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Raymarine

E26001-PZ

P79 adhesive depth sounder

Designed for a no-drill installation, the Raymarine P79 200 kHz transducer provides reliable depth measurement for instruments. It is positioned as a practical solution for monolithic fiberglass hulls, avoiding any hull penetration. The transducer comes with its adjustable mounting base and cable.

Retail priceBenefit from the professional rate

$228.05 USD

$228.05 USD ~~$267.62 USD~~

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In stock

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Technical specifications

Supported sonar technologies	Traditional sonar
Operating voltage	12V DC
Fishfinder frequencies	200 kHz
Operating temperature	-15°C to +55°C
Peak power	600.0
Sonar connector type	Raymarine owner (7-pin)
Cable length	10.0
Compatible displays	Raymarine depth sounders and chartplotters with 200 kHz transducer input (e.g., i50 Depth, Axiom via compatible sonar module)
Product width	100
Product height	110
Product depth	100
IP rating	IPX7
Compass safe distance	N/A (negligible)
Mounting type	To glue (in-hull)
Certifications	CE
Beam coverage angle	12°
Fishing type	Sea
Integrated speed sensor	No
Integrated temperature sensor	No
Max depth reading	183.0
Transducer material	Plastic
Warranty	2.0

Detailed description

Designed for recreational sailors and racing crews seeking a depth measurement solution without compromising hull integrity, the RAYMARINE P79 adhesive depth sounder is a 200 kHz transducer. This in-hull transducer, with 600W RMS power, provides accurate depth data for compatible RAYMARINE navigation instruments.

Simplified Installation and Reliable Performance

The P79 transducer stands out with its internal installation, eliminating the need to drill the hull. It features an adjustable base that accommodates hull angles from 0 to 22 degrees, ensuring optimal vertical alignment of the acoustic beam. This installation method reduces water ingress risks and eliminates the hydrodynamic drag associated with through-hull or transom-mount transducers. While it does not offer the same fish detection performance as dedicated CHIRP transducers (such as RAYMARINE CPT-S or RV-xxx models), the P79 is a reliable option for displaying depth on instruments like i50 Depth or Axiom multifunction displays.

Positioning and Compatibility

Compared to other RAYMARINE transducers, the P79 is specifically aimed at owners of solid-hull boats (non-sandwich) who prioritize installation simplicity and the absence of antifouling maintenance. It represents an alternative to classic through-hull transducers (such as the B744V) or transom-mount transducers (such as the P319), offering a discreet solution protected from impacts. Its 200 kHz frequency is suitable for medium depths and ensures broad compatibility with most RAYMARINE depth displays and chartplotters equipped with a 200 kHz transducer input.

Expert opinion

Pol CONIN

Digital Manager

« Raymarine P79 depth sounder: depth measurement without hull drilling »

The RAYMARINE P79 transducer is a suitable solution for monolithic polyester hulls where drilling is to be avoided. It provides reliable depth measurement without compromising hull integrity or introducing hydrodynamic drag. Its main advantage lies in ease of integration, particularly for sailboats or small motorboats. Installation requires careful preparation of the hull's inner surface to ensure optimal acoustic coupling with epoxy resin or a suitable sealant. The adjustable base compensates for hull angles up to 22 degrees, ensuring the beam remains vertical.

This transducer is ideal for basic depth display on a dedicated instrument. However, it is important to note that it is not suitable for sandwich or cored hulls, or those with air bubbles in the gel coat, which would significantly degrade signal transmission. For fish detection or deep-water applications, through-hull or transom-mounted transducers, particularly CHIRP models, will offer superior performance. The P79 remains a sound choice for secondary or primary depth functions on small to medium boats where simplicity and the absence of drilling are key criteria.

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P79 adhesive depth sounder

$228.05 USD

$228.05 USD ~~$267.62 USD~~

Frequently Asked Questions

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What is the primary purpose of the Raymarine P79 transducer?

The Raymarine P79 transducer is a depth transducer designed specifically for depth measurement. It provides accurate depth data for compatible Raymarine navigation instruments.

What is the frequency and power of the P79 transducer?

The P79 transducer operates at a frequency of 200 kHz and has a power output of 600W RMS.

Does the P79 transducer require drilling the boat hull for installation?

No, the P79 is a glue-on (in-hull) transducer and does not require drilling the hull for installation. This eliminates the risk of water ingress and removes hydrodynamic drag.

On which type of hull can the P79 transducer be installed?

The P79 transducer is designed for installation on solid hulls (non-sandwich). It is not recommended for sandwich hulls.

How does the P79 transducer adapt to different hull angles?

The P79 transducer features an adjustable base that can accommodate hull angles from 0 to 22 degrees. This ensures optimal vertical alignment of the acoustic beam for maximum performance.

Which Raymarine instruments is the P79 transducer compatible with?

The P79 transducer is compatible with most Raymarine depth displays and chartplotters equipped with a 200 kHz transducer input. This includes instruments such as the i50 Depth displays and Axiom multifunction displays.

Is the P79 transducer suitable for fish detection?

Although the P79 provides depth data, it is not optimized for fish detection like dedicated CHIRP transducers (e.g., Raymarine CPT-S or RV-xxx models). It is primarily designed for depth display.

What are the advantages of an in-hull transducer installation?

Installing an in-hull transducer like the P79 offers several advantages:

It requires no hull penetration, preserving the boat's structural integrity.It eliminates hydrodynamic drag, which can improve boat performance.The transducer is protected from impacts and marine fouling, reducing maintenance.