DS80 Doppler Speed Log

• Speed and distance run indicated on a large illuminated LCD display
• Compact display unit and transducer
• High accuracy by utilizing the Doppler principle, paired beam eliminating effect of pitching, and velocity correction for change of water temperature
• Easy speed correction at mile post run
• Speed output to ARPA, radar, ECDIS, AIS, VDR, GMDSS equipment, etc.
• Complies with IMO standards MSC.96(76), A.824(19), A.694(17), IEC 61023 and other related standards
• Fully meets SOLAS carriage requirement for ships over 300GT
• Fits to the hull either directly or with a gate valve

The DS80 is an SDME (Speed and Distance Measuring Equipment) utilizing the Doppler Effect principle. It complies with the latest IMO, IEC and ISO standards as well as the rules of the classification societies.
Unlike an electromagnetic speed log or other type, this equipment does not require a sensor protruding through the ship hull; this greatly reduces the routine maintenance. Another special feature is the capability to measure own ship speeds at dead slow movement with high accuracy. The pair-beams at 1 MHz sonic frequency ensure accuracy in rough water.

The primary functions of the DS80 operate without any interaction. Simply keep the power switch on. The user-friendly menu ensures easy adjustment of all functions. Auxiliary functions such as resetting the Distance Run and speed offset are easy using the menu.

Optional analog and digital remote displays are available to enhance the convenience of navigation. A new transducer was designed with the same dimensions as the DS70 transducer. It may be fitted to the hull directly or with a gate valve.

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