- Description
Raymarine DST820 Smart Multisensor Transducer Kit
Next-Generation Performance.
Smarter. Faster. More Secure.
The 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.
With 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.
Featuring 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.
Whether 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 on racing instruments, ensuring every tactical decision is data-driven.
Together, 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.
Beyond 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.
Key Features:
- All-in-one depth, speed through water, and water temperature
- Integrated heel-and-trim (attitude) data
- High-resolution speed output with improved update rate
- Simple NMEA 2000 network connectivity
- Wireless calibration and configuration using the Airmar CAST app
- PSTI-compliant for cybersecurity
Cruising and racing operators appreciate DST820’s fast, accurate speed-through-water (STW) measurements that help them fine-tune the sails and rig for maximum performance. Precise STW readings also enable the calculation of accurate VMG and target-speed calculations, giving performance-minded skippers and tacticians a performance edge.
DST820 is equally valuable onboard cruising and performance powerboats by providing accurate depth measurements and linear-speed readings all the way up to 45 knots.
Setup and calibration are handled through Airmar’s CAST app, giving users direct access to configuration and calibration tools from a mobile device without the need for PC-based software.
Designed for Cybersecurity
A key update in DST820 is compliance with the UK Product Security and Telecommunications Infrastructure (PSTI) Act. This introduces a more secure setup process using QR code and one-time password to protect the device on the network.
Compatibility
The DST820 is compatible with Raymarine i50, i60, i70, and Alpha instrument systems, as well as Axiom and Axiom 2 chartplotters. The transducer is fitted with a standard NMEA 2000 DeviceNet Micro-C connector and can readily adapt for SeaTalk NG using adapter cable A06079, sold separately.
Specifications
- Acoustic Window: Urethane
- Hull Deadrise: Up to 22°
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Data Update Rate:
- Depth: 1X/second
- Speed: 5X/second
- Heel/Trim: 10X/second
- Attitude Accuracy: ±1° nominal after sensor calibration
- Depth Frequency: 235 kHz
- Minimum Depth Range: 0.5 m (1.6')
- Maximum Depth Range: Up to 100 m (330') NMEA 2000®
- Speed Range: 0.3 knots to 45 knots
- Pressure Rating: 3 m (10’)
- Supply Voltage: 9 VDC to 16 VDC— per NMEA 2000®
- Supply Current: <200 mA— per NMEA 2000®
- Wireless Protocol: Bluetooth Low Energy (BLE)
- Wireless Range: Up to 30 feet depending on mount location
- Standard Cable Length: 6 m (20’) DeviceNet—NMEA 2000®
- Temperature Sensor Accuracy: ±0.5°C (±1.8°F)
- Temperature Sensor Range: -10°C to 40°C (14°F to 104°F)
- NMEA 2000® Load Equivalency Number (LEN): 2
- CE Regulation: Complies with IEC 60945
