Move The new ECHOTRAC E20 is the result of more than 40 years of experience in precise echosounding and market leading sonar technology. A portable, compact and robust echosounder designed for survey in all environments allowing you to maximize your utilization of the equipment and reducing your costs by having one unit for all applications. Easy to use and fast to mobilize, the E20 allows you to begin your survey rapidly, delivering accurate results first time, every time. The E20 saves time and enables you to get results faster. The ECHOTRAC E20 completes our portfolio of sonar solutions introducing yet another groundbreaking innovation into the day-to-day work life of our customers.