{"product_id":"airmar-st300-shorty-thru-hull","title":"Airmar ST300 Shorty Thru-hull","description":"\u003cdiv class=\"sr-product-content\"\u003e\n\u003cp class=\"sr-lede\"\u003eTransducers 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.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-WEB:a6dada84-3bd7-4fde-b25f-764ee28feea4-12\"\u003e\n\u003csection data-testid=\"conversation-turn-26\" data-turn=\"assistant\" data-turn-id=\"request-WEB:a6dada84-3bd7-4fde-b25f-764ee28feea4-12\" data-turn-id-container=\"request-WEB:a6dada84-3bd7-4fde-b25f-764ee28feea4-12\" dir=\"auto\"\u003e\n\u003cdiv\u003e\n\u003cdiv data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"7cf13c43-e8c5-49f2-a0a1-1d4e6592283d\" data-message-model-slug=\"gpt-5-3-mini\" data-turn-start-message=\"true\" dir=\"auto\" tabindex=\"0\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch3 data-end=\"13\" data-start=\"0\"\u003e\u003cstrong data-end=\"13\" data-start=\"0\"\u003eFeatures:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"681\" data-start=\"15\"\u003e\n\u003cli data-end=\"70\" data-section-id=\"rxl00s\" data-start=\"15\"\u003eFast-response water temperature and speed detection\u003c\/li\u003e\n\u003cli data-end=\"142\" data-section-id=\"trc3x4\" data-start=\"71\"\u003eCan be installed in tight spaces with only 153 mm (6\") of clearance\u003c\/li\u003e\n\u003cli data-end=\"189\" data-section-id=\"9qsyaw\" data-start=\"143\"\u003eTotal housing height is only 75 mm (2.96\")\u003c\/li\u003e\n\u003cli data-end=\"270\" data-section-id=\"1d0h5ib\" data-start=\"190\"\u003eRight-angle cable exit saves space and protects the transducer if stepped on\u003c\/li\u003e\n\u003cli data-end=\"406\" data-section-id=\"f8w607\" data-start=\"271\"\u003eAutomatic shut-off water valve minimizes water ingress into the vessel when replacing the retractable insert with the blanking plug\u003c\/li\u003e\n\u003cli data-end=\"497\" data-section-id=\"3lhggw\" data-start=\"407\"\u003eFins on the sides of the paddle wheel cavity improve accuracy in cross-flow conditions\u003c\/li\u003e\n\u003cli data-end=\"554\" data-section-id=\"1j2pfu3\" data-start=\"498\"\u003ePlastic through-hull housing complies with ABYC H-27\u003c\/li\u003e\n\u003cli data-end=\"641\" data-section-id=\"1wg3ecy\" data-start=\"555\"\u003eIncluded rubber washer allows the hull nut to be tightened on uneven hull surfaces\u003c\/li\u003e\n\u003cli data-end=\"681\" data-section-id=\"5929ki\" data-start=\"642\"\u003eAvailable only in a plastic housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"702\" data-start=\"683\"\u003e\u003cstrong data-end=\"702\" data-start=\"683\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1219\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"704\"\u003e\n\u003cli data-end=\"734\" data-section-id=\"dww0d4\" data-start=\"704\"\u003eCable length: 10 m (33 ft)\u003c\/li\u003e\n\u003cli data-end=\"803\" data-section-id=\"xmnhe3\" data-start=\"735\"\u003eTypical use: cruising\/racing sailboats, leisure boating, fishing\u003c\/li\u003e\n\u003cli data-end=\"837\" data-section-id=\"tupbok\" data-start=\"804\"\u003eFunctions: Speed, Temperature\u003c\/li\u003e\n\u003cli data-end=\"863\" data-section-id=\"v6dln0\" data-start=\"838\"\u003eHole size: 51 mm (2\")\u003c\/li\u003e\n\u003cli data-end=\"885\" data-section-id=\"6ob30n\" data-start=\"864\"\u003eHousing: Urethane\u003c\/li\u003e\n\u003cli data-end=\"924\" data-section-id=\"1kfo8vs\" data-start=\"886\"\u003eHull material: fiberglass or metal\u003c\/li\u003e\n\u003cli data-end=\"969\" data-section-id=\"1ytry7l\" data-start=\"925\"\u003eMounting style: low-profile through-hull\u003c\/li\u003e\n\u003cli data-end=\"991\" data-section-id=\"1d62d9m\" data-start=\"970\"\u003ePower rating: N\/A\u003c\/li\u003e\n\u003cli data-end=\"1069\" data-section-id=\"1egxqi\" data-start=\"992\"\u003ePulses: 17,000 p\/nm* (4.8 Hz per knot) — *p\/nm = pulses per nautical mile\u003c\/li\u003e\n\u003cli data-end=\"1098\" data-section-id=\"3sxi41\" data-start=\"1070\"\u003eRetractable housing: Yes\u003c\/li\u003e\n\u003cli data-end=\"1147\" data-section-id=\"2svlh1\" data-start=\"1099\"\u003eSpeed range: 0.1 to 40 knots (0.1 to 46 MPH)\u003c\/li\u003e\n\u003cli data-end=\"1168\" data-section-id=\"179dlxk\" data-start=\"1148\"\u003eTilt element: No\u003c\/li\u003e\n\u003cli data-end=\"1193\" data-section-id=\"uu6dvs\" data-start=\"1169\"\u003eVoltage: 5 to 25 VDC\u003c\/li\u003e\n\u003cli data-end=\"1219\" data-is-last-node=\"\" data-section-id=\"2aup91\" data-start=\"1194\"\u003eWeight: 0.6 kg (1.3 lb)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- airmar-official:v1 sku:31-256-2-42 page_sha256: tariff_sha256: --\u003e\u003c!-- \/airmar-official --\u003e\u003cdetails class=\"sr-specification-panel\" open=\"\"\u003e\u003csummary\u003eTechnical specifications\u003c\/summary\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003cth\u003eManufacturer reference\u003c\/th\u003e\n\u003ctd\u003e31-256-2-42\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Airmar","offers":[{"title":"Default Title","offer_id":51625873178961,"sku":"31-256-2-42","price":147.38,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4434\/4913\/files\/31-256-2-42-A.png?v=1781500591","url":"https:\/\/www.sailrace.com\/zh\/products\/airmar-st300-shorty-thru-hull","provider":"SailRACE","version":"1.0","type":"link"}