BRAND: SPERRY MARINE / C-PLATH
TYPE: NAVIGAT
Naviknot III Speed Log Display
Overview
The Naviknot III Speed Log Display (Model 020440-0000-000) is the dedicated display unit for Sperry Marine’s Naviknot multi-sensor speed log series. It presents speed and distance data in a clear, user-friendly format, allowing bridge operators to monitor both “through-water” and “over-ground” speeds in real time.
Key Features
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Dual Speed Modes: Capable of showing both speed through water (STW) and speed over ground (SOG), supporting multiple sensor inputs (electromagnetic, Doppler, satellite) within the Naviknot system.
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Intuitive Display: Clear, readable interface showing speed, distance passed, and mode status. The system is built for easy interpretation during docking or navigation operations.
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Modular & Flexible: Designed to integrate into Sperry’s Naviknot series, which supports a variety of sensor types and allows for upgrades or retrofits.
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High Accuracy & Certification: Guarantees precision in speed readings (±1% or 0.1 knot, whichever is greater) and holds type-approval for maritime use.
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Global Service Support: Backed by Sperry Marine’s worldwide service network.
Typical Technical Specifications
(Note: These are general for the Naviknot series; exact specs depend on system configuration.)
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Speed Accuracy: ±1% or 0.1 knot
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Sensor Types Supported: Electromagnetic, Doppler, GNSS / satellite
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Type Approval: MED / IMO / relevant marine certifications
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Display & Interface: Digital numeric readout and status indicators
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Distance Logging: Tracks and displays cumulative distance passed (log)
Why Choose It
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Offers versatility and precision by combining multiple speed-measurement technologies.
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Provides clear, actionable data on both water and ground speeds to assist navigation and maneuvering.
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Suited for retrofit or new installations across vessels from yachts to commercial ships.
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Backed by type approval and global service support, which ensures reliability and compliance.
