RCDrone FLS01 Capacitive Fuel Level Sensor for Drones / UAVs

Overview

The RCDrone FLS01 series—including the standard and high-precision models—is a cutting-edge capacitive fuel level sensor designed for drones and UAV fuel tanks. With a high-resolution smart algorithm, real-time adaptive calibration, and multi-signal outputs, it offers stable and precise monitoring for aviation gasoline, diesel, and other fuel types. Its lightweight design (as low as 30g), IP68 protection, and explosion-proof certification make it ideal for demanding aerial applications such as agriculture drones, firefighting UAVs, and long-endurance platforms.

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Technical Specifications

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Key Features

• 🧠 Smart Capacitive Algorithm – 1mm high resolution with real-time data smoothing

• ⚙️ Auto Calibration – Automatically adapts to different fuel types and conditions

• 📊 No Drift – Stable output unaffected by temperature or pressure fluctuations

• 📈 Linear Output Curve – Smooth signal output for accurate fuel level tracking

• 🪶 Lightweight Design – Sensor body as light as 30g, ideal for UAV weight limits

• 🌧️ IP68 Waterproof & Anti-Vibration – Built for rain, dust, and in-flight turbulence

• 🔌 Multiple Install Methods – Compatible with flange or threaded mounting; supports aviation plug

• 🔧 Customizable Specs – Cable length, rod length, and signal types fully customizable

• 💪 Rugged Solid Build – No moving parts, works with flexible and soft fuel tanks

• ⚡ Ultra Low Power – Power consumption as low as 40mW, ideal for battery-sensitive UAVs

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Application Scenarios

•  Fixed-wing or VTOL drone fuel tanks

•  Agriculture drone gasoline/diesel tanks

• Firefighting drones with fuel-based propulsion

• Heavy-load logistics UAVs using aviation fuel

• Custom-built UAV platforms requiring high-precision fuel level monitoring

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What’s Included

• 1× RCDrone FLS01 Standard or FLS01 High Precision Fuel Level Sensor

• 1× Mounting Flange (included)

• 1× Wiring Guide / Manual

Version Differences

Standard Version (Hexagonal Head)

• Signal Output: Supports full series signal output.

• Measuring Media: Suitable for oil, water, and various other liquids.

• Material: Full aluminum alloy construction.

• Reference Weight (150 mm length): ~150 g.

• Design: Hexagonal head with a compact electronics chamber.

• Applications: General drone/UAV fuel or liquid level measurement where standard accuracy is sufficient.

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High Precision Version (Round Head)

• Signal Output: Outputs voltage signal for precise measurement.

• Measuring Media: Suitable for oil, water, and various other liquids.

• Material: Full aluminum alloy construction.

• Reference Weight (150 mm length): ~115 g.

• Electronics Chamber: Increased internal height (14.5 mm) allows more installation space.

• Surface Treatment: Optional hard anodizing or sandblasting for improved durability.

• Applications: High-accuracy measurement scenarios, suitable for professional UAVs or applications requiring enhanced durability and stability.

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Common Features

• Custom Length: Measurement range customizable from 50 mm to 1000 mm (standard options: 50/100/200/400/600/800/1000 mm).

• Compatibility: Works with drones and UAVs across industrial and agricultural applications.

• Material & Build: Corrosion-resistant aluminum alloy, designed for long service life.

 

Details

RCDrone FLS01 Fuel Level Sensor for drones offers high precision, dual-core quality, intelligent algorithm, self-calibration, no drift, good output, lightweight design, and IP68 protection with explosion-proof, rain-resistant, and vibration-resistant capabilities.

RCDrone FLS01 sensor for drones offers one-piece design, durability, tank compatibility, low power (40mW), and customizable parameters.

Laboratory report for RCDrone FLS01 Capacitive Fuel Level Sensor highlights durability, calibration results, explosion-proof certification, IP68 protection, and tests for environmental resistance, including anti-mold, salt spray, oil, temperature change, impact, and alcohol.

Overview of sensors and monitoring systems, including smart oil housekeeper, universal level sensors, micro UAV gauges, high-temperature boiler gauges, liquid nitrogen gauges, level switches, and transmitters.