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Capacitive Fuel Level Sensor
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Capacitive Fuel Level Sensor | High-Precision Fuel Level Sensor

The capacitive fuel level sensor employs RF capacitance measurement technology to continuously monitor liquid level changes in gasoline, diesel, hydraulic oil, and other mildly corrosive liquids. It supports multiple probe lengths and mounting options, and offers output interfaces including RS232, RS485, CAN, TTL, and 4–20 mA. Optional 4G connectivity and GPS/BeiDou positioning enable remote monitoring for vehicles, construction machinery, marine vessels, and fuel tanks.

Key specs

Measurement Range
80–1400 mm
Operating Voltage
DC 5 V (4.5–9 V) / DC 12 V / DC 24 V (9–36 V)
Operating Current
5–10 mA
Probe Diameter
Φ16 / Φ19 / Φ22 mm
Digital Output
RS232 / RS485 / CAN / TTL
Operating Temperature
−35 °C to +75 °C
Analog Voltage Output
0–3.3 V / 0–5 V / 0–10 V
Probe Temperature Resistance
−50 °C to +150 °C
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The CR606 series capacitive fuel level sensor utilizes RF capacitance measurement technology to deliver continuous, stable fuel volume monitoring by detecting liquid level changes. With no moving mechanical parts, it features shock resistance, stable response, and easy installation—ideal for measuring fuel levels in gasoline, diesel, hydraulic oil, and various other mildly corrosive liquids.

Measurement range: 80–1400 mm; probe length is customizable per tank dimensions, with threaded or flanged mounting options. Digital outputs include RS232, RS485, CAN, and TTL; analog outputs include 4–20 mA, 0–3.3 V, 0–5 V, and 0–10 V. Select models integrate 4G data communication and dual-mode GPS/BeiDou positioning, enabling remote transmission of vehicle location and fuel level data—supporting fleet platforms in fuel consumption monitoring, refueling logging, and anomaly detection for abnormal fuel level changes. Suitable for commercial vehicles, construction machinery, marine vessels, fuel tanks, and general equipment level monitoring.

Key Features

  • RF Capacitive Level Measurement
  • No Moving Mechanical Parts
  • Measurement Range: 80–1400 mm (Customizable)
  • Real-Time Fuel Volume / Level Monitoring
  • Optional 4G Remote Data Transmission
  • Optional Dual-Mode GPS + BeiDou Positioning
  • RS232 / RS485 / CAN / TTL Output
  • 4–20 mA Analog Current Output
  • 0–3.3 V / 0–5 V / 0–10 V Analog Voltage Output
  • IP67 Ingress Protection Rating
  • Optional Intrinsically Safe Explosion-Proof Version
  • Threaded or Flanged Mounting Options

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