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Voltech’s range of power analyzers come with free firmware available to download. Find the latest version here and download it for free.
Version :4.26
Release Date: February, 2012
Version History
Version 4.26
February, 2012
This version includes support for the USB (memory stick) and Ethernet options as well as menu languages (Simplified Chinese, French, German and Italian) and many other improvements.

We strongly recommend that you return your PM1000+ to a Voltech service center for upgrade since the upgrade procedure is not straightforward. A Voltech upgrade includes hardware upgrades to ensure that your PM1000+ conforms to the enhanced 2011 specification.
Version 4.23
October, 2009
Fixed problem with DC measurements when no AC signal applied
To download firmware click here
Contact us using the button above and request a free upgrade kit, part number 100-101
Version: 1.22.07RC5
Release Date: April, 2012
Version History
Version 1.22.07RC5
April, 2012
- Corrected 1 second steady state April 2012 measurement over correct number of half cycles
- Corrected problems with harmonic measurements by increasing decimation for affected filters.
- Corrections in line with IEC61000 software changes
Version 1.21.07RC2
February, 2010
- Fixed a problem with downloading user configuration files by ftp
- Fixed a problem with setting up frequency source of Ballast mode
- Fixed some problems with PM6000 remote commands
- Implemented some new remote commands
- Updated the online help of graph display and setup wiring
Version 1.20.06 RCA
June, 2008
- implemented Ethernet communications with IEC software
- Fixed a problem with the displayed calibration date
- Turned off inter-harmonics after running an IEC 61000-3-2 test
Firmware :
Firmware upgrade
PC Utility program:
Version : 2.22
Release Date : October, 2005
Version History
Version 2.22
Voltage Telephone influence Factor (TIF) and Current TIF implementda
Version 2.20
November, 2003
Made a change to fluctuating harmonics calculations to
avoid a theoretical overflow
Firmware :
Version : 2.09
Release Date : October, 2003
Version History
Version : 2.09
October, 2003
Changes mode to the manual verification point on the highest range
Version 2.08
Error fixed in DC measurements on channels 2 and 3 only