Reliable liquid level sensing for large marine and industrial tank systems

The WEMA S3 sender is a durable and accurate liquid level sensor designed for monitoring fuel, water, and other liquids across marine, automotive, and industrial applications. Manufactured from corrosion-resistant 316 stainless steel, it delivers dependable long-term performance in demanding environments while providing stable resistance output for compatible gauges. Using reed switch and float technology, it converts liquid levels into precise electrical signals for consistent readings across both 12V and 24V systems. This variant features a fixed 750 mm sender length, making it suitable for larger and deeper tank installations requiring reliable liquid level measurement.

Key Features

• 316 Stainless Steel Construction: Manufactured from marine-grade stainless steel to resist corrosion and ensure long-term durability in harsh operating conditions.
• Reed Switch Float Technology: Utilises magnet-activated reed switches to provide stable and accurate liquid level readings with minimal mechanical wear.
• 240–30 Ohm Output: Delivers reliable resistance output compatible with a wide range of marine and automotive gauges.
• 750 mm Sender Length: Designed for larger and deeper tank applications requiring dependable and consistent liquid level monitoring.
• Wide Liquid Compatibility: Suitable for fuel, diesel, petrol, water, oil, and other commonly stored liquids across marine and industrial systems.
• Threaded Mounting Design: Features a 1¼" BSP threaded fitting for secure and straightforward installation into compatible tanks.
• Low Power Operation: Passive sender design operates directly from the connected gauge and supports both 12V and 24V electrical systems.
• Sealed Internal Electronics: Fully enclosed construction helps protect internal components from liquid ingress and environmental exposure.

Designed for dependable operation and accurate performance, this sender provides reliable liquid level monitoring across marine, automotive, and industrial tank systems.