Fathom Radar

Introducing the Fathom RV tank sensor companion app! View live sensor data, customize settings, and configure everything from your phone..

Take full control of your RV tank system with a powerful, easy-to-use app designed for real-time monitoring and smart configuration.

Connect seamlessly to your Fathom tank sensors through a networked Bluetooth Hub and view live readings right from your phone. Whether you’re tracking fresh, gray, or black tanks, the app gives you accurate, up-to-date insights so you always know where you stand.

Setup is simple and flexible. Rename your Bluetooth Hub and Fathom sensors for easy identification, assign sensors to the correct tanks, and customize tank depth to match your exact setup. The app supports anywhere from 1 to 9 tanks, making it ideal for a wide range of RV configurations.

Stay informed with clear visual indicators and 1% level increments giving you confidence to know when tanks are nearing full or empty. With automatic reconnection and strong Bluetooth range (depending on installation), you can rely on consistent performance without constant troubleshooting.

Designed for convenience, the app allows up to three phones to connect at the same time—perfect for sharing access with family or travel companions.

Advanced features give you even more control. Trigger sensor auto-calibration directly from the app to maintain accuracy, view detailed sensor information, and perform over-the-air (OTA) updates for both sensors and the Bluetooth Hub to ensure you always have the latest features and improvements.

Key Features: • Real-time RV tank monitoring via Bluetooth Hub • Supports 1–9 tanks (up to 3 each: fresh, gray, black) • Rename and organize Bluetooth Hub and Fathom sensors • Assign Fathom sensors to specific tanks • Custom tank depth configuration • Strong Bluetooth connectivity (installation dependent) • Automatic reconnection for seamless use • Connect up to 3 app devices simultaneously • Fathom sensor auto-calibration from the app • View detailed sensor data and status • Over-the-air (OTA) updates for Fathom sensors and Bluetooth Hub

Whether you’re on a weekend trip or a full-time adventure, this app keeps your RV tank system smart, simple, and under control.