Experience unparalleled precision in marine navigation with the Ninglu DS99 Marine Doppler Speed Log. This advanced system features a rugged 7-inch TFT LCD display (480×234 pixels) that provides crystal-clear Arrow+Digital Speed readings, ensuring critical velocity and distance data is always visible. The robust display housing is crafted from high-impact, UV-stabilized ABS plastic, designed to withstand the harsh marine environment with an IP23 protection rating.
The core of the DS99 system is its precision Doppler technology transducer, housed in a formidable marine-grade 316 stainless steel sensor. This thru-hull unit boasts an IP56 waterproof rating, ensuring relentless performance against saltwater corrosion and constant exposure. The sensor unit, visibly constructed with meticulous flange and bolt connections, integrates seamlessly with vessel systems via IEC 61162‑1 data output (VBW, VLW), confirming its professional-grade compatibility.
Key specifications include:
- Speed Range: -10 to +40 knots
- Speed Accuracy: 0.2kn or 2% (whichever is greater)
- Distance Accuracy: 0.2NM or 2% (whichever is greater)
- Trip Counter: 0‑9999.99 NM
- Total Counter: 0‑999999.99 NM
- Power Supply: AC110/220V 50/60Hz
- Operating Temperature: -15 ~ +55℃ (Recommended: 0 ~ +40℃)
- Humidity Tolerance: 93%±2% at 40±3℃
Further enhancing its reliability, the Ninglu DS99 system carries CCS Certified Safety, ensuring it meets rigorous maritime standards. Its components maintain critical compass safe distances, with the display at STD 1.08m / STEER 0.45m, and the controller at STD 1.32m / STEER 0.84m. From its brushed stainless steel sensor to its durable display, every aspect of the DS99 is engineered for industrial strength and high-accuracy velocity tracking, making it an essential tool for serious marine operators.
Frequently Asked Questions
- How reliable is the DS99's speed and distance measurement in varying marine conditions?
- The Ninglu DS99 utilizes precision Doppler technology, ensuring exceptional accuracy of 0.2kn or 2% for speed and 0.2NM or 2% for distance. Its robust design is certified to operate reliably from -15℃ to +55℃ and at 93%±2% relative humidity, making it suitable for diverse and challenging marine environments.
- What materials ensure this device withstands harsh saltwater environments and corrosion?
- The critical thru-hull transducer sensor is manufactured from marine-grade 316 stainless steel, renowned for its superior resistance to saltwater corrosion. Key fittings are made of durable brass. The display unit's housing is UV-stabilized ABS plastic, providing robust protection against environmental degradation.
- Is the Ninglu DS99 compatible with existing vessel navigation systems and easy to integrate?
- Yes, the DS99 offers industry-standard IEC 61162‑1 data output (compatible with NMEA 0183 protocols VBW and VLW), allowing seamless integration with most modern marine navigation systems. Installation requires a standard thru-hull mounting for the sensor and power connection to AC110/220V 50/60Hz sources.