DMM Data Logger

DMM Data Logger is a digital multimeter datalogger for Mastech MS8229 and for Voltcraft VC-820 (untested).

The Mastech MS8229 needs a hardware hack explained step by step at hw2sw.com.
DMM Data Logger supports all the LCD display commands such as "HOLD" and "RELATIVE". Plots real time graph that can be saved as bitmap.
All the data is beeing outputed as a CSV file which can be later used by Excel - Open/Libre Office.