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WorkHorse Sentinel User's Guide
3
System Overview
The Sentinel ADCP system consists of an ADCP, cables, battery pack, flash
memory card, and software. Both battery capacity and memory can be in-
creased with upgrades for longer deployments. The Sentinel can also be
used for direct-reading current profile operation. They only require the ad-
dition of a Windows® compatible computer to configure the ADCP and re-
play collected data.
3.1
Sentinel ADCP Overview
The transducer assembly contains the transducer ceramics and electronics.
Standard acoustic frequencies are 300, 600, and 1200kHz. See the outline
drawings in the
I/O Cable Connector
ADCP to the computer.
Beam-3 Mark
Urethane Face
set the transducer on a hard surface. The urethane face may be damaged.
– The standard WorkHorse housing allows deployment depths to
Housing
200 meters.
Thermistor
Pressure Sensor
(depth).
Transducer Head
mounted to the transducer head. The numbers embossed on the edge of the
transducer indicates the beam number. When assembling the unit, match
the transducer beam number with the Beam 3 mark on the end-cap.
– The end-cap holds the I/O cable connector. When assembling
End-Cap
the unit, match the Beam 3 mark on the end-cap with beam 3 number on the
transducer.
Internal Battery Pack
of usable energy at 0 C. When fresh, the voltage is +42 VDC. When de-
pleted, the voltage drops to 30 VDC or less.
Flash Memory Card
and 220-MB cards. The standard configuration is one 16MB card.
page 4
WorkHorse Installation Guide
– Input/Output (I/O) cable connects the WorkHorse
– The Beam-3 mark shows the location of Beam-3 (Forward).
– The urethane face covers the transducer ceramics. Never
– The Thermistor measures the water temperature.
– The Optional pressure sensor measures water pressure
– The WorkHorse electronics and transducer ceramics are
– The internal battery pack has 400 watt-hours (Wh)
– Flash memory cards are available in 16, 20, 40, 85
for dimensions and weights.
RD Instruments
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