The YDK Technology Yokogawa Speed Log Sensor LS571-1N2 is a robust marine instrument. This sensor is crucial for a vessel’s navigation system. In fact, it is the heart of the renowned Yokogawa EML500 electromagnetic speed log system. This sophisticated device measures the ship’s speed accurately through the water. It also tracks the total distance traveled.
The sensor utilizes advanced electromagnetic technology. This ensures precise and reliable speed data. Therefore, it is ideal for commercial and high-speed vessels. The LS571-1N2 features a single-axis, sensitive rodmeter. Its diameter is 70mm. This compact design allows for flush-mounting on the vessel’s hull. This makes installation straightforward.
A key feature is the built-in preamplifier. This component boosts the signal strength. Consequently, it allows for stable data transmission over long distances. The sensor can be placed up to 300 meters away from the master unit without signal degradation. The sensor is built to last. It withstands harsh marine environments. The durable construction resists corrosion and wear. This guarantees long-term performance and reliability. In summary, this sensor provides accurate speed information, thereby enhancing navigation safety.
Technical Specifications
- Model Name: LS571-1N2
- Product Type: Electromagnetic Speed Log Transducer / Sensor
- Associated System: Yokogawa EML500 Electromagnetic Speed Log
- Measurement Axis: Single-axis (Fore-aft speed)
- Sensor Type: Sensitive Rodmeter
- Rodmeter Diameter: 70mm
- Preamplifier: Built-in
- Max Cable Length: 300 meters (between sensor and master unit)
- Installation Method: Flush-mount on the vessel’s hull
- Application: Marine speed measurement for navigation
The recommended replacement and upgrade for the EML500 is the YDK EML900 Electromagnetic Speed Log






