Airmar 44-164-1-01 ST850 P17 Smar Sensor NMEA 2000
The ST850 is a low-profile, retractable, thru-hull sensor that computes accurate speed and temperature data and sends it to any NMEA2000 display or network. These low-profile units are nearly flush and minimize drag with only 5 mm (3/16″) extending outside of the hull. The housing features a water valve which minimizes water ingress into the boat when the retractable insert is temporarily out for cleaning.
