The ‘ZORN D plus 2025’ app can be used free of charge together with the ‘ZORN ZFG D plus’ Ligth Weight Deflectometer from ZORN INSTRUMENTS. The test device is used to verify the compaction quality of soils. It enables fast, reliable testing by means of wireless operation. With this app, you receive the measurement data on your mobile device (wireless). You can view and compare the measurement data, add project data and create complete test reports (from Android 5.1 and iOS 11.0). The app can only be used with the ‘ZORN ZFG D plus’ Ligth Weight Deflectometer (device and electronic). Older app versions are not compatible.