Ultrasonic Fuel Level Sensor for Liquid Level Monitoring

Basic Info
  • Model NO.: UL800

  • Contact: Contactless

  • Feature: Corrosion Resistant

  • Certification: CE

  • Working Theory: Ultrasonic

  • Operation Voltage: 9-36V

  • Trademark: Traclogis

  • Origin: Shenzhen Guangdong

  • Type: Ultrasonic Liquid Level Sesnor

  • Output Signal Type: Analog/Digital

  • IP Rating: IP67

  • Customized: Customized

  • Serial Interface: RS232,RS485

  • Detecting Height: 4m

  • Specification: CE

  • HS Code: 90261000

Product Description
Ultrasonic Fuel Level Sensor UL800

UL800 is intended for precision fuel and liquid level measurement in containers and fuel tanks of vehicles, road tanker monitoring systems, fuel storages, generators, GSM station etc, with ultrasonic technology and easy instllation, which enable convenient operation in harsh environments steadily.
The sensor can be integrated with any professional control units and equipment of GPS tracking.



Easy Installation

No need to drill any hole on the tank, the sensor can be just installed on the bottom of the tank, which will save more time for the installation compared with the traditional fuel level sensor.

Multi-signal Outputs
Voltage Signal Output:(0-5v)
Digital Signal Output: RS232
Digital Signal Output: RS485

High Precision Measurement
High resolution of the sensor(1 mm)

Accuracy: 0.5% 
Resolution: 1mm 
Output Signal: Voltage, Current, RS232, RS485 
Output Voltage: 0- 5V 
Output Current: 4- 20mA 
Easy Installation 
Easy Calibration 



Ultrasonic liquid level detector

Operating Voltage


The power supply ripple

Less than 100mV

Operating current

Less than 55mA

Measuring distance

4cm to 100cm;

 pressure-bearing range: -0.1MPa~32MPa



Measurement accuracy


Temperature compensation range

-40 -  +80°C

Output mode

analog voltage,current,RS485,RS232

Analog output

Voltage output


1-5V (corresponding 0-100cm)

Current output

4-20mA (corresponding 0-100cm)

Digital output


See the "communication protocol"


Alarm output

need external connection a alarming horn to achieve alarm

Install method

bottom of fuel tank/can, water tank

Operating temperature

-40 - +80°C

Storage temperature

-50 - +100°C


102*48*25mm with mounting holes

Ultrasonic transducer

Operating temperature

-40 - +80°C

IP grade


Cable length

8m and with shield


About 770g


  • Road Vehicles

  • Buses

  • Heavy equipment

  • Diesel generators

  • Construction machines

With years of research of real-time remote fuel-level monitoring solution, Traclogis accumulated rich experience in the field of fuel monitoring field, A real-time remote fuel-level monitoring solution is an option for managers who need to know exactly when and where fuel losses are occurring.
In addition to notification of a sudden change in fuel-level, a well-designed remote monitoring solution is able to provide other valuable information, such as how much fuel is lost, as well as the fuel cost management with driver's behavior, which will make fleet managers to save more cost and manage the fleet efficiently.


increase vehicle or special machinery effectiveness;
minimize non-productive expenses;
supervise fuel usage;
optimize drivers working effectiveness
prevent (or minimize) fuel theft;