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).
Description
Features
- IMO Wheelmarked with MED-B
- Water speed log dual axis (STW)
- Independent single axis Doppler speed log (STW)
- Ground speed in dual axis (SOG)
- Docking functionality as standard (Three axis in STW and SOG)
- Touch display
- Sea temperature readout from sensor
- LAN and NMEA0183 output
- User friendly programmable displays and integrated menus
- CCS available on request
| Speed log | DL21 |
| Number of axis | 2 and 3, with 1 axis in addition |
| Speed range longitudinal | +/- 50 knots |
| Speed range transversal | +/- 50 knots |
| Water track (from) | 2 meter |
| Temperature accuracy error | <1°C |
| Primary frequency | DL2: 270 SOG 850-920 STW primary 264 STW secondary / DL1: 700-730 kHz |
| Power supply | • AC:115-230 V 50/60 Hz • DC: 24 V |
| Power consumption | Max 30 W for complete speed log |
| Display | 9" Touch and dot LED display |
| Mounting dimensions display | • 124x124 mm. Bracket or panel mounting • 190x119x114 mm for touch display |
| Accuracy | 0.2 knots or 2% whichever is greater |
| Cable length for display | None |
| Weight | • 1 kgs for CD402CU-XX • 1,5 kgs for JB70D21-XX • 1.4 kgs for CU-M001-XX • 10 kgs for sensor with 40 m cable |
| Mounting options | • Steel Tank • Aluminium tank • 100 mm sea valve for single bottom • 100 mm sea valve for double bottom • Retrofit in ETNSLB used for DL850 540 kHz • Retrofit in sea valve for Sperry SRD 421/500 |
| Speed alarms | • High and low speed limits • Power failure • Sensor failure |
| Clock | DL2: internal or From NMEA DL1: From NMEA |
| Outputs | • 3 x LAN (IEC61162-450) • 8 x NMEA0183 (IEC61162-1) • 5 x Auxiliary (pulse, limit etc.) • 2 x Relay (alarm etc.) |
| Inputs | • 3 x LAN (IEC61162-450) • 3 x NMEA0183 (IEC61162-1) • 3 x Auxiliary (alarm and sync) |
| NMEA outputs | • Speed: VBW and VHW • Distance: VLW • Others: MTW (Temperature) |
| Classification | • IMO Wheelmarked • CCS on request • MED-B • MSC334(90) • IEC61023 • IEC60945 • IEC61162-1/2/450 • IEC62288 • Ready for IEC61924 |
| IP rating | • IP 22 control unit |
| Service | Available in most major harbours, world-wide through extensive dealer network |
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