Bluetooth Fuel Flow Gauge
Know Exactly How Much Fuel You Have Left
The Topargee Bluetooth Fuel Flow Gauge turns your smartphone into a precision fuel monitoring system for boats, yachts and marine vessels. Using flow-based monitoring, it tracks actual fuel consumption in real time and displays exact levels in litres or gallons with no fixed display, no internet required and no guesswork.
- View exact fuel levels and consumption data via Bluetooth on your phone
- Flow-based monitoring tracks actual fuel used, not just tank level
- No screen required your smartphone is the display
- Easy inline installation with nothing drilled into your tank
- Works offline within approximately 5 metres of the gauge
- AA battery or 12V powered options
- Compatible with petrol and diesel engines across a range of flow rates
- Designed in Australia
Accurate Fuel Tracking on the Water
Fuel uncertainty creates real stress especially on open water where the next refuel is a long way off. The Topargee Bluetooth Fuel Flow Gauge uses flow-based monitoring to track actual fuel consumption in real time, giving you accurate readings directly from your smartphone.
No guessing. No vague gauge needles. Just clear, reliable fuel data so you know your range before you need to.
Why Boaters and Travellers Choose Topargee
Exact Fuel Levels in Real Time - View the exact quantity of fuel remaining in litres or gallons directly from your phone, updated as you go.
Flow-Based Monitoring - Topargee tracks actual fuel consumption litre by litre from a pre-set tank capacity, providing stable and accurate readings regardless of tank shape or position.
No Fixed Display Required - Your device replaces a traditional gauge. No screen to mount, no wiring to a display unit.
No Tank Drilling - Installs inline with your existing fuel line. Nothing drilled into your tank and no internal probes.
Simple Inline Installation - The sender installs directly into the fuel line and connects to the Bluetooth module for a straightforward, clean installation.
Smartphone Monitoring via Bluetooth - Pair your phone or device to monitor fuel levels, consumption data and system settings through the Topargee app.
Free iOS & Android App - Download the free Topargee app for compatible iOS and Android devices to access and manage your system.
Settings Stored in the Bluetooth Module - All system settings are stored directly in the module, allowing access across multiple paired devices.
Built for On-Water Use - Works offline within approximately 5 metres of the gauge. No internet connection required.
Compatible with Petrol and Diesel Engines - Four sender options cover a wide range of engine flow rates from 0.05 L/min up to 60 L/min. Choose the sender that matches your engine's maximum fuel flow (Refer Choose Your Sender Tab).
Flexible Power Options - Powered by AA batteries or 12V depending on your setup.
Designed in Australia - Developed to solve the real fuel monitoring problems experienced by boaters and travellers.
Diesel Applications
For diesel engines with a return line, fuel must be measured on both the supply and return to achieve accurate readings.
Once you’ve selected your gauge, visit our Fuel Flow Meter page to complete your setup
To view the Installation Guide click HERE
To view our testimonials - click HERE































