| Customization: | Available |
|---|---|
| After-sales Service: | Yes |
| Warranty: | Yes |
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Portable Sonar Depth Finder 50m 100m 200mWater Depth Meter Handheld Ultrasonic Depth Meter adopt ultrasonic theory that wave come across barrier then reflect to transducer, according to the time and speed, distance from barrier and transducer can be got. It can detect distance correctly and rapidly when vessel is voyaging. It is usually used in lane survey, under water,