DS-840 DISTANCE INDICATOR 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 | MEASURING SYSTEM | Paired-beam | | SPEED RANGE | Forward: 0 - 40 kn, 0.1 kn steps
Astern: 0 - 10 kn, 0.1 kn steps | | DEPTH | Deeper than 3 m | | ACCURACY | Speed through-the-water (STW): 1%, display resolution 0.1 kn
Distance run: 1%, in steps of 0.1 NM | | DISPLAY | 4.5" monochrome LCD | | POWER SUPPLY | 115/230 VAC | | 
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