KX WW vs KX1 and KX2

Test of 3 LTZ KXs and 3458A@NPLC100 at 10V

7.1251777VDC on KX6-Wirewounds
7.1366051VDC on KX-metal box (offset 0.01142822)
7.1366182VDC on KX-metal-ikea battery (offset 0.0114405)

TCBOX is x.xx ppm/K

Result CSV-data from HP 3458A


* RPI accesses DMMs via GPIB and reads data.
* Data is formatted by python script into DSV string and written/append to file on FTP
* DSV-file is visible publicly on https://xdevs.com/datashort/
* Page http://xdevs.com/datalog_mm/ runs D3.js javascript library to read DSV file test.log to input data
* D3.js plots SVG graph online :)