Reliable liquid level monitoring for marine, automotive, and industrial 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 275 mm sender length, it is ideal for medium-depth tanks requiring dependable and consistent level measurement. Constructed from corrosion-resistant AISI 316 stainless steel, it delivers long-term durability while providing a stable 0–180 ohm resistance output for compatible gauges. Utilising reed switch and float technology, it ensures accurate 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 outstanding corrosion resistance and long service life in demanding environments.
• Reed Switch Float Technology: Uses magnet-activated reed switches to deliver accurate and stable liquid level readings with minimal mechanical wear.
• 0–180 Ohm Output: Provides a linear resistance signal for precise compatibility with 0–180 ohm gauges.
• 275 mm Sender Length: Suitable for medium-depth tanks requiring dependable liquid 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 reliable electrical connectivity.

Designed for long-term reliability and accurate level indication, this sender provides a practical solution for monitoring liquid levels across a wide range of tank installations.