SKF Microlog ATEX Zone 2 GX firmware version 4.01

The SKF Microlog ATEX Zone 2 GX firmware v4.01 is compatible with the CMXA 75 SKF Microlog ATEX Zone 2 GX series.
  1. Click here to download the firmware files (155 MB). Once saved to your PC, extract the contents of the ZIP file and select autorun.exe.
  2. A password is required to install the file. Click here to fill out and submit the password request form. SKF Customer Service will then email you the password. If you do not receive a password, please contact Customer Service at

Your default email program will be used to submit the password request form. If your email program does not launch successfully when you submit the form from the link above, please email the information below to receive the password.
  • Name
  • Email address
  • Company
  • Address
  • Phone number
  • SKF Microlog serial number
  • SKF Microlog unit ID number 

If you are unable to use this online service to download the ATEX Zone 2 GX version 4.01 firmware release, please contact SKF Technical Service at 1-800-523-7524.

Note: Customers who use Check to Conformance (CTC) and Analysis and Reporting Manager (ARM) v1.0x should note that the SKF Microlog firmware version 4.01 CTC is not compatible with ARM v1.0x. Customers wishing to upgrade to v4.01 and use the CTC module must upgrade their ARM software to v2.0. This upgrade is available to our Product Support Plan (PSP) customers at no charge.  Please let us know if you would like to inquire about purchasing a PSP for your ARM v1.0x software to receive this update.
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