• Single Axis Doppler Speed Log
  • Water speed (STW) in Single Axis
  • Display in 28 x 30 LED dot matrix with full night dimming
  • Sea Temperature readout
  • NMEA 0183 output
  • 3 userfriendly programmable displays and integrated menus
  • Fully automatic settings

The SKIPPER DL1 is a Single Axis Speed Log, working on the doppler principle, providing longitudinal ship’s speed (STW) and distance relative to sea water. The SKIPPER DL1 gives accurate navigation parameters, measured as they happen, and presented in a logical, user friendly way.



DL1  Units
Number of Axis 1
Speed range longitudinal +/-50  knots
Water track (from) 3  meter
Accuracy (Better than) 0.2  knots
Temperature accuracy Better than 1  °C
Display 28 x 30  LEDs
Mounting dimensions 124 x 124
Bracket or panel mounting
Front plate 144 x 144 to DIN standard  mm
Cabinet mounting depth with cable 90  mm
Weight cabinet 2.5  kg
Standard cable length for display 2  m
Standard cable length for sensor 40  m
Sea Valve:
Single bottom Yes
Double bottom Yes
Steel Yes
Aluminium Yes
Speed alarms – High and low speed limits
– Power failure
– Sensor failure
Outputs – 2 x NMEA 0183
– 2 x contact closure (pulse)
– Alarm (relay)
Inputs – 1 NMEA 0183 (OPTO isolated)
– External Dimming (pulse)
Accepted NMEA formats
Speed VBW, VHW
Distance VLW
Others MTW (temp)
Power supply AC: 115 – 230 V 50/60 Hz
DC: 24 V
Power consumption Max. 30 W for complete speed log
Language English
Classification Made to IMO performance standard
Service Available in most major harbours, world-wide through extensive dealer network
Navigation Speed Logs