Fluke 5790A vs Wavetek 4920M vs 3458A

Comparison of Fluke 5790A vs Wavetek 4920M vs HP 3458A on ACV function

Sine 1.0 VRMS 1000Hz from modified HP 3245A feed into all meters
3458A: ACV 1.0, NPLC 100, SETACV SYNC, LFILTER ON, NDIG 8
5790A: ACV 2.2, DFILT ON, FINE, SLOW, EXTGRD ON, HIRES ON
4920M: ACV 1.0, RESL7, FILT100Hz, AVG8


Result CSV-data

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 :)