The JMC F-1000 Echo Sounder is a compact digital navigation echo sounder designed for small to medium vessels, offering reliable under-keel depth measurement for safe navigation.
It is a simple, cost-effective IMO-type echo sounder, widely used on coastal ships, fishing vessels, and workboats.
The F-1000 operates by:
- Transmitting ultrasonic pulses from a transducer
- Receiving echoes reflected from the seabed
- Calculating depth using time-of-flight of sound waves
- Displaying:
- Digital depth value
- Basic echogram (bottom profile)





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