The electronic Doppler Log Wärtsilä ELAC DL 3000 measures the individual speed of a surface ship or a submarine through water and over ground. Using ultrasound and applying the Doppler effect, highly accurate speed over ground measurements up to more than 400 metres water depth are possible.
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Wärtsilä is a global leader in advanced technologies and complete lifecycle solutions for the marine and energy markets. By emphasising sustainable innovation and total efficiency, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers.