WT5000 Precision Power Analyzer


This firmware is intended to upgrade the WT5000 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

Release Date Content Version
Mar 24,2020
  • Supports Data Streaming (/DS option).
  • Supports IEC Harmonic/Flicker Measurement (/G7 option).
  • Added new functions
    • Navigation menu and Gain/Phase correction for current sensors.
    • Web server.
    • Modbus/TCP and Raw Socket support.
    • Presets of User Defined function.
    • Touch operations
      • Time/div setting by pinch operation within waveform display.
      • Display Group setting by swipe operation within waveform display.
Oct 8,2019 The following issues are fixed:
  • An error may occur during communication connection with Yokogawa Data Acquisition System (e.g. GM) when used together with some optional functions.
  • The number of digits of some data may be insufficient when saving stored data in ASCII format.
  • Values for wiring units (ΣA, ΣB, ΣC) for watt hours by polarity (WP+, WP-) may not be accurate when measuring integrated power.
  • Some NULL values may not be updated when Sensor Ratio is changed.
Nov 16,2018
  • New release.



Please read Software Agreement carefully before downloading.


Version 2.02
Release Date Mar 24, 2020
File Name wt5000_202.zip 66.4 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

WT5000 - Precision Power Analyzer

  • Industry best measurement accuracy you can trust
  • Up to 7 swappable input elements plus 4 motor inputs for electrical and mechanical power and efficiency measurements
  • Harmonics test compliant to IEC 61000-3-2