WT1800 High Performance Power Analyzer


This firmware is intended to upgrade the WT1800 to the latest version.


Please read installation procedures throughout before performing the installation.
Each zip file contains firmware program file and an installation procedure.

Revision History

Version Release Date Content
2.42 Sep 9,2016
  • Improved freeze phenomena during long period continuous measurement.
2.34 Apr 6,2016
  • Fixed Self-test command response issue.
2.32 Feb 4,2016
  • Improved integration function performance.
  • Added support for updated internal parts.

Previous version 



Please read Software Agreement carefully before downloading.


Version 2.42
Release Date Sep 9, 2016
File Name wt1800_242.zip 18.5 MB


Type Firmware* Registration is required to download.


* Software Agreement
  • The property rights, proprietary rights, intellectual property rights, and all other rights associated with the software are held by Yokogawa Electric Corporation.
  • Under no circumstances is any dumping, reverse compiling, reverse assembly, reverse engineering, or any other kind of alteration or revision of this software allowed.
  • This software is offered free of charge, but no unlimited warranties are made against any defects whatsoever.
  • Also, Yokogawa may not be able to accept inquiries regarding repair of defects in or questions about this software.
  • The contents of this software are subject to change without prior notice as a result of continuing improvements to the software\'s performance and functions.
  • Yokogawa bears no liability for any problems that may occur during download or installation of this software.
  • Use of the Yokogawa Web site is at the user\'s own risk.
  • Any parties contributing to the creation or distribution of the contents on the Yokogawa Web site shall bear no responsibility whatsoever for any damages occurring as a result of the use of said contents.

Downloading of the software indicates acceptance of the software agreement.

Related Products & Solutions

WT1800 High Performance Power Analyzer

The WT1800 Power Analyzer offers maximum flexibility with up to six wattmeter elements, high bandwidths, simultaneous high speed digitizing, and wide voltage and current ranges. Although this model is still available, the newer WT1800E offers higher accuracy.

WTViewer for WT210/WT230 (FREE)

Easily Acquire and Manage Power Measurement Data from Your PC