Depth transducers

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temperature sensor
temperature sensor
Garmin GT20-TM

... mounted transducer consistently displays fish arches as well as clear pictures of objects, structure and fish that pass below your boat. The 20 ft transducer cable with built-in fast response temperature ...

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Garmin
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 ...

depth transducer
depth transducer
120-25

Simrad 120-25 is a 120 kHz single beam echo sounder transducer The Simrad 120-25 is a single-beam transducer protected by a robust housing. The solid interior enables it to withstand the pressure at ...

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Simrad
depth transducer
depth transducer
P32 TRIDUCER® multisensor

... most-economical, depth, speed, and temperature sensor. Although small in size, it is packed with many impressive features such as a releasable bracket. The P32 can also be used as a portable, trolling-motor or suction-cup ...

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Airmar
depth transducer
depth transducer
B744V TRIDUCER® multisensor

... hulls. Features: - Depth, speed, and temperature in one housing - 600 W - Dual-frequency element: - 50 kHz with a wide 45° beamwidth for depth performance to 353 m (1,200') - 200 kHz with ...

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Airmar
depth transducer
depth transducer
B744VL TRIDUCER® multisensor

... cored-fiberglass or wood hulls. Features Depth, speed, and temperature in one housing 600 W Dual-frequency element: 50 kHz with a wide 45° beamwidth for depth performance to 353 m (1,200') 200 ...

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Airmar
temperature sensor
temperature sensor
DSPRH

Power supply: 24 V
Overall length: min 116.0 mm
Overall width: min 44.0 mm

Depth and AHRS sensor module: full scale of 500 or 2000 meters, temperature, pressure and AHRS configurable up to 100 Hz rating. Applications -ROV or AUV depth sensor, -Auto depth ...

temperature sensor
temperature sensor
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. ...

temperature sensor
temperature sensor
Orbit 880

... oxygen, temperature, depth, salinity and sea current, both magnitude and direction. As an option, it can be fitted with a winch, enabling measurements from several depths. The system will automatically ...

depth transducer
depth transducer
Bar100

The Bar100 pressure sensor is a high-pressure underwater pressure sensor that is sealed from the water and ready to install in a watertight enclosure on your ROV, AUV, or other project. This sensor ...

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BlueRobotics
temperature sensor
temperature sensor
NMEA 0183

... 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 ...

temperature sensor
temperature sensor

DEPTH Depth sensor up to 100 msw (10 barG), with sealed diaphragm and all wet parts in 17-4 PH stainless steel (FKM Elastomer-Standard seal material) high stability and low temperature ...

How to choose this product
depth-transducer

The depth transducer calculates the distance separating it from the seabed and sends the measurement to an electronic device with displays the results on a screen.

Applications

These sensors are essential elements of depth sounders, highly useful devices for sailing in shallow waters with rocky bottoms, channels with shifting sandbanks or in similar situations. They also can be used for finding fish or to determine the amount of chain to pay out based on the depth of the anchorage.

Technologies

The transducer bounces ultrasound signals off the seabed at regular intervals and measures the return time of the echo. Made of bronze or plastic, the device can be part of a through-hull fitting, mounted to the hull's exterior or at the stern. Some operate on several frequencies, permitting analysis of seabed layering, while broad- or multi-beam units simultaneously examine a wide swath of the bottom, often at significant depth.

How to choose

Choice will depend on the instrument's make, connector type and functions, including dual or triple frequency and possible inclusion of a graphic readout. Mounting system is another factor. Through-hull fittings are not recommended for metal hulls, while a stern mount is most suitable for small power vessels.