UFS301

In Stock

Ultrasonic Fuel Sensor

Queclink UFS301 ultrasonic fleet fuel-level sensor delivers ±0.5% accuracy, IP67 protection and RS485 reporting for reliable vehicle fuel monitoring.

Features

  • Accurate fuel level detection
  • Continuous level data output
  • Precise liquid level measurement
  • Remote tank level monitoring

Hardware

  • RS485 interface
  • IP67 protection rating
  • 9–36 VDC input
  • 0.36W at 12VDC
  • -30°C to +80°C operating range

Applications

Fleet fuel management, transport vehicles, construction and mining equipment, generator fuel tanks, industrial liquid tanks, water vessel monitoring.

Measurement

  • 3cm–100cm diesel measurement
  • 5cm–100cm water measurement
  • ±0.5% measurement accuracy
  • 0.1mm measurement resolution
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    Description

    UFS301 Industrial Applications

    Core Purpose

    The UFS301 is an ultrasonic fuel sensor designed to measure liquid levels with high precision. It is built for diesel fuel tanks and can also measure water in stainless steel or aluminum vessels within the stated range. This makes it useful where stable and accurate level visibility is important.

    Connectivity and Communication

    This model uses an RS485 interface, which suits installations that need dependable communication over longer cable runs. The sensor automatically sends fuel level data every 10 seconds, so connected systems can keep receiving updated readings without manual polling. That helps simplify integration with monitoring platforms or control equipment.

    Monitoring and Detection Capabilities

    The main job of the UFS301 is accurate liquid level monitoring. The datasheet states ±0.5% measurement accuracy with 0.1 mm resolution, which supports close tracking of fuel or water changes inside compatible tanks. In practical use, this helps operators follow consumption, refill activity, or unusual level drops more clearly.

    Power and Environmental Suitability

    The sensor supports a 9–36 VDC input range, which makes it easier to use across different vehicle and equipment power systems. Its IP67 rating and operating range of -30°C to +80°C also make it suitable for demanding environments where dust, water exposure, and temperature changes are part of normal operation. The low 0.36W power draw at 12VDC supports efficient long-term use.

    Industry Applications

    UFS301 Industrial Applications

    Fleet and Transportation

    In fleet operations, the UFS301 can be used to track fuel levels in vehicle tanks with regular automatic reporting. Its RS485 output makes it easier to connect into broader vehicle monitoring setups, while the measurement accuracy supports better fuel visibility and day-to-day control.

    Construction and Mining Equipment

    Heavy equipment often works in rough outdoor conditions, so the IP67 design and wide operating temperature range are useful here. The sensor helps operators keep track of diesel levels in working machines and reduce surprises caused by low fuel during active jobs.

    Power Generation

    For generator installations, the UFS301 can help monitor fuel levels in diesel tanks so teams know when refueling is needed. Its automatic 10-second output supports steady visibility, which is helpful for sites that rely on backup or continuous power equipment.

    Industrial Tanks and Process Equipment

    The sensor is also suitable for stainless steel or aluminum tanks used in industrial environments, provided they match the datasheet conditions. Its precise liquid measurement can support routine level monitoring where operators need a simple and reliable way to follow tank contents.

    Water Vessel Monitoring

    Because the datasheet also lists water measurement in compatible vessels, the UFS301 can be used in applications where water level tracking matters. This gives it value beyond fuel-only use and supports straightforward monitoring in systems that need regular liquid level updates.

    Specifications

    UFS301 Specifications

    Items Parameters
    Operating Temperature -30˚C ~ +80˚C
    Storage Temperature -40˚C ~ +85˚C
    Working Humidity 5% ~ 90%
    Measurement Range 3cm~100cm (For 0# Diesel Fuel in stainless steel / aluminum fuel tanks with thickness of less than 5mm) 5cm~100cm (For Water in stainless steel / aluminum vessels with thickness of less than 5mm)
    Accuracy of Liquid Measurement ±0.5%
    Resolution of Liquid Measurement 0.1mm
    Certification CE / RoHS / CNEX ATEX
    Output Interface Baud rate: 115200; Check Bit: None; Data Bit: 8; Stop Bit: 1; Flow Control: None. Automatically output fuel level (unit: 0.1mm) every 10 seconds
    Connection RS485-A, RS485-B, Ground
    Order Codes

    Order Codes

    SKU: UFS301 

    Order by referencing this SKU — contact info@easynt.com

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