Airmar DST810 Smart Multisensor With Gen2 Paddlewheel

2021 Marine Electronics Winner Innovative Sailing

Boost your data accuracy with a sensor that’s smarter.

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Product Information

Multisensors can be notoriously unreliable, especially when it comes to paddlewheel speed-through-water readings, but Airmar’s DST810 Smart Multisensor features a Gen2 Paddlewheel. That means you’ll enjoy start-up speed-through-water data below 0.3 knots, becoming linear at 0.6 knots and maintaining accurate performance clear up to 45 knots. Slow-speed “jitters” are eliminated with 5.7 Hz speed resolution. Better yet, you can easily calibrate the paddlewheel with your cell phone via the Airmar CAST app and wireless connectivity. But that’s just one of the data windows opened up with this sensor. It also delivers water temperature, depth, and even heel and trim via an integrated ­attitude sensor. Data is delivered via NMEA2000 and/or wirelessly via the CAST app.



  • Weight:
    —0.9 kg (2.0 lb)—Plastic
    —1.6 kg (3.5 lb)—Bronze
    —1.9 kg (4.2 lb)—Stainless Steel
  • Acoustic Window: Urethane
  • Hull Deadrise: Up to 22°
  • 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')—NMEA2000
  • Speed Range: Up to 45 knots
  • Pressure Rating: 3 m (10')
  • Pulse Rate: 20,000 p/nm* (5.6 Hz per knot)
  • Supply Voltage: 9 VDC to 16 VDC— per NMEA2000®
  • Supply Current: <200 mA— per NMEA2000®
  • Wireless Protocol: Bluetooth Low Energy (BLE)
  • Wireless Range: Up to 30 feet depending on mount location
  • Standard Cable Length: 6 m (20’) DeviceNet—NMEA2000® Temperature Sensor Accuracy: ±0.5°C (±1.8°F)
  • Temperature Sensor Range: -10°C to 40°C (14°F to 104°F) NMEA2000® Load
  • Equivalency Number (LEN): 3
  • CE Regulation: Complies to IERC60945