Reliable liquid level sensing solution for compact marine and vehicle tank systems

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 175 mm variant is specifically designed for shallow and compact tanks where accurate liquid level monitoring is required in limited installation spaces.

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.
• 175 mm Fixed Sender Length: Optimised for compact and shallow tanks requiring precise liquid level measurement in confined installations.
• 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 175 mm sender provides stable liquid level monitoring for compact tank applications.