SVB recommends the following for this item
The classic electronic Sumlog provides an analogue speed display up to 50 knots and a clearly readable digital display with various functions: for example trip, distance, water temperature.
The accuracy of the display is +/- 2.5%. Operating voltage: 8-32 volts. Current consumption: less than 150 mA, with integrated warning light.
In addition there is a warning light for an individually set speed limit. The device has a reverse polarity, a paddle-wheel and an NMEA input for active NMEA 0183. Diameter: 85 mm. Give the instrument a stylish look with an additional chrome ring (sold separately).
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