free_keithley

Free measurement / plotting software for Keithley 2015 THD multimeter

Utilities

THD measurement: THD/THDN and distortion of each harmonic
THD vs Power
Vdc logger
THD vs Freq.
Freq. response plot

Requirements

python 3.10+
matplotlib
python-pyserial
tkinter (tk)
python-heapdict

Usage

python thd_vs_power.py

python thd_vs_freq.py

or..

python freq_resp.py

python logger.py

python thd.py

python fft.py

Screenshots

Donations

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If you wish to make a donation, please click the above button or just send money to scim.spreadsheet@gmail.com via PayPal, choosing "Goods and Services". Paypal is preferred over Patreon.

Thank you!

Keithley 2015 limitations

https://www.head-case.org/forums/topic/21432-the-keithley-2015-and-2016-audio-analysing-multi-meters-guide-to-behaviour-limitations-and-issues/