Section 2: Description of MicroTSG
SBE 45
9
Specifications
Temperature
(°C)
1
Conductivity
(S/m)
Salinity
(PSU),
typical
Measurement
Range
-5 to +35
0 to 7
(0 to 70 mS/cm)
-
Initial Accuracy
0.002
0.0003
(0.003 mS/cm)
0.005
Typical Stability
(per month)
0.0002
0.0003
(0.003 mS/cm)
0.003
Resolution
2
0.0001
0.00001
(0.0001 mS/cm)
0.0002
Sensor
Calibration
Range
+1 to +32
0 to 6; physical
calibration over the
range 2.6 to 6 S/m,
plus zero
conductivity (air)
-
Counter
Time-Base
Quartz TCXO, ±2 ppm per year aging;
±5 ppm vs. temperature (-5 to +30 °C)
Input Power
8 - 30 VDC
Quiescent (sleep) Current: 10 microamps
Operating Current: 34 milliamps at 8 VDC
30 milliamps at 12-30 VDC
Materials
PVC housing
Recommended
Flow Rate
10 to 30 milliliters/second
(0.16 to 0.48 gallons/minute)
Maximum Safe
Operating
Pressure
34.5 decibars (50 psi)
Weight
4.6 kg (10.2 lbs)
Notes:
1
Temperature specifications above are for MicroTSG’s temperature sensor.
For optional remote temperature sensor (SBE 38), which can be integrated
with optional 90402 Interface Box -
Measurement range: -5 to +35 °C
Initial accuracy: 0.001 °C
Resolution: 0.0003 °C
Calibration: -1 to +32 °C
Typical stability: 0.001 °C in 6 months, certified
2
Resolution
Typical RMS noise with fixed resistors on temperature and conductivity inputs:
NCycles *
Temperature
(°C)
Conductivity
(S/m)
Salinity
(psu)
Sound
Velocity
(m/sec)
1 0.000190
0.000014
0.00027
0.00066
2 0.000170
0.000010
0.00016
0.00057
4 0.000150
0.000005
0.00015
0.00055
8 0.000087
0.000005
0.00009
0.00033
16 0.000078
0.000004
0.00007
0.00025
*
NCycles
= number of measurements to average per sample.
14
Содержание SBE 45 MicroTSG
Страница 2: ...This page intentionally left blank ...
Страница 4: ...Manual Generation Date 13 February 2012 1 ...
Страница 6: ...This page intentionally left blank 3 ...
Страница 7: ...4 ...
Страница 98: ...CALIBRATION SHEETS SBE 45 Temperature Calibration S N 0402 1 SBE 45 Conductivity Calibration S N 0402 2 95 ...
Страница 112: ...109 ...
Страница 118: ...6 Appendix I Example Conductivity Calibration Sheet 115 ...
Страница 119: ...7 Appendix II Example Temperature Calibration Sheet 116 ...
Страница 129: ...126 ...
Страница 130: ...127 ...
Страница 131: ...128 ...
Страница 132: ...129 ...
Страница 133: ...130 ...
Страница 134: ...131 ...
Страница 135: ...132 ...
Страница 136: ...133 ...
Страница 137: ...134 ...
Страница 138: ...135 ...