The Furuno 525STID-MSD Bronze Thru-Hull Multisensor combines depth sounder, speed sensor, and water temperature monitoring in one professional-grade bronze housing, delivering exceptional performance for serious anglers and navigators. This 600-watt Airmar B744V-based triducer features dual frequency operation (50/200 kHz) with precision beam angles and high-speed fairing block for superior bottom tracking and fish detection from shallow coastal waters to deep offshore fishing grounds.

Key Features & Benefits

• Triple-Function Design: Combines depth sounder, speed sensor, and water temperature in single through-hull installation
• High-Power Performance: 600-watt power rating ensures strong return signals in deep water and challenging conditions
• Dual Frequency Operation: 50/200 kHz frequencies provide optimal coverage for various depths and fishing applications
• Precision Beam Angles: 40/10 degree beam pattern delivers excellent bottom discrimination and fish detection
• Bronze Construction: Marine-grade bronze housing resists corrosion and electrolysis in saltwater environments
• High-Speed Fairing Block: Streamlined fairing maintains performance at speeds above 30 knots (34 MPH)
• Recessed Installation: Fully recessed design minimizes drag while maximizing acoustic performance
• Professional Cable System: 30-foot marine-grade cable with 10-pin connector for reliable signal transmission

Technical Specifications

Performance Characteristics

Engineered for versatile marine applications:

• High-Speed Operation: Maintains clear imaging and solid bottom tracking above 30 knots
• Multi-Depth Capability: Effective from shallow coastal waters to deep offshore fishing
• Enhanced Fish Detection: Dual beam pattern optimizes target separation and fish identification
• Temperature Accuracy: Precision water temperature monitoring for fishing and navigation
• Speed Measurement: Accurate boat speed through water for navigation and trolling
• Bottom Discrimination: Excellent hard/soft bottom identification for structure fishing

Installation & Design Features

• Single Hull Penetration: Three sensors through one installation hole minimizes hull modifications
• Patented Valve Assembly: Prevents water intrusion when insert is removed for cleaning or storage
• Recessed Fairing Design: Fully recessed into custom high-performance fairing for optimal water flow
• Professional Installation: Designed for permanent through-hull mounting with proper sealing
• Deadrise Compatibility: Accommodates hull deadrise angles from 0° to 24°
• High-Speed Fairing: Streamlined design reduces turbulence and cavitation

Compatible Applications

• Inshore Fishing: Shallow to medium depth coastal and bay fishing
• Structure Fishing: Precise bottom discrimination for reefs, wrecks, and drop-offs
• Trolling Operations: Accurate speed monitoring for optimal lure presentation
• Deep Water Fishing: High-power performance for offshore and lake fishing
• Commercial Applications: Professional fishing and navigation on vessels up to 30 feet
• Sport Fishing: Tournament-grade performance for competitive fishing

System Compatibility

Designed for Furuno marine electronics with 10-pin connectors:

• Furuno Fishfinders: FCV series and other 10-pin compatible units
• Chartplotters: GP series and NavNet systems with fishfinder capability
• Multi-Function Displays: Units supporting depth, speed, and temperature display
• Dedicated Sounders: Professional fishfinder systems requiring multisensor input

Bronze Construction Advantages

• Corrosion Resistance: Bronze naturally resists saltwater corrosion and marine growth
• Electrolysis Protection: Compatible with most hull grounding and bonding systems
• Durability: Withstands impact damage from debris and docking
• Acoustic Performance: Dense material provides excellent sound transmission
• Professional Grade: Standard material for commercial and serious recreational applications

What's Included

• 525STID-MSD Bronze Thru-Hull Multisensor (Airmar B744V)
• High-speed fairing block with hardware
• 30-foot marine-grade cable with 10-pin connector
• Through-hull installation hardware
• Valve assembly for service access
• Installation documentation and templates

Professional Installation Recommended

This through-hull installation requires precision hull cutting, proper sealing, and electrical connection. Professional installation ensures optimal performance, maintains hull integrity, and preserves warranty coverage. Consider marine electronics specialists for best results.

Frequently Asked Questions