Furuno DL1 Speedlog: High-Precision Speed Measurement for Marine Applications
The Furuno DL1 Speedlog is a high-performance speed measurement system designed for maritime operations. Offering accurate and reliable speed data for vessels, the DL1 Speedlog is a critical tool for navigation, helping to ensure optimal vessel performance, fuel efficiency, and safe maritime operations. Its advanced technology allows for precise measurements of both speed through water and speed over ground, making it an essential device for commercial and recreational vessels alike.
Key Features:
Dual-Speed Measurement: The DL1 Speedlog provides accurate readings of both the vessel’s speed through water (STW) and speed over ground (SOG), offering a comprehensive understanding of the vessel’s movement in relation to the surrounding environment.
High-Accuracy Sensor: Equipped with a state-of-the-art sensor, the DL1 Speedlog ensures precise measurements, providing vital data for vessel operators to make informed decisions.
Real-Time Data Display: The system features a user-friendly display that shows real-time speed data, allowing crew members to monitor the vessel’s speed and performance during operation.
Low Power Consumption: Designed to operate efficiently with minimal power consumption, the DL1 Speedlog is ideal for long-duration voyages, ensuring reliable performance without placing a heavy load on the vessel’s power supply.
Compatibility with Other Furuno Equipment: The DL1 Speedlog integrates seamlessly with Furuno’s range of navigation and communication equipment, including NavNet displays, ensuring a unified system on board.
Easy Installation: The compact design of the DL1 Speedlog allows for easy installation on a variety of vessels, from small recreational boats to larger commercial ships.
Specifications:
Speed Measurement Range: 0 to 60 knots
Accuracy: ±0.01 knots (speed through water), ±0.1 knots (speed over ground)
Power Supply: 12–24 VDC
Dimensions: 70 mm (H) × 150 mm (W) × 100 mm (D)
Weight: Approximately 1.5 kg
Display Type: Digital LCD with backlighting
Communication Protocol: NMEA 0183 or NMEA 2000
Frequently Asked Questions (FAQs):
What is the Furuno DL1 Speedlog used for?
The DL1 Speedlog is used to measure a vessel’s speed through water (STW) and speed over ground (SOG), helping operators monitor performance and optimize navigation.
Which vessels can benefit from the DL1 Speedlog?
The DL1 Speedlog is suitable for a wide range of vessels, including commercial ships, recreational boats, and research vessels, requiring accurate speed data for efficient operation.
How does the DL1 Speedlog measure speed through water and over ground?
The system uses advanced sensors and NMEA communication protocols to measure the vessel’s speed through water and over ground, providing accurate real-time data.
What is the maximum speed measurement range of the DL1 Speedlog?
The DL1 Speedlog can measure speeds ranging from 0 to 60 knots, ensuring reliable data across various vessel types and operational conditions.
How accurate is the DL1 Speedlog?
The DL1 Speedlog offers high accuracy, with a tolerance of ±0.01 knots for speed through water and ±0.1 knots for speed over ground.
What type of display does the DL1 Speedlog use?
The system features a digital LCD display with backlighting, providing clear and easy-to-read speed data even in low-light conditions.
Is the DL1 Speedlog compatible with other Furuno equipment?
Yes, the DL1 Speedlog is fully compatible with Furuno’s NavNet series and other Furuno navigation equipment, providing a seamless integration with onboard systems.
What power supply does the DL1 Speedlog require?
The DL1 Speedlog operates on a 12–24 VDC power supply, making it compatible with most vessels’ electrical systems.
Is the DL1 Speedlog easy to install?
Yes, the DL1 Speedlog has a compact design and is easy to install on a variety of vessel types, from small boats to larger ships.
How does the DL1 Speedlog help improve vessel performance?
By providing accurate and real-time speed data, the DL1 Speedlog helps operators optimize fuel efficiency, maintain safe operating speeds, and improve navigation performance.

