The ST61 consists of a paddlewheel speed carrier that snaps into a small transom housing containing sensing electronics. This standalone unit gives accurate speed readings over a wide speed range.
Speed and fast-response water-temperature sensing
Provides accurate linear pulse output over a wide speed range
Cable exit through the top of the housing or forward through the hull
Paddlewheel carrier is easy and inexpensive to replace
Chemical and impact resistant plastic housing
Weight: 0.3 kg (0.6 lb).
Hull Material: All rigid materials
12 to 20°
3° transom angle with fabricated shim
Bracket Vertical Adjustment: 18 mm (0.70")
Speed Range: 1 to 50 knots (1 to 58 MPH)
Power Supply Voltage: 5 to 25 VDC