DP-20 Doppler Log

DP-20 Doppler Log is shipborne underwater speed measuring navigation equipment. Adopting dual-beam ultrasonic transceiver technology, it accurately measures ship speed and distance, and effectively reduces measurement errors caused by vessel rolling and pitching. It outputs multiple standard signals to provide reliable speed data for radar, ECDIS, VDR and other marine equipment, meeting speed measurement requirements of various vessels.

Item	Specification
Model	DP-20
System Composition	Display Unit: DP-201 Control Unit: DP-202 Transceiver Unit: DP-203 Transducer Unit: DP-204
Speed Range	-10~40KN
Distance Display	0–9999.99NM
Rated Voltage	AC110/AC220
Speed Accuracy	Whichever is greater
Distance Accuracy	Whichever is greater
Measuring Depth	＞3M
Operating Frequency	1MHz
Magnetic Safe Distance	Standard Compass 2M
Enclosure Ingress Protection	Display Unit: IP23 Control Unit: IP23 Transceiver Unit: IP23 Transducer Unit: IP68

Features&KeyHighlights

1、Equipped with high-speed DSP acquisition unit and digital signal processing circuit, featuring fast speed response, high measurement accuracy and stable signal output.
2、Dual-beam transceiver working mode reduces measurement deviation caused by ship rolling and pitching.
3、Supports multi-channel signal output, compatible with shipborne navigation equipment such as radar, ECDIS and VDR.
4、Modular design with separated units, protection grade suitable for cabin and underwater installation on vessels.
5、ISO9001 certified and approved by CCS Type Approval, supports customized solutions and comprehensive after-sales support.

DP-20 Doppler Log

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