Airmar UDST820 TriSonic Plastic Thru-Hull Transducer - N2K

The Airmar UDST820 TriSonic Smart Sensor combines ultrasonic speed, depth, water temperature, and heel and trim data in a low-profile plastic thru-hull transducer. Its ultrasonic speed sensor has no paddlewheel or other moving parts, helping reduce maintenance requirements for powerboats and sailboats. Sensor functions: Ultrasonic speed, depth, water temperature, and attitude data Network: NMEA 2000 output with N2 Micro connector and LEN 6 Calibration: Bluetooth BLE connectivity to the Airmar CAST app for basic and advanced speed and depth calibration Speed range: 0.1 to 35 knots (40 MPH) Depth range: 0.6 to 100 m (2 to 328 ft.) Water temperature range: -4 to 40°C (24.8 to 104°F) Temperature accuracy: +0.5°C (+1.0°F) Installation: Low-profile thru-hull mounting with a 51 mm (2 in.) hole size, manual retraction, and retractable housing Hull compatibility: Fiberglass or metal hulls; fits most Airmar 2 in. housings Construction: Plastic housing with epoxy/urethane acoustic window and 57 mm (2.25 in.) usable shaft length Cable: 6 m (20 ft.) NMEA 2000 cable Electrical: 9 to 16 VDC, 100 W power rating, and 80 to 200 mA current draw; 125 mA average at 12 VDC Data rate: Up to 10 times per second Speed-data updates: Up to 5 times per second Wireless range: Up to 30 ft., depending on mount location Frequency: 235 kHz Weight: 1.4 kg (3 lb.) Country of origin: USA Manufacturer part number: UDST820P-N2 UPC: 801769030297 Suitable for saltwater and freshwater use, the UDST820 is designed for cruising and racing sailboats as well as leisure and yachting applications. The CAST app is compatible with iOS and Android smart devices.