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DOPPLER SONAR
JLN-550
The JLN-550 Doppler Sonar providing ship speed information has higher stability in the dual frequency modes, and smaller size dual-frequency transducer to be easy installation and maintenance. The dual frequency mode function will be superior in measuring of the ship's speed against the ground up to larger depths and also the water with tiny bubbles.
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DOPPLER LOG
JLN-205
The JLN-205 Doppler Log is designed as a device of ship speed measurement and information. The JLN-205 utilizing high frequency of ultrasonic wave brings high stability and accuracy of speed measurement.
In addition, a miniaturized transducer will enable to install on the bow where is in less influence against tiny bubbles.
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