1GOhm xDevs.com 1G standard measurement, 3458A XFER@NPLC100Vertical span +/-0.275ppm from 10VDC to match 0.55ppm transfer stability spec.
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/
* D3.js plots SVG graph online :)