DST-2 Depth, Speed & Temperature Module
The Actisense DST-2 module is the market-leading way to take analogue transducers into the digital age.
When used with new or existing transducers fitted to a vessel, the DST-2 digitises depth, speed and temperature transducer signals into NMEA data to deliver best-in-class seabed tracking.
The frequency of the DST-2 must match that of the transducer. Typical frequencies used by manufacturers are 150 kHz, 170 kHz & 200 kHz.

The module is ideal for operation with any NMEA 0183 compatible devices, such as chart plotters, radars or an on-board PC. In addition, it can be calibrated via a PC for various sensors and installations using the DST Smart Calibration Utility.
Geek Mode
  • Digitises analogue signals into NMEA 0183 data
  • Use with any NMEA 0183 compatible device
  • Range of frequencies available
  • Flash upgradeable ‘future-proof’ design
  • Can be calibrated
  • Trip data available with speed transducers

Technical Specification

Supply voltage   11 28 V
Supply current Supply voltage 12v 30 40 mA
  Supply voltage 24v 30 40 mA
NMEA in/out        
Input voltage tolerance Continuous operation -15 +15 V
Differential input voltage Required level for data to be detected 2.0 - V
Output current RS485 / RS422 compatible - 10 mA
Baud rate   4800 - bps
Data output rate   - 1 sec
Depth Sensor dependent (Configurable Cal)      
Range (narrow beam) Airmar P66, P79, < 10 knots, ideal conditions 0.3 200 metres
Range (wide beam) Airmar DT800, < 10 knots, ideal conditions 0.5 150 metres
Range (narrow beam) Airmar P66, P79, 10-40 knots, ideal conditions 0.3 100 metres
Range (wide beam) Airmar DT800, 10-40 knots, ideal conditions 0.5 100 metres
Speed Sensor dependent (Configurable Cal)      
Range Airmar P66, DST800, calibrated 5 Hz / knot 0.5 50 knots
Temperature Sensor dependent (Configurable Cal)      
Range Airmar, calibrated 10k @ 25 °C -10 50 °C
General        
Gland clamping range Cable diameters accommodated 4.5 10 mm
Ambient temperature   -20 +70 °C
DST-2 Depth, Speed & Temperature Module
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Testimonial
“I can’t stress enough how clean the Actisense products installed, the quality of the equipment and NMEA cabling, and how well everything works.”
Joe Wharton, Wharton Boatworks LC, USA
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