Test of KX LTZ1000 BOX reference, various box temperatures, battery powered. Readings 3458A@NPLC200

Result CSV-data from HP 3458A

Workflow:

* 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/log_ltzb_3458/ runs D3.js javascript library to read DSV file test.log to input data
* D3.js plots SVG graph online :)