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Mini Liquid Level Sensor

  • 28090: Mini Liquid Level Sensor - top view
  • 28090: Mini Liquid Level Sensor - bottom view with cable
  • 28090: Mini Liquid Level Sensor - bottom view
Product ID: 28090
In Stock: 44


The Mini Liquid Level Sensor is made to be inserted vertically into wet environments to detect liquid level from 0 to 1.88” (48 mm) or as an alarm. This sensor has a single analog output which may be directly connected to the Propeller Activity Board 4-channel A/D converter or easily interfaced with the MCP3002 A/D with a FLiP Multicore Microcontroller. 


  • Supported by BlocklyProp and C library interfaces
  • 2 to 5 volt analog output is easy to read by many controllers or A/D converters
  • 9 inch (22 cm) 3-pin female-female extension cable included
  • 2.0 mm mounting holes allow for rigid installation
  • Detects tiny amounts of change in liquid levels in tight-space applications
  • Fast response time
  • Suitable for a variety of non-corrosive or non-toxic liquids (not meant for foods)

Application Ideas

  • Water level alarm for moisture-sensitive environments
  • Water level indicator for fluid reservoirs
  • Stream-level indicator when used in a controlled reservoir (stream well)


Key Specifications

  • Voltage input range 2.0 V to 5.0 V
  • Dimensions 0.75” x 2.48” (19.0 mm x 63.0 mm)
  • Water level detection 0 to 1.88” (0 mm to 48 mm)
  • Analog output
  • Not for food applications

Downloads & Documentation

Product Specific Downloads
Download Details More Info
Mini Liquid Level Sensor User Guide - 28.4 KB | updated: 11 Sep 2019 - 9:53 am

Additional Resources