Airmar Technology Corporation
Airmar - Model ST61 -Transom Mount Sensor
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.
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- 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
- Functions: Speed, Temperature
- Mounting Style: Transom
- Power Rating: N/A
- Housing: Urethane
- Hull Material: Compatible w/ all hull materials
- Retractable housing: No
- Angle: 12 to 20°, 3° transom angle with fabricated shim
- Common Use: Cruising/Racing Sailboats, Leisure/Yachting, Fishing
- Pulses: 19,000 p/nm* (5.3 Hz per knot)—*p/nm = pulses per nautical mile
- Speed Range: 1 to 50 knots (1 to 58 MPH)
- Tilted Element: No
- Voltage: 5 to 25 VDC
- Weight: 0.3 kg (0.6 lb.)