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Introduction I did not like the software provided with the Metex M3640D, and therefore, back in 1997, made a new program which suited me much better. It records one measurement over a period of up to 24 hours, and can manage, store and load up to records. The results can all be printed and copied into the Windows clipboard using resource-saving metafile graphics, and thus exported easily to other applications. It should work with device which use the "Metex 14 Byte Polling Interface", see here: http://www.mtoussaint.de/cdmm/doc/index.html Available models (2017) are the UNI-T UT61B and the Radio Shack 22-805.. Anyone who has Corel Draw can install the font 'LCD' and so produce an attractive-looking LCD-like display. Otherwise, the font Arial will be used. The software is made for my M3640D but may work with similar Metex meters as M38xx, M46xx, ME-11 and of course the same devices sold under different brands, e.g. the RadioShack 22-805. Here are examples of three curves for rechargeable Mignon batteries discharging into a 1.5V filament lamp. Cyan is a new NiMH cell, Red is a really old 1200mAh NiMH, and Green is an even older 500mAh NC cell.   And this is how printed and copied graphics should appear (reduced scale):       Download   This program is freeware. History: V1.01 (26th July 2000): - Bugfix: Runtime error 50003 removed - Bugfix: Autoscale in negative range now works  V1.04 (23th March 2004): - Bugfix: Files always saved with dot as decimal, loading works with dot and komma - Bugfix: graphic in clipboard not cropped - New: Files saved with semikolon as column mark - better for Excel import V1.06 (29th May 2010): - New: Compiled with VB6, so no more extra runtimes needed under Win2000, XP and higher - New: No more OCX required - New: Some right border when printing V1.07 (30th Aug 2010): - Bugfix: Crash on print or clipboard copy using high display resolution - New: Font size for printing and copy to clipboard reduced V1.08 (9th Feb 2014): - New: Instead of COM1..4 any available port can be selected Download: https://www.uwe-sieber.de/files/mscope.zip Under Win9x you might need the VB6 Runtimes. The source code is not in shape for publishing but maybe it's useful for someone: https://www.uwe-sieber.de/files/mscope_src.zip Here are interesting information (in German) about programming software for METEX DMMs: http://home.arcor.de/bernd_kunze/selfprog.htm A german 'how to' for making the connection cable: http://www.gerald-gradl.de/eprojects/multi/body_multi.html        last change: 23 Aug 2017 Uwe Sieber Home: https://www.uwe-sieber.de/english.html