Accurate liquid level monitoring for large marine and industrial tank systems

The WEMA S3 sender is a high-quality liquid level sensor engineered for precise 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 accurate electrical signals for consistent readings across both 12V and 24V systems. This variant features a fixed 1000 mm sender length, making it suitable for large and deep tank installations requiring reliable and accurate liquid level measurement.

Key Features

• 316 Stainless Steel Construction: Built from marine-grade stainless steel to provide excellent corrosion resistance and long-term durability in harsh environments.
• Reed Switch Float Technology: Uses magnet-activated reed switches to deliver stable and accurate liquid level readings with minimal mechanical wear.
• 240–30 Ohm Output: Provides reliable resistance output compatible with a wide range of marine and automotive gauges.
• 1000 mm Sender Length: Designed for large and deep 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 for long-term reliability.

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