Airmar P79-235-N2 In-Hull Depth Transducer NMEA 2000 235 kHz

The Airmar P79-235-N2 is an in-hull depth transducer designed for solid fiberglass hulls and thin aluminum hulls. This NMEA 2000 compatible transducer features a unique adjustable-angle design that accommodates hull deadrise angles up to 22 degrees, ensuring the sonar beam remains vertically oriented for optimal echo returns and accurate depth readings.

Advanced Two-Piece Design:

Unlike traditional "puck" style transducers, the P79 features a two-piece construction with a base that bonds to the hull and fills with liquid. The transducer element then secures to the base with a twist-lock mechanism. This liquid-coupled design allows sound waves to travel more efficiently through the hull, delivering superior performance compared to conventional in-hull transducers.

Key Features:

• 235 kHz operating frequency with 11-degree cone angle
• Adjustable mounting base accommodates deadrise angles up to 22 degrees
• Depth-only functionality via NMEA 2000 network
• No through-hull drilling required for clean, leak-free installation
• Recommended for solid fiberglass hulls and aluminum hulls under 0.150 inches thick
• Ideal for planing-hull powerboats, trailerable boats, RIBs, and racing sailboats
• No external hull protrusions to create drag or require maintenance
• Includes 6-meter (20-foot) NMEA 2000 cable with connector

The in-hull mounting design makes the P79-235-N2 perfect for rigid inflatable boats where transom mounting is impractical, racing sailboats where clean hulls are essential, and trailered boats where external transducers risk damage. The liquid-fill design and adjustable angle ensure reliable depth readings even on hulls with moderate deadrise.