Reliable liquid level measurement for fuel and water storage tanks

The WEMA S5 sender is a precision-engineered liquid level sensor designed for accurate monitoring of fuel and water tanks across marine, automotive, and industrial applications. Featuring a 225 mm sender length, it is suited to compact and medium-depth tanks where dependable level measurement is essential. Manufactured from corrosion-resistant AISI 316 stainless steel, it delivers long-lasting durability while providing a stable 0–180 ohm resistance output for compatible gauges. Utilising reed switch and float technology, it ensures accurate and consistent liquid level readings and supports both 12V and 24V electrical systems.

Key Features

• 316 Stainless Steel Construction: Manufactured from marine-grade stainless steel to provide excellent corrosion resistance and long service life in demanding environments.
• Reed Switch Float Technology: Uses magnet-activated reed switches to deliver precise and stable liquid level readings with minimal mechanical wear.
• 0–180 Ohm Output: Provides a linear resistance signal for accurate compatibility with 0–180 ohm gauges.
• 225 mm Sender Length: Suitable for compact and medium-depth tanks requiring reliable level monitoring.
• Fuel and Water Compatibility: Designed for use with diesel, petrol, fresh water, and grey water tank applications.
• 5-Hole SAE Mounting Flange: Features a standard SAE mounting pattern for secure and straightforward installation.
• Low Power Operation: Passive design operates directly from the connected gauge and supports both 12V and 24V electrical systems.
• Pre-Wired Leads: Supplied with tinned flying leads for easy installation and dependable electrical connections.

Designed for dependable performance and accurate liquid level indication, this sender provides a practical solution for a wide range of tank monitoring applications.