WTViewer 8.24 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. WTViewer lies within Education Tools, more precisely Science Tools.
UnivViewer.exe, WtViewer.exe and WtViewerFree.exe are the most common filenames for this program's installer. The most popular versions among WTViewer users are 8.1, 7.7 and 1.0. We recommend checking the downloaded files with any free antivirus. This tool was originally created by Yokogawa Electric Corporation.
From the developer:
WTViewer acquires numeric, waveform, and harmonic data from the WT3000/WT1800/WT500 Digital Power Analyzer via USB, Ethernet, GP-IB or serial communications (RS-232). WTViewer is an application that reads numeric, waveform, and harmonic data measured with the WT3000/WT1800/WT500 Digital Power Analyzer.
It lets you view waveforms on your computer, convert numeric or waveform data to a specified format, and store the data.
You may want to check out more software, such as WTViewerFreePlus, which might be related to WTViewer.