The handling is easy and fun. Values ​​correspond to my droplet test results. The app has a 0,25er scaling for NO2, fine is apparently on a stick not possible. The exact value of 0.1, for example so you get further out with the JBL NO2 Test droplets. For a first impression and to action to recognize but it was good enough. PH will turn decimals displayed exactly Could not be better. A database containing all the measurement results would be even more super.
