level sensor / for boats / for water tanks / fuel tank
SFW-0X series Kupo Co., Ltd.



  • Measured value:


  • Application domain:

    for boats

  • Other characteristics:

    for water tanks, fuel tank


Our SFW series liquid level sensors are custom-designed to your specification requirements. All of the material of our liquid level sensor is considered during the design procedure to ensure they will perfectly suit your requirement. The length and resistance range of the liquid level sensor is customizable. There are two mounting ways available as well: 1-1/4” BSP thread and SAE 5 holes for you to choose. Our liquid level sensors are compatible with most fluid types including fuel, bio-fuel, diesel, oil, water, DEF/AdBlue, and other special fluid. The liquid level sensors are designed using materials that are suitable for above applications, including aluminum, stainless steel #304/316, nylon and ABS.

Features & Options

Analog output with reed switch technology
Various kinds of materials for every type of liquid application
1-1/4" BSP thread or SAE five holes fitment options
Customizable resistance range (Ohm value) for liquid level at empty from full
Available sensor length from 100mm to 2000mm
Liquid level sensors have optional connector output with flying leads or your desired pin side connector
Optional low level alarm to remind the driver to fill up the fuel when the fuel level down to the empty
Can be integrated with GPS tracking and monitoring system (added value)