Downloads for F-940

Scott Trimble

April 18, 2022 at 1:08 pm | Updated August 17, 2022 at 6:37 pm | < 1 min read

F-940 Software & Firmware Downloads


Hardware Version

Hardware version is the middle digit of the Serial Number. For example, if the serial number is F-940-004-17001 then the hardware version is 4. Check the back of your instrument to find your serial number.


Subscribe to the Felix instruments Weekly article series.

By submitting this form, you are consenting to receive marketing emails from: . You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact


The latest release of firmware for the F-940 is v.

Download v. >


The “F-950 Package Setup” installs the latest versions of the Firmware Update Tool and F-950 Controller.

*This package is compatible with all F-920, F-940, F-950, F-960


Firmware Update Tool

Allows for installation of the newest firmware releases onto F-9xx units.

The latest firmware version can be downloaded below.



Software used for real-time monitoring and control of the F-9xx, as well as recalibration of F-9xx units.

We recommend using the F-9x_G.A.S Software instead of the F-950 Controller (See the link below)


G.A.S Software

This software is only compatible for hardware version 4 and higher.


Release Notes

The release notes provide specific information about what changes there are in the newest firmware version.


Firmware: v1.9.7.6 (May 2020)



Firmware: v1.9.7.4 (Nov 2019)



Firmware: v1.9.6.7 (Apr 2019)



Firmware: v1.9.6.5 (Feb 2019)



Firmware: v1.9.5.8 (Dec 2017)



Firmware: v1.9.5.4 (Aug 2017)



F-9x G.A.S Software



Release Notes

Request a quote for a Felix Product

Pricing and all related materials will be sent directly to your inbox.