| Brand |
Teledyne RD Instruments |
| Name of Product: |
Ocean Observer 38kHz (OO38) |
| Year of initial development: |
1997 |
| L/W/H (cm) |
XDCR = 23cm(W) housing, 92cm(W) flange, 24.8cm(H) Chassis = 38cm(D), 48cm(W), 18cm(H) |
| Weight in air/water (kg) |
XDCR = 283/210kg, Chassis (in air) = 13.4kg |
| Operating power voltage (V) |
90 to 250VAC, 47 to 63Hz |
| Max operating depth (m) |
100m |
| Max battery lifetime (days) with: 10 minute profile interval, 1 cm/sec standard deviation, default cell size |
N/A, Real Time Operation Only |
| True Bottom Tracking Capability (Speed of boat and Range to bottom) |
Y |
| Center working frequency (kHz) |
38.4kHz |
| Typical Profiling range (m) |
800-1400m |
| Number of beams |
4 |
| Nadir angle (deg) |
30 |
| Maximum Number of cells per beam |
128 |
| Minimum blanking distance, lLost data at far boundary (m) |
16m / 15% of range to boundary |
| Ping rate |
0.3Hz |
| Minimum vertical resolution (m) |
8m |
| Minimum/Maximum cell size (m) |
8-32m |
| Cell overlap (%) |
<25% |
| Velocity range (cm/sec) |
+/-1000 |
| Horizontal, vertical velocity accuracy (cm/sec) |
+/-0.5cm/sec, +/-0.18cm/sec |
| Surface reference capability? (yes/no) |
N |
| Surface current measurement? (yes/no) |
N |
| Measurement and compensation for speed-of-sound? (yes/no) |
Not required; phased array technology |
| Single ping rejection of outliers |
Y (Error Vel, Fish Rejection, Correlation, Signal Level) |
| Temperature yes/no |
Y |
| Temp range, accuracy (?C) |
-5 to +45 |
| Tilt sensor yes/no |
Y |
| Tilt range, accuracy (deg) |
+/-20, +/-45 optional |
| Compass type |
Fluxgate |
| Moving vessel; Bottom mount; Inline string mooring; Data Buoy; Marine structures |
Moving vessel; Data Buoy; Marine structures |
| Temperature; Pressure; Conductivity; Oxygen; Turbidity; Tide measurement; Wave measurement |
Temperature |
| Pressure sensor? (yes/no) |
Y |
| Other sensors |
N |
| Real-time interfacing (eg RS232, RS422, RS485) |
RS232/RS422 |
| External power range (V) |
90 to 250VAC, 47 to 63Hz |
| Max cable length and baud rate |
300m, 115K baud |
| External battery container for extended deployment period |
N |
| Name of data acquisition software; precessing software |
VMDAS, WINADCP |
| Typical applications (max. 5) |
Physical & Biological Oceanography, Coastal Engineering, Hydrology, Fisheries, Pipe & Cable Laying, Offshore Oil, Marine Renewables, Observatories, Plume Tracking, Transport & Discharge, Model Calibration |
| Units sold |
>150 |
