Easy Tank Speed Log 2017-05-18 2 Consilium
STW Speed Log with Easy Installation • Based on proven Acoustic Correlation principle • Easy calibration • Well proven technology 2017-05-18 3 Consilium
High Performance Speed Log • Advantages with the Acoustic Correlation principle: - Not sensitive to temperature or salinity layers - Not affected by boundary layers 2017-05-18 4 Consilium
Influence of Currents for Speed Measurement v x Strong current Weak current v x Measured speed too far away from the vessel may not reflect the conditions at the vessel
Influence of the Boundary Layer Strong Calibration always needed
Summary of Sources of Potential Errors Acoustic logs EM logs Doppler Correlation (SAL) Temp layer Salinity layer Sub-currents Ship motion Air bubbles Boundary layer EMC Anti-Corrosion
Easy Tank - Easy to Install • Few mechanical parts • Transducer mounting from the inside of the hull • Light weight bottom parts 2017-05-18 8 Consilium
Safe Design • Pressure tested to 40 bar (400 m) • Rugged mechanical design • Water tight cable 2017-05-18 9 Consilium
Easy Tank vs closed Sea Valve Equally high or higher water integrity level 2017-05-18 10 Consilium
Space Savings • Small and compact bottom parts • Acoustic Correlation technology to the price of an EM log 2017-05-18 11 Consilium
The Easy Tank System 2017-05-18 12 Consilium
Easy Tank Data • Speed Through Water measurement, STW • Cable length: 10 m • Size of transducer: Ø: 168 mm Height: 84 mm • Weight of transducer incl. cable: 6 kg • Pressure tested to 40 bar (400 m) • Approved for both steel and aluminum hull • ABS type approved • Patent Pending 2017-05-18 13 Consilium
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