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Airmar ST300 Shorty Thru-hull

Original price was: $183.20.Current price is: $108.09.

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SKU: 31-256-2-42 Category:

Transducers with analog data output, available in plastic, stainless steel, and bronze, providing speed and temperature data. They are available in low-profile, short-thread, or long-thread versions.

Features:

  • Fast-response water temperature and speed detection
  • Can be installed in tight spaces with only 153 mm (6″) of clearance
  • Total housing height is only 75 mm (2.96″)
  • Right-angle cable exit saves space and protects the transducer if stepped on
  • Automatic shut-off water valve minimizes water ingress into the vessel when replacing the retractable insert with the blanking plug
  • Fins on the sides of the paddle wheel cavity improve accuracy in cross-flow conditions
  • Plastic through-hull housing complies with ABYC H-27
  • Included rubber washer allows the hull nut to be tightened on uneven hull surfaces
  • Available only in a plastic housing

Specifications:

  • Cable length: 10 m (33 ft)
  • Typical use: cruising/racing sailboats, leisure boating, fishing
  • Functions: Speed, Temperature
  • Hole size: 51 mm (2″)
  • Housing: Urethane
  • Hull material: fiberglass or metal
  • Mounting style: low-profile through-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)
  • Tilt element: No
  • Voltage: 5 to 25 VDC
  • Weight: 0.6 kg (1.3 lb)
Technical specifications
Manufacturer reference 31-256-2-42