Fina ltest for CM KX1

CM KX1 module, temperature test, DMM tempco check, GPIB code running on DE1-SoC + NI GPIB-USB-HS FC

3458's , K2002-4 have TCV = <0.05 ppm/K

Config : LTZ1000A, LT1013ACN8, 1K AE XB BMF, 14K BMF, Edwin PWW 120R, 70K 70K, Temp-Corr 226 Kohm
Output : ADA4522-2, VHD200 20K/7.663K + 8-resistor trim network ()
Powered by K2306 +12.6V (~42.2mA) and K2400 at -12.6VDC ~-4mA, LT3042 onboard used
PID settings: KP=140, KI=0.1, KD=0.9, Max TEC voltage = 10.5V, Max TEC Current = 1.3A, YSI 44006 current = 100E-6 A

Reference levels:
LTZ1000A Module FX3 REF = 9.999996 VDC ;

Result CSV-data


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