Voltage transfer, test 1 initial burnin

Test of MM's A9 LTZ1000ACH 7.18460898 reference, 24.3 temperatures, K2400 15v powered. Readings 3458A@NPLC200

First test

TCBOX is 0 ppm/K ±?ppm pink noise
TCModule is xx ppm/K
3458A TC is ~0.6 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 :)

Setup photo: