Reliable liquid level sensing solution for marine and industrial tank applications

The WEMA S3 sender is a durable and precise liquid level sensor designed for accurate monitoring of fuel, water, and other fluids across marine, automotive, and industrial environments. Built from corrosion-resistant 316 stainless steel, it delivers long-term reliability in harsh conditions while providing stable resistance output for compatible gauges. Utilising reed switch and float technology, it converts liquid levels into consistent electrical signals, making it suitable for both 12V and 24V systems and adaptable to a wide range of tank depths.

Key Features

• 316 Stainless Steel Construction: Built from marine-grade stainless steel to resist corrosion and ensure long service life in demanding liquid environments.
• Reed Switch Float Technology: Uses magnet-activated reed switches to deliver accurate and stable level readings with minimal mechanical wear.
• 0–190 Ohm Output: Provides consistent resistance signal compatible with a wide range of gauges for accurate level indication.
• Wide Liquid Compatibility: Suitable for fuel, diesel, petrol, water, oil, and other commonly stored liquids across various applications.
• Threaded Mounting Design: Features a 1¼" BSP thread for simple, secure installation into compatible tank fittings.
• Multiple Length Options (150–1500 mm): Available in a wide range of lengths to suit different tank depths, ensuring correct fitment and accurate readings.
• Low Power Operation: Passive design powered directly from the gauge, supporting both 12V and 24V electrical systems.
• Sealed Internal Electronics: Fully enclosed design protects internal components from liquid exposure, ensuring consistent performance over time.

Designed for accuracy, durability, and installation flexibility, this sender provides dependable liquid level monitoring across a wide range of applications.