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When developing the new IoT-enabled X-Node gas detector, Dräger set itself the goal of doing away with displays and control buttons in favor of complete operation via a smart device app. The core task of our project team was to develop this Flutter app for Android and iOS. The specific requirements for the new app were a modern and clear design, an ideal user experience and an automated connection to the X-Node gas meter. A particular requirement was the regulatory-compliant mapping of metrological parameters in accordance with industrial standards. The result is an app that connects to the X-Node gas detector via Bluetooth Low Energy. The device uses selectable sensor elements to measure various gases as well as temperature, humidity and air pressure, reads out the values and presents them clearly - both in real time and with a logging function. Settings on the X-Node measuring device, such as adjusting alarm limits or adjusting the sensors, can also be made via the app. The project is still ongoing and the app is constantly being optimized.
