Through-hull transducers

8 companies | 70 products
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level sensor
level sensor
BLS

The BLS Trimod´Besta Level Sensor is universally suitable for level detection and a real alternative to the tuning fork. It works in liquids of all kind, foams, bulk goods, granulates, even in liquids that are sticky, pasty and regardless ...

temperature sensor
temperature sensor
GT21-TH

Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearVü scanning sonar with a stainless steel stem, this thru-hull mount transducer consistently displays clear and crisp fish arches with superior target ...

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Garmin
temperature sensor
temperature sensor

Add the Lowrance Thru-Hull Temperature Sensor to your NMEA 2000 network to monitor water temperature from the convenience of your multifunction display. Key Features Cable Length: 10 ft (3 m). Temperature Range: 4-176ºF (-20-80 ºC) Max ...

depth transducer
depth transducer
90-60-222

This sensor provides depth values in meters or feet depending on the system settings. An offset can be made to give depth below waterline or below the keel whichever is preferred. It can be removed from the housing for maintenance or ...

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nke Marine Electronics
depth transducer
depth transducer
DST810 Smart™ Multisensor

Depth, Speed-Through-Water, Water Temperature, Boat Attitude The new DST810 Smart Multisensor, featuring the new Gen2 paddlewheel and AIRMAR's CAST™ app, delivers a powerful combination of best-in-class speed performance and a simple, ...

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Airmar
depth transducer
depth transducer
B744V TRIDUCER® multisensor

B744V TRIDUCER® Multisensor/CW Thru‑hull The B744V is a TRIDUCER® Multisensor featuring depth, speed, and temperature in a single housing. The 50/200 kHz, dual-frequency, single, ceramic element provides great target detail in shallow ...

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Airmar
depth transducer
depth transducer
B744VL TRIDUCER® multisensor

The B744VL is a TRIDUCER® Multisensor featuring depth, speed, and temperature in a single housing. The 50/200 kHz, dual-frequency, single, ceramic element provides great target detail in shallow water at 200 kHz and good deep-water bottom ...

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Airmar
temperature sensor
temperature sensor
DST110

Maretron's DST110 Smart™ retractable Depth/Speed/Temperature Triducer, delivers precise digital depth, accurate speed and exact water temperature even at speeds above 40 knots - all with no programming or calibration necessary. Its patented ...

temperature sensor
temperature sensor
VSG400 series

Power supply: 24, 12 V

Power supply 12/24 V (max 28 V) Output VSG40064 Frequency 17.000 p/nm (4.8 Hz/nm) Output VSG40080 NMEA0183 and NMEA2000 Output VSG40081 NMEA0183

temperature sensor
temperature sensor
NMEA 0183

The CruzPro DSP (Digital Signal Processing) active transducers output NMEA 0183 serial data of depth and water temperature. Numerous models suit most applications requiring NMEA $SDDPT, $SDDBT and $SDMTW depth/temperature data. The DSP ...

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How to choose this product
through-hull-transducer

A through-hull transducer is an electronic device mounted within the hull to collect speed, depth, water temperature and other data, and to transmit it to the craft's main electronics console.

Applications

These instruments are intended primarily for use on leisure craft of any size with a rigid hull.

Technologies

Transducers can be plastic, bronze or stainless steel. A hole is drilled through the craft's hull while it is out of water. A watertight cylinder is inserted into the hole and capped. Once the boat is back in the water, the transducer is mounted in the cylinder such that its outboard end is in contact with the water.

Such devices gather data relative to speed, water temperature, depth and other parameters, depending on model. Graphic depth sounder transducers with multi-beam and multi-frequency capability can measure great depths and wide swaths of the seabed. Some models use ultrasound technology, while others measure speed via a mechanical device that spins as the boat moves through the water.

How to choose

The transducer should be the same diameter as the hole in the hull. Its materials must be compatible with those of the hull. Do not use a metal transducer on an aluminum boat.

Some transducers are only compatible with electronics consoles made by the same manufacturer. Specify console brand and model to the retailer. NMEA hubs are sometimes required. Ultrasound transducers have no moving parts, making them more reliable and durable, and less subject to fouling than mechanical models.