Magnetic speed sensor UDST800 Ultrasonic Smart™ Sensor Thru-hull

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UDST800 Ultrasonic Smart™ Sensor Thru-hull Depth, Speed, and Temperature TRIDUCER® Multisensor Airmar’s patented UDST800 just turned your maintenance time into more cruising time—and made your boat smarter too. Get ultrasonic speed, depth, and temperature in a single thru-hull housing with no moving parts. Say goodbye to paddlewheel maintenance and hello to Smart™ technology, from the company who invented the Smart™ Sensor. Features: - Ultrasonic speed, depth, and fast-response water-temperature sensing - Single housing with no moving parts—no paddlewheel - Precise readings at high speeds ideal for powerboats, cruising, and sailing - Advanced filtering and sampling rates for increased accuracy at all speeds - Adapts automatically to boat speed, water depth, and water clarity, keeping speed accuracy consistent - 235 kHz frequency prevents interference with other echosounders on the vessel - Retractable plastic insert in a low-profile plastic housing with water valve - Also available in a bronze (B617V) or stainless steel (SS617V) housing - Retrofits into Airmar’s P617V, B617V or SS617V housing - Airmar's Smart™ Sensor technology