Test 4 of Strannik LTZ module

Test 4 (Connect U5.2 direct to U1.4) of LTZ module for Strannik with VPG ebay seller over 3458A@NPLC100 2

DCV NPLC100, AZER ON

TCBOX is ~x ppm/K


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