UV-A Tester is a free Android application developed by Alcochem Hygiëne B.V. that allows you to measure UV-A radiation with your smartphone. The app is designed to work with a mobile UV-A tester that can be connected to your phone through the mini jack plug.

With UV-A Tester, you can accurately measure the intensity of UV-A radiation and determine whether the environment is safe for you or not. The app provides real-time measurements and displays the results on your phone screen. It also allows you to save the measurements and view them later.

The interface of the app is simple and easy to use, making it accessible for anyone. The app is a great tool for people who work in industries that require them to be exposed to UV-A radiation, such as construction workers, painters, and welders. It is also useful for anyone who wants to monitor their exposure to UV-A radiation and take necessary precautions to avoid any harm.