Reliable liquid level sensing solution for marine and vehicle tank applications

The WEMA S3 sender is a durable and precise liquid level sensor engineered for accurate monitoring of fuel, water, and other liquids across marine, automotive, and industrial applications. Constructed from corrosion-resistant 316 stainless steel, it delivers dependable long-term performance in demanding environments while providing stable resistance output for compatible gauges. Utilising reed switch and float technology, it converts liquid levels into consistent electrical signals for accurate readings on both 12V and 24V systems. This 275 mm variant is designed for medium-depth tanks where accurate and dependable liquid level monitoring is required across marine, automotive, and industrial installations.

Key Features

  • 316 Stainless Steel Construction: Built from marine-grade stainless steel to resist corrosion and ensure long service life in harsh liquid environments.
  • Reed Switch Float Technology: Uses magnet-activated reed switches to provide stable and accurate level readings with minimal mechanical wear over time.
  • 0–180 Ohm Output: Delivers a consistent resistance signal compatible with a wide range of liquid level gauges for accurate indication.
  • 275 mm Fixed Sender Length: Designed for medium-depth tanks requiring precise liquid level measurement across various installation environments.
  • Wide Liquid Compatibility: Suitable for monitoring fuel, diesel, petrol, water, oil, and other commonly stored liquids across various applications.
  • 1¼" BSP Thread Mount: Provides secure and straightforward installation into compatible tank openings and mounting points.
  • 12V and 24V System Compatibility: Passive sender design operates efficiently across common marine and automotive electrical systems.
  • Sealed Internal Electronics: Fully enclosed construction helps protect internal components from liquid exposure and demanding operating environments.

Designed for accuracy, durability, and dependable operation, this 275 mm sender provides stable liquid level monitoring for a wide range of tank applications.

Product Specifications
Material 316 Stainless Steel
Mounting Thread 1¼" BSP
Output Type Variable Resistance
Resistance Range 0–180Ω
Operating Voltage 12V / 24V
Power Rating 10W Maximum
Length Availability 150 mm to 1500 mm
IP Rating IP65
Operating Temperature -40°C to +85°C
SKU WEM.S3-E275
Model # S3-E275
Brand Wema
Shipping Weight 0.0010kg
Shipping Height 0.050m
Shipping Length 0.280m

Be The First To Review This Product!

Help other Outback Marine Australia Pty Ltd users shop smarter by writing reviews for products you have purchased.

Write a product review