User`s manual

Manual revision 016 Section 2: Description of FastCAT SBE 49
11
Specifications
Temperature
(°C)
Conductivity
(S/m)
Strain-Gauge
Pressure
Measurement
Range
-5 to +35 0 to 9
0 to full
scale range:
20 / 100 / 350 /
600 / 1000/
2000 / 3500 /
7000 meters
(expressed in
meters of
deployment depth
capability)
Initial
Accuracy
± 0.002 ±0.0003
± 0.1% of
full scale range
Typical
Stability
0.0002
per month
0.0003 per month
0.05% of
full scale range
per year
Resolution
0.0001
0.00005
(oceanic waters;
resolves 0.4 ppm
in salinity)
0.00007
(high salinity waters;
resolves 0.4 ppm
in salinity)
0.00001
(fresh waters;
resolves 0.1 ppm
in salinity)
0.002% of
full scale range
Sensor
Calibration
(measurement
outside these
ranges may be at
slightly reduced
accuracy due to
extrapolation
errors)
+1 to +32
0 to 9; physical
calibration over
the range 2.6 to
6 S/m, plus zero
conductivity (air)
Ambient
pressure to full
scale range in
5 steps
Power
Requirements
0.75 Amps at 9-24 VDC
Turn-on transient: 750 mA
Sampling and transmitting data (includes pump):
390 mA at 9 V
285 mA at 12 V
180 mA at 19 V
Housing
Material &
Depth Rating
Titanium (3AL/2.5V) - 7000 m (22,900 ft)
Plastic - 350 m (1150 ft)
Weight
Titanium Housing -
In air: 2.7 kg (6 lbs) In water: 1.4 kg (3 lbs)
Plastic Housing -
In air: 1.8 kg (4 lbs) In water: 0.5 kg (1 lb)
CAUTION:
See Section 5: Routine
Maintenance and Calibration for
handling instructions for the
plastic housing.