The dual-frequency B744V includes a single ceramic element delivering both 50 kHz with a 45° beam width, and 200 kHz with a 12° beam width. 50 kHz low-frequency operation offers a maximum operational depth of 900 m (3000 ft), while 200 kHz high-frequency provides higher-resolution fish arches and bottom detail in shallower water.
One sensor does it all. Able to measure depth, speed and temperature in a single package, the B744V simplifies installation and requires just one connection to your echosounder module or multifunction display.
With bronze housing, the B744V is suitable for thru-hull mounting in fiberglass and wood hulls. Thru-hull mounting places the transducer in the water on the outside of your boat’s hull; a hole must be drilled for installation, and a fairing block is required to ensure proper alignment. This typically offers the best depth measurement and fishfinding performance.
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