SKIPPER - DL21 Speed Log

- Dual Axis Doppler Speed Log
- Independent Single Axis Doppler Speed Log
- Water speed in single and dual axis (STW)
- Ground speed in dual axis (SOG)
- Docking functionality as standard (Three axis in STW and SOG)  
- 9" Touch Display
- Sea Temperature readout
- LAN and NMEA 0183 output
- User friendly programmable displays and integrated menus
- Fully automatic settings
- Resultant Sea Current in speed and direction

Overview

The SKIPPER DL21 is a Dual Axis Doppler Speed Log and a Single Axis Doppler Speed Log in one sensor unit. It is working on the doppler principle, providing longitudinal and transversal ship’s speed (STW and SOG) and distance relative to sea water. The SKIPPER DL21 gives accurate navigation parameters, measured as they happen, and presented in a logical, user friendly way.
 
The new DL21 Speed Log is designed for ships over 50.000 GT with simultaneous and independent measurement of speed through water and speed over ground. This is according to new IMO resolution MSC334(90).

Specification

 

 

DL21

SOG+STW 2-axis

STW 1-axis

Operating Frequency

270-284 kHz

700-730 kHz

Speed range

+45 to - IO kn Longitudal

+/-50 knots

+/- 25knot Transversal

Bottom track

1-150 meters

NA

Water track

<3m (2-12m)

<3m (2-12m)

Aft transversal speed

Yes

NA

Accuracy (better than)

0.2 knots or 2%

0.2 knots or 2%

whatever

whatever

greater

greater

Temperature accuracy

<l °C

<I °C

Control unit

CU-MOO I-SA

CD402CU -SA

9" Touch display

LED display

240*155mm.

144*144mm

Ethernet

Ethernet

Electronic unit

 

JB70D21

 

Combined but electrically isolated

SOG+STW 2-axis and STW I-axis.

Dimensions: 115*115*180mm

Com. with control unit

LAN

LAN

NMEAoutput

VBW, VLW, MTW, VHW,

VBW, VLW, MTW,

XOR, ALR, ALF, ALC,

VHW, XOR, ALR

HBT, DPT

 

NMEA input

ACK,ACN, DOC,

ACK, DOC, VTG, ZDA,

VTG, ZDA, GGA ROT,

GGA

PSKPRSTT (Trip reset)

 

Pulse output

Yes

Yes

Analog output

No (future option)

Yes

Alert

High/low Speed alert,

High/low Speed alert,

Power failure alert, system

Power failure alert,

failure alert

system failure alert

Power supply

AC 115 - 230 V 50/60 Hz,

DC 24V.

and/or DC 24 V.

Max 60W

Max 60W

 

 

 

Sensor

DL2 I SG. combined but electrically isolated DL2 and

DL 1 100mm

Sea Valves

Single bottom, Double bottom

IP rating

IP22 Control unit

IP22 Electronic unit

IPX7 Sensor unit

Accessories

CD40 I MR-SB Multirepeater.

IR300 Speed repeater(with aft speed),

Dimming Control

Classification

IMO

Documents

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