Raymarine M78716 Bronze Speed Transducer
Raymarine M78716 Bronze Speed Transducer — Product description
Raymarine M78716 Bronze Speed Transducer - Professional ST800/B120 Thru-Hull Marine Instrument
Upgrade your marine navigation accuracy with the Raymarine M78716 Bronze Speed Transducer - the professional-grade ST800/B120 thru-hull solution trusted by serious mariners worldwide. This precision-engineered bronze transducer delivers reliable speed and temperature readings for boats up to 45 knots, making it essential equipment for performance vessels and commercial applications.
Why Marine Professionals Choose Bronze Thru-Hull Speed Transducers
The M78716 represents decades of Raymarine engineering excellence, combining marine-grade bronze construction with advanced digital signal processing. Unlike plastic alternatives, this bronze transducer provides superior durability in harsh marine environments while delivering consistent performance across varying sea conditions.
Key Performance Features
- Precision Speed Monitoring: Accurate readings from 2 to 45 knots (2-52 MPH) with 1-second update intervals
- Low-Profile Design: Minimizes drag with only 3/16" hull protrusion for high-speed performance
- Retractable Core: Easy cleaning and maintenance without hauling out
- Temperature Sensing: Simultaneous water temperature monitoring for comprehensive data
- Bronze Construction: Corrosion-resistant marine alloy suitable for fiberglass and wood hulls
- Professional-Grade Cable: 45-foot marine cable with sealed spade connectors
Technical Specifications
Compatible Marine Instruments
The M78716 integrates seamlessly with Raymarine's comprehensive instrument range:
- ST Series: ST70 (requires ST70 Speed Pod), ST60+, ST290
- i-Series: i40 Speed, i50 Speed, iTC-5
- Legacy Systems: ST60 and other analog instruments
Installation Requirements & Hull Compatibility
Compatible Hull Materials:
- ✅ Fiberglass hulls (recommended)
- ✅ Wood hulls (bronze required)
- ❌ Metal hulls (use plastic transducers to prevent electrolytic corrosion)
Installation Considerations:
- Professional installation recommended for optimal performance
- Requires 2" through-hull fitting (included)
- Fairing block may be required for proper alignment
- Best performance on straight-shaft inboard and displacement hulls
Why Choose Thru-Hull Over Transom Mount?
Thru-hull transducers like the M78716 offer significant advantages for serious boaters:
- Superior High-Speed Performance: Maintains accuracy at planing speeds
- Reduced Drag: Low-profile design minimizes hull resistance
- Enhanced Signal Quality: Direct hull contact eliminates air bubbles and turbulence
- Professional Reliability: Preferred by commercial and racing applications
Raymarine Heritage & Quality Assurance
With over 80 years of marine electronics leadership, Raymarine continues to innovate for recreational and commercial marine markets. The M78716 represents this commitment with:
- Rugged Marine Engineering: Designed for harsh saltwater environments
- Digital Signal Processing: Advanced microelectronics for precise measurements
- Quality Manufacturing: ISO-certified production standards
- Limited 2-Year Warranty: Comprehensive coverage for peace of mind
Frequently Asked Questions
Can I install the M78716 on a metal hull boat?
What's the maximum boat speed this transducer can handle?
Do I need a fairing block for installation?
Can I clean the transducer without removing it from the boat?
What instruments are compatible with this transducer?
Does this transducer provide both speed and temperature readings?
Professional Installation & Support
For optimal performance and warranty compliance, professional installation by certified marine technicians is recommended. The M78716 includes comprehensive installation documentation and backed by Raymarine's global technical support network.
Elevate your marine navigation with the proven reliability of Raymarine's M78716 Bronze Speed Transducer - the professional choice for accuracy, durability, and performance on the water.
For more than 80 years, we‘ve been global leaders in high performance marine electronics for the recreational boating and light commercial marine markets. We continue to innovate and provide full electronic systems to boaters around the world. Our products are engineered for the tough marine environment and renowned for ease-of-use, rugged design and reliability. Our full range features chartplotters, fishfinders, radars, marine instruments, marine cameras, AIS units and VHF radios.
Raymarine M78716 Attributes
- Mounting Location: Thru-Hull Mount
- Supported Angle: 0 To 22 Degree Deadrise Angle
- Cable Length: 45 Feet
Raymarine M78716 Features & Benefits
- Retractable Core For Easy Cleaning And Maintenance
- 2 Inch, Bronze Through Hull Fitting Suitable For Fiberglass Or Wood Hulls
- Compatible With Analog Instruments Like I40 Speed, I50 Speed, ITC-5, ST60+ Speed, ST60 And Legacy Analog Instruments
- Rugged Design And Reliability
- Limited 2 Year Warranty
Raymarine M78716 Warranties
Compatible with the following instruments:
- ST70*
- ST60+
- ST290
Compatible hull material: Wood and fiberglass
Cable: 45 ft. cable
Hole diameter for installation: 2"
*Using with ST70 requires purchase of ST70 Speed Pod, sold seperately.
The Raymarine ST800/P120 thin through-hull sensor has an intelligent speed and temperature sensor, which can process the digital signal inside the shell and send the data to the host.
SKU: NVN-14086
MPN: M78716
UPC: 023193787169
Technical specifications
| Brand | Raymarine |
| Model | Raymarine M78716 Bronze Speed Transducer |
| SKU / MFR# | 14086 |
Set product metafields under specs.* to populate this table.
Frequently asked questions
No questions yet. Got one? Drop us a line.
