Navigational Echo Sounder Supplier Bangladesh

Echo sounder is an instrumentation system for indirectly determining ocean floor depth. Echo sounding is based on the principle that water is an excellent medium for the transmission of sound waves and that a sound pulse will bounce off a reflecting layer, returning to its source as an echo. For any query regarding the product drop us an email at sales@banglamark.com.bd or call us at (+88) 01977646434 Navigational Echo Sounder Supplier BD