{"product_id":"garmin-airmar-dst-820-nmea-speed-depth-temperature-heel-trim-pitch-transducer","title":"Garmin Airmar DST 820  NMEA Speed, Depth, Temperature, Heel, Trim, Pitch, Transducer","description":"\u003cp\u003eCombine depth, speed and temperature sensing with heel, trim, pitch and roll data in one plastic thru-hull NMEA 2000® smart transducer. It reads depths up to 100 m (330 ft) and delivers water-speed signals at 5 Hz for smooth visualisation on compatible chartplotters and displays.\u003cbr\u003e\u003cbr\u003eBluetooth® connectivity lets you manage sensor calibration through the AIRMAR Cast™ app. Its 235 kHz operating frequency helps reduce mutual interference with other echosounders, while a wide, fan-shaped 10 × 44° beam helps maintain bottom detection on steep-deadrise hulls and heeling sailboats.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl ldRYJK\"\u003e\u003cstrong\u003eDepth, Speed-Through-Water, Water Temperature, Boat Attitude\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl nRncp\"\u003eThe new DST820 Smart Multisensor is the next evolution of Airmar’s industry-leading technology, replacing the DST810 and introducing PSTI compliance for enhanced onboard network security.\u003c\/p\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl nRncp\"\u003eWith its secure QR-code setup, connecting your DST820 has never been easier—or safer. Simply scan the QR code and enter a one-time security password on your mobile device to protect your sensor on the network.\u003c\/p\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl nRncp\"\u003eFeaturing Airmar’s high-performance Gen2 paddlewheel, the DST820 delivers unmatched speed-through-water accuracy— providing precise start-up data below 0.3 knots, linear accuracy from 0.6 knots, and stable, reliable readings all the way up to 45 knots.\u003c\/p\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl nRncp\"\u003eWhether you’re a day sailor, weekend cruiser, or tactical racer, accurate speed-through-water (STW) data helps you fine-tune sail trim and rig balance for maximum performance. For racers, precise STW readings enable accurate velocity made good (VMG) and target speed calculations, ensuring every tactical decision is data-driven.\u003c\/p\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl nRncp\"\u003eTogether, the DST820 and Airmar’s CAST™ app make speed calibration simpler than ever. The free CAST app provides powerful calibration tools—once only available through costly PC-based software—now instantly accessible from your smartphone or tablet. Choose from basic or advanced calibration options to suit your needs.\u003c\/p\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl nRncp\"\u003eBeyond speed, the DST820 measures depth and water temperature, and provides a 5.7 Hz (5× per second) speed output with improved resolution. Its integrated attitude sensor delivers heel and trim data, enabling heel-compensated speed calibration across multiple heel angles and speed ranges—fast, intuitive, and completely independent of onboard instruments.\u003c\/p\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl nRncp\"\u003eWith depth tracking from 0.5 m (1.6 ft) to 100 m (328 ft), the DST820 also provides reliable depth data to help ensure you never run aground.\u003c\/p\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl nRncp\"\u003eThe result: industry-leading speed accuracy, wireless calibration convenience, and next-generation security—all in one powerful, compact sensor.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e6m Cable\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransducer frequency\u003c\/th\u003e\n\u003ctd\u003e235 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransducer power\u003c\/th\u003e\n\u003ctd\u003e100 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransducer beamwidth\u003c\/th\u003e\n\u003ctd\u003e100 x 44 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransducer maximum depth\u003c\/th\u003e\n\u003ctd\u003e330 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransducer depth\/speed\/temperature\u003c\/th\u003e\n\u003ctd\u003eDepth, Temperature and Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransducer number of pins\u003c\/th\u003e\n\u003ctd\u003eNMEA 2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransducer supported deadrise\/transom angles\u003c\/th\u003e\n\u003ctd\u003e0 to 22 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr class=\"title\"\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003ch3\u003eTransducer Support\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransducer frequency\u003c\/th\u003e\n\u003ctd\u003e235 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Garmin","offers":[{"title":"Default Title","offer_id":55727662170488,"sku":"$002000103301","price":342.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/9146\/7500\/files\/dst820.png?v=1793957121","url":"https:\/\/foxschandlery.com\/products\/garmin-airmar-dst-820-nmea-speed-depth-temperature-heel-trim-pitch-transducer","provider":"Fox's Chandlery","version":"1.0","type":"link"}