Speed performance has been taken to the next level with the ST900 Speed/Temperature sensor. Featuring the new Gen2 Paddlewheel, the ST900 outperforms all other paddlewheel sensors for responsive startup and linearity. Analog output for use with Raymarine instruments like i40, i50, iTC ~5 and legacy systems.

Analog output for use with Raymarine instruments like i40, i50, iTC ~5 and legacy systems
Retractable for easy maintenance
ST900 transducer core is retrofittable into existing Airmar P120 transducer housings
Records: Speed / Temperature
Hole Size: 51 mm
Speed Range: 0.3 to 45 knots 0.34 to 52 MPH / 0.55 to 83 KPH
Temperature Range: ~10° to 40°C 14° to 104°F
Cable length: 13.7M

Speed performance has been taken to the next level with the ST900 Speed/Temperature sensor.
Featuring the new Gen2 Paddlewheel, the ST900 outperforms all other paddlewheel sensors for responsive
startup and linearity. The Gen2 Paddlewheel begins delivering accurate speed reporting as low as 0.3 knots
and maintains smooth speed output through 45 knots.

Available with a plastic or bronze transducer housing, they sit nearly flush to the boat's hull and minimize
drag with only 5mm extending outside the hull.
The housing has a valve assembly that helps to minimize water ingress in the bilge when the sensor is removed
for routine maintenance of the paddlewheel.