End-user license agreement

Grant of license

Smartlux SARL (the copyright holder) grants you a license to use the software “Simple Data Logger”, subject to the conditions listed below.

Free licenses

Personal, non-commercial use of the basic functionality of this software is free. This functionality is available without a license key.

Use of the software in any type of organization (including academic
institutions and non-profit organizations) does not fall under personal use.

Paid licenses

If you do not qualify for a free license or if you want to use the full functionality of this software, you must purchase a paid license. One paid license is required for each device installation or instance of this software that you wish to use simultaneously.

You may not rent, lease, or otherwise share your license keys. You may make a one-time permanent transfer of your license key provided that you remove it from all your copies of the software.


You may not redistribute this software or any part thereof without our express permission.


You may not modify, translate, reverse engineer, reproduce, decompile, disassemble (except as expressly permitted by law), create derivative works of the software or remove any proprietary notices or labels.

Fitness for purpose

Smartlux SARL cannot guarantee that this software is suitable for a certain application. It is your responsibility to test and evaluate this software and to ensure that its use does not violate any laws in your jurisdiction. This software is not certified for use in legal metrology.

Safety-critical use

You will only install this software on computers where it cannot cause any significant damage. You will never use this software in safety-critical systems.


No software is ever completely error-free. Smartlux SARL shall be liable only in case of malicious intent or gross negligence.

This license is governed by Luxembourgish law.

Version 2022.2.0, published on December 31, 2022.