User Manual for
AML Oceanographic’s
Plus
X
30
Electrical
•
Mother Board
o
Flash, non-volatile data memory (Minimum 1 GB)
o
2 dedicated slots
▪
Primary Xchange
™
sensor slot
▪
Secondary Xchange
™
sensor slot
o
5 expansion slots
•
Sensor Boards
o
Sound Velocity, CT or Conductivity Xchange
™
sensor board
o
Pressure and Temperature Xchange
™
sensor board
•
Auto detect RS232 or RS485 (½ duplex ASCII)
•
Autobaud to 38,400
Power
•
External Power Supply: 8 to 26 VDC
•
Internal Power Supply
o
Standard: 9 D-cell Alkaline batteries
▪
Capacity: 14.4 Ahrs
▪
Voltage: 1.5 Volts/cell
o
Optional: 9 D-cell Ni-Cad batteries
▪
Capacity: 4.4 Ahrs
▪
Voltage: 1.2 Volts/cell
•
Current Draw
o
250 mA when sampling
o
50 mA in standby mode
o
60 µA when in low power mode
•
Battery Voltage Limits
o
14 volts: Full charge with alkaline batteries
o
11.3 volts: Full charge with optional Ni-Cad batteries
o
9.9 volts: Low battery warning
2
Chen and Millero, “Speed of sound in seawater at high pressures,” 1129
-1135.
Calculated Parameters
Type
Required Sensors
Equation
Accuracy
Range
Salinity
C•X, T•X, P•X
TEOS10
±0.010 psu
0 to 42 psu
Salinity (from SV)
SV•X, T•X, P•X
AML ‘07
±0.035 ppt
0 to 42 ppt
Density
C•X, T•X, P•X
TEOS10
±0.027 kg/m
3
990 to 1230 kg/m
3
Density (from SV)
SV•X, T•X, P•X
TEOS10
±0.051 kg/m
3
990 to 1230 kg/m
3
SV (from CTD)
C•X, T•X, P•X
Chen & Millero ‘77
2
0.5 m/s
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