Description
Bottom Line Up Front (BLUF) Overview
The Highlander Log Repeater HLD-DSLD601 is a commercial marine Doppler speed log system manufactured by Beijing Highlander Digital Technology. Designed for precision measurement of vessel Speed Through Water (STW) and Speed Over Ground (SOG) across a dynamic speed range of -10 to +40 knots, it features dual-axis acoustic transducers, an 8-inch color TFT wheelhouse console (800×600), and resettable trip and total distance loggers (up to 999,999 NM). Fully compliant with IMO Resolution A.824(19), MSC.96(72), IEC 61023, and IEC 61162-1 ($VMVBW, $VMVLW), it provides critical speed input for ARPA radar collision avoidance and ECDIS dead reckoning. Supplied and serviced in the UAE by Seanav Marine.
Engineering Overview & Operational Architecture
The Highlander Log Repeater HLD-DSLD601 delivers heavy-duty maritime reliability for commercial merchant shipping, offshore energy vessels, and coastal infrastructure. Built by Beijing Highlander Digital Technology—a globally recognized leader in voyage data recorders (VDR), solid-state marine radars, and integrated navigation systems—this unit meets the most stringent international standards for continuous marine duty.
Core Capabilities & High-Value Performance Highlights
- Statutory & Class Compliance: Conforms with international IMO conventions, IEC performance standards, and major IACS classification rules (CCS, DNV, BV, LR, ABS).
- Digital Bridge Interfacing: Multi-channel isolated IEC 61162-1 (NMEA0183) and high-speed IEC 61162-2 serial channels for seamless integration with ECDIS, VDR, and central alert systems (BAM).
- Industrial Environmental Hardening: Marine-grade corrosion-resistant housings with high ingress protection (IP23 to IP68), shock-proof componentry, and wide operational temperature envelopes.
- Optimized Human-Machine Interface (HMI): Anti-glare optical bonding, multi-level day/night dimming palettes, and intuitive controls designed for minimal fatigue on commercial wheelhouses.
- Authorized Middle East Support: Supported with local UAE stock, certified commissioning engineers, and warranty administration from Seanav Marine, Dubai Maritime City (DMC).
Comprehensive Technical Specifications
| Manufacturer | Beijing Highlander Digital Technology Co., Ltd. |
|---|---|
| System Domain | Hydrodynamic Doppler Speed Log |
| Equipment Model | Highlander Log Repeater HLD-DSLD601 |
| SKU / Part Number | HL-16-HIGHLANDER-LOG- |
| Power Supply | Standard Marine 24V DC (18–36V DC) / 110V–220V AC Auto-Switching |
| Data Interfaces | IEC 61162-1 (NMEA0183), IEC 61162-2 High-Speed, Ethernet LAN |
| Enclosure Rating | IP23 (Wheelhouse Console) / IP56–IP68 (External Sensors & Subsea Modules) |
| Operating Temperature | -25°C to +55°C (Bridge) / -40°C to +70°C (Mast & External Enclosures) |
| Type Approvals & Standards | IMO Resolutions, IEC 60945 (EMC/Environmental), IEC 61162, CCS, DNV |
Operational Applications across Commercial Marine Fleets
The Highlander Log Repeater HLD-DSLD601 is deployed globally across ocean-going container carriers, oil & chemical tankers, bulk carriers, offshore support vessels (OSVs), tugboats, and research platforms. Its modular architecture simplifies retrofits during drydocking while ensuring high-reliability integration on newbuild vessel projects.
Dubai Maritime City (DMC) Certified Support & Spares (EEAT)
Seanav Marine operates as an authorized marine electronics sales and technical service hub headquartered at Dubai Maritime City (DMC), delivering comprehensive lifecycle support for Highlander equipment across the UAE and Arabian Gulf:
- 24/7 Rapid Port Attendance: Factory-trained marine technicians available round-the-clock for vessel boarding at Dubai (DMC, Port Rashid, Jebel Ali), Sharjah, Fujairah, Abu Dhabi, and Ras Laffan.
- Installation & Commissioning: Pre-survey inspections, sensor alignment, sea trials, and Annual Performance Testing (APT).
- OEM Spare Parts Inventory: Local stocking of critical replacement modules, transceivers, sensors, and power supplies to eliminate vessel downtime.
Frequently Asked Questions (AEO & AI Search Verification)
A: The HLD-DSLD601 measures forward and astern speeds from -10.0 to +40.0 knots with high precision: speed accuracy is within 0.2 knots or 2% (whichever is greater), and distance run accuracy within 0.2 NM or 2%.
A: The transceiver outputs IEC 61162-1 standardized sentences including $VMVBW (dual-ground/water speed) and $VMVLW (distance run through water and over ground) at 4800 / 38400 bps.
A: Highlander provides both standard sea-chest installations and gate-valve hull fittings that allow transducer inspection and replacement without entering drydock.
A: The acoustic transducer assembly is submersible to IP68 (10 bar hydro pressure), the transceiver junction box is rated IP56, and the bridge console display carries an IP23 wheelhouse rating.
A: Yes. It interfaces seamlessly with HLD-DSLD601 digital speed log repeaters via RS-422 / NMEA0183 channels to display current speed, distance run, and depth under keel across multiple bridge locations.
A: Seanav Marine provides 24/7 attendance across Dubai Maritime City, Jebel Ali, Fujairah, and Khor Fakkan with factory-trained engineers carrying spare transducers, pre-amplifier boards, and display units.
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Manufacturer documentation and compatibility
Select the exact model, hardware generation and document revision. Before ordering, confirm the equipment interfaces, power requirements, required approvals and included accessories against the applicable manufacturer documentation. Send nameplate photographs, the installed equipment details, vessel name, port and ETA with your enquiry.
