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home > Furuno 235-IHF 235KHZ P79 NMEA NMEA 2000 IN-HULL Transducer > Furuno 235-IHF 235KHZ P79 NMEA NMEA 2000 IN-HULL Transducer

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Furuno 235-IHF 235KHZ P79 NMEA NMEA 2000 IN-HULL TransducerFuruno 235 IHF In Hull Digital Depth Sensor with NMEA 2000 Advanced In Hull Depth Sensing Without Hull Penetration The Furuno 235 IHF revolutionizes depth sensing with cutting edge in hull technology that eliminates the need for through hull installation. This professional grade digital depth sensor uses advanced 235kHz sonar technology and NMEA 2000 connectivity to deliver precise depth measurements up to 150 meters while maintaining complete hull

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Furuno 235-IHF In-Hull Digital Depth Sensor with NMEA 2000

Name: Furuno 235-IHF 235KHZ P79 NMEA NMEA 2000 IN-HULL Transducer
Brand: pannenkoekenrestaurants.nl
SKU: 17766280735
Price: 183.04 USD
Availability: InStock
Rating: 4.4842 (399 reviews)

Advanced In-Hull Depth Sensing Without Hull Penetration

The Furuno 235-IHF revolutionizes depth sensing with cutting-edge in-hull technology that eliminates the need for through-hull installation. This professional-grade digital depth sensor uses advanced 235kHz sonar technology and NMEA 2000 connectivity to deliver precise depth measurements up to 150 meters while maintaining complete hull integrity. Built with proven Airmar P79 housing design and featuring layered plastic urethane acoustic window technology.

Revolutionary In-Hull Technology

No-Penetration Installation

The 235-IHF's innovative in-hull design bonds directly to the interior hull surface, transmitting sonar signals through advanced acoustic window technology. This eliminates the risk of through-hull leaks while providing accurate depth readings through fiberglass hulls with deadrise angles from 0° to 22°.

Digital NMEA 2000 Integration

Native NMEA 2000 connectivity ensures seamless integration with modern marine electronics networks. The sensor provides real-time depth data with 1-second update intervals and supports full plug-and-play compatibility with NMEA 2000 certified marine electronics.

Professional Sonar Performance

The 235kHz frequency delivers exceptional bottom detection and resolution, providing reliable depth measurements from 0.5 to 150 meters. The 7° beamwidth ensures accurate readings while the advanced digital processing eliminates noise and interference common in analog systems.

Technical Specifications

Operating Frequency: 235 kHz

Power Rating: 60 Watts

Maximum Depth Range: 150 meters (500 feet)

Minimum Depth Range: 0.5 meters (1.6 feet)

Beam Width: 7° Conical

Hull Deadrise: 0° to 22°

Data Update Rate: 1 Hz (1 per second)

Supply Voltage: 9-16 VDC

Current Draw: 200 mA

Cable Length: 6 meters (20 feet)

Weight: 0.9 kg (2 lbs)

NMEA 2000 LEN: 4

Installation & Application Benefits

Simplified Installation Process

In-hull installation eliminates the complexity and risk associated with through-hull fittings:

No hull drilling or cutting required
No through-hull seacocks or valves needed
Eliminates potential leak points
Can be installed while vessel is in water
Suitable for trailered boats and seasonal vessels

Acoustic Window Technology

The layered plastic urethane acoustic window provides optimal sonar transmission through fiberglass hulls while maintaining structural integrity. This proprietary technology ensures consistent performance across various hull materials and thicknesses.

NMEA 2000 Network Integration

DeviceNet cable with 5-pin connector provides:

Plug-and-play NMEA 2000 connectivity
Auto-detection by compatible displays
Network power from NMEA 2000 backbone
Standard depth data output (PGN 128267)
LEN rating of 4 for proper network load calculation

Operational Performance

Precision Depth Measurement

The 235-IHF delivers professional-grade accuracy with advanced digital signal processing that filters out noise and interference. The 1 Hz update rate provides smooth, consistent depth readings for navigation safety and bottom tracking applications.

Hull Compatibility

Engineered to work effectively with solid fiberglass hulls having deadrise angles up to 22°. The compact P79 housing design accommodates tight bilge spaces while the acoustic window technology maintains performance through various hull configurations.

