AIRMAR ST300 Shorty™ Thru-hull

The ST300, speed and temperature sensor is low in price and short in size. As part of our Shorty^™Series, it is designed for boats with limited headroom. The total height of housing is only 75 mm (2.96″). And the P371, low-profile housing is nearly flush and minimizes drag with only 5 mm (3/16″) extending outside of the hull. The optional, P398, countersunk housing mounts flush, eliminating turbulence for more accurate speed readings.

Caratteristiche

• Speed and fast-response water-temperature sensing
• Can be installed in tight spaces with only 153 mm (6″) of headroom
• Total height of housing is only 75 mm (2.96″)
• Right-angle cable exit saves space and protects transducer if stepped on
• Self-closing water valve minimizes water entering the boat when the retractable insert is being replaced with the blanking plug
• Fins on sides of paddlewheel cavity provide improved accuracy in cross-flow conditions
• Plastic thru-hull housing is ABYC H-27 compliant
• Included rubber washer allows tightening of the hull nut to irregular hull surfaces
• Available in a plastic housing only

Options

• Speed sensor only
• P398 countersunk housing which requires a special cutter to install

Specifications

• Cable-Length: 10 m (33′)
• Common Use: Cruising/Racing Sailboats, Leisure/Yachting, Fishing
• Functions: Speed, Temperature
• Hole Size: 51 mm (2″)
• Housing: Urethane
• Hull Material: Fiberglass or metal
• Mounting Style: Low Profile Thru-Hull
• Power Rating: N/A
• Pulses: 17,000 p/nm* (4.8 Hz per knot)—*p/nm = pulses per nautical mile
• Retractable housing: Yes
• Speed Range: 0.1 to 40 knots (0.1 to 46 MPH)
• Tilted Element: No
• Voltage: 5 to 25 VDC
• Weight: 0.6 kg (1.3 lb.)

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