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Product Survey artikel
Product Survey > Acoustic Doppler Current Profilers (ADCP), January/February 2010 > Nortek AS

Nortek AS

  24/05/2012
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Brand Nortek AS
Name of Product: Continental
Year of initial development: 2002
L/W/H (cm) H = 218/248mm Diameter = 322/400mm
Operating power voltage (V) 10-18VDC
Max operating depth (m) 500m
Max battery lifetime (days) with: 10 minute profile interval, 1 cm/sec standard deviation, default cell size 45 - 120 days, depending on model
True Bottom Tracking Capability (Speed of boat and Range to bottom) N
Center working frequency (kHz) 190 or 470kHz
Typical Profiling range (m) 200 or 120m
Number of beams 3
Nadir angle (deg) 25
Maximum Number of cells per beam 128
Minimum blanking distance, lLost data at far boundary (m) 1m
Ping rate Depending on range, user adjustable
Minimum vertical resolution (m) 1m (470kHz) or 2m (190kHz)
Minimum/Maximum cell size (m) 1m (470kHz) or 2m (190kHz)
Cell overlap (%) 0.25
Velocity range (cm/sec) 0 - 1000 cm/sec
Horizontal, vertical velocity accuracy (cm/sec) 1% of measured value +/- 0.5cm/sec
Surface reference capability? (yes/no) Y, through post processing SW
Surface current measurement? (yes/no) Not possible
Measurement and compensation for speed-of-sound? (yes/no) Y
Single ping rejection of outliers N
Single ping horizontal, vertical velocity precision for default cell size (cm/sec) 1-500mm/sec, depending on model
Temperature yes/no Y
Temp range, accuracy (?C) -4 to +40
Tilt sensor yes/no Y
Tilt range, accuracy (deg) 0.2
Compass type Magnetometer + pitch/roll
Moving vessel; Bottom mount; Inline string mooring; Data Buoy; Marine structures Bottom mount; Inline mooring; Data Buoy; Marine structures
Temperature; Pressure; Conductivity; Oxygen; Turbidity; Tide measurement; Wave measurement All
Pressure sensor? (yes/no) Y, standard
Other sensors Wave directional measurements included
Real-time interfacing (eg RS232, RS422, RS485) Y, all
External power range (V) 8-15VDC, 48VDC for online operation
Max cable length and baud rate >4km, 1Mbit/sec
External battery container for extended deployment period Y
Name of data acquisition software; precessing software Continental, Surge
Typical applications (max. 5) Mooring lines, harbours, tidal energy generators, coastal current monitoring
Units sold >100



     


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