Marine Environment Durability

Built to withstand harsh marine conditions with:

Waterproof construction rated to 3 meters pressure
Corrosion-resistant materials
Temperature-stable acoustic components
Vibration-resistant mounting system

Marine Standards & Compliance

International Regulations

The 235-IHF meets stringent international marine electronics standards:

IEC 62288: Maritime navigation and radiocommunication equipment
NMEA 2000: Certified for marine data network compatibility
CE Marking: Complies with European Conformity requirements
IEC 60945: General requirements for shipborne radio equipment

Professional Applications

Suitable for commercial and recreational vessels requiring reliable depth sensing without hull penetration, including charter boats, fishing vessels, and recreational craft in regions with strict hull integrity requirements.

Frequently Asked Questions

How does in-hull mounting work compared to through-hull?

In-hull mounting uses advanced acoustic window technology to transmit sonar signals through the hull material without requiring holes. While through-hull provides slightly better performance, in-hull offers significant installation advantages and eliminates leak risks.

What hull types are compatible with the 235-IHF?

The sensor works best with solid fiberglass hulls having deadrise angles from 0° to 22°. Cored hulls, metal hulls, or hulls with significant deadrise angles may not provide optimal acoustic coupling.

Can this sensor be used for fishing applications?

The 235-IHF is primarily designed for depth measurement and navigation safety. While it provides bottom detection, dedicated fishfinders offer better fish detection capabilities and higher resolution for fishing applications.

How do I install the sensor on my hull?

Installation requires proper surface preparation, marine-grade adhesive or mounting hardware, and careful positioning for optimal acoustic coupling. Professional installation is recommended to ensure proper performance and avoid installation issues.

Is the sensor compatible with non-Furuno electronics?

Yes, the NMEA 2000 output is industry-standard and compatible with any NMEA 2000 certified marine electronics including chartplotters, MFDs, and instrument displays from various manufacturers.

NMEA 2000 Network Planning

The 235-IHF requires proper NMEA 2000 network installation with backbone power supply and termination resistors. The sensor draws 200mA and has a Load Equivalency Number (LEN) of 4, which must be considered in network power calculations. Professional marine electronics installation ensures optimal network performance and compliance with NMEA standards.

Warranty & Support

Furuno backs the 235-IHF with a comprehensive 3-year limited warranty covering manufacturing defects and performance issues. Professional technical support is available through Furuno's global service network, ensuring reliable operation throughout the product lifecycle.

Furuno Innovation Legacy

For over seven decades, Furuno has pioneered marine electronics technology, delivering solutions that enhance safety and performance for professional and recreational mariners worldwide. The 235-IHF represents the latest advancement in digital sonar technology, combining proven reliability with innovative in-hull installation convenience.

Plastic In-Hull, Digital Depth Sensor, NMEA2000 Airmar P79 Housing Style Transducer. For over 70 years, Furuno has been continuously imagining and creating new solutions, making new marine electronic equipment with the goal of offering both performance and simplicity for everyone. Not only for men and women who make a living on the seas, but also for those who simply want to enjoy the boating lifestyle. For them, Furuno has become synonymous with quality, performance and reliability.

Furuno 235IHF Attributes

Mounting Location: In-Hull Mount
Number Of Pins: 5 Pin
Depth: 500 Feet
Power Rating: 60 Watt
Frequency Range: 235 kHz
Supported Angle: 0 To 22 Degree Deadrise/ 7 Degree Beamwidth
Cable Length: 19.6 Feet

Furuno 235IHF Features & Benefits

Acoustic Window: Layered Plastic Urethane
Data Update Rate: 1 Per Second
Maximum Depth Range: Up To 150 Meter
Supply Current: 200 Milliamp
CE Regulation: Complies To IERC945
Limited 3 Year Warranty

235KhZ
Weight: 0.9 kg (2 lb)
Acoustic Window: Layered plastic urethane
Hull Deadrise: 0°: to 22°:
Data Update Rate: 1 per second
Minimum Depth Range: 0.5 m (1.6?)
Maximum Depth Range: Up to 150 m (500?)
Pressure Rating: 3 m (10?)
Pulse Rate: 20,000 p/nm* (5.6 Hz per knot)?*p/nm = pulses per nautical mile
Supply Voltage: 9 VDC to 16 VDC
Supply Current: 200 mA
Cable Length: 6 m (20?) devicenet
NMEA 2000® Load Equivalency Number (LEN): 4
CE Regulation: Complies to IERC945

"FurunoP79 in-hull adjustable (0-22 deg) housing w\/ liquid-filled seachest. Includes 20' NMEA 2000 drop cable."
SKU: NVN-1000400
MPN: 235-IHF
UPC: 611679330529