Blue Sea Systems 1811 VSM 422 Ultrasonic Tank Sender 24" Gas Only

The Blue Sea Systems 1811 is an ultrasonic tank sender designed exclusively for use with the Vessel Systems Monitor VSM 422 (PN 1800). This advanced sensor uses SSI Technologies Fluid-Trac® non-contacting technology to provide accurate, reliable fuel level monitoring for gas tanks up to 24 inches deep.

Key Features:

• Non-contacting ultrasonic technology eliminates mechanical moving parts that can wear out or fail
• Precise calibration capability for each individual tank when paired with VSM 422
• Digital filtering eliminates false readings caused by liquid sloshing in mobile applications
• Gas-only tank sender optimized for gasoline fuel systems
• 24-inch maximum depth capacity

Installation Requirements:

• Must be mounted at least 4 inches from tank sides or baffles
• Requires perpendicular mounting to liquid surface
• Tank floor must be level (not sloped)
• Sender negative wire should connect directly to main negative bus
• Only compatible with Blue Sea Systems VSM 422 monitor

This sender provides marine-grade reliability for accurate fuel monitoring on boats, yachts, and other vessels equipped with the Blue Sea VSM 422 monitoring system.