of this 
manual. The manual explains the WT1800 series 
communication interface features and instructions 
on how to use them.
Notes
•  The contents of this manual are subject to change without prior notice as a result of continuing 
improvements to the instrument’s performance and functionality. The figures given in this manual 
may differ from those that actually appear on your screen.
•
  Every ef
fort 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 m
anual without the permission of 
YOKOGAWA is strictly prohibited.
•  The 
TCP/IP software of this product and the documents concerning it have been developed/
created by YOKOGAWA based on the BSD Networking Software, Release 1 that has been 
licensed from the Regents of the University of California.
Trademarks
•  Microsoft, Internet Explorer, MS-DOS, Windows, Windows NT, and Windows XP are either 
registered trademarks or trademarks of Microsoft Corporation in the United States and/or other 
countries.
•
  Adobe and 
Acrobat are either registered trademarks or trademarks of Adobe Systems 
Incorporated.
•  In this manual, the ® and 
TM symbols do not accompany their respective registered trademark 
or trademark names.
•  Other company and product names are trademarks or register
ed trademarks of their respective 
holders.
Revisions
•  1st Edition: February 2011
•  2nd Edition: August 2011
2nd Edition: August 2011(YMI)
All Rights Reserved, Copyright © 2011 Yokogawa Meters & Instruments Corporation