Campbell OBS-3A Spécifications télécharger pdf (Page 6)

OBS-3A Table of Contents

6.1.3

OBS-3A Utility Software Steps................................................ 6-2

6.1.4 Making Turbidity Standards..................................................... 6-3

6.2 Sediment............................................................................................. 6-4

6.2.1 Equipment and Materials.......................................................... 6-4

6.2.2 Sediment Preparation................................................................ 6-5

6.3 Salinity, Pressure and Temperature Calibrations................................ 6-7

7. Optics and Turbidity Measurements...................... 7-1

8. Factors Affecting OBS Response .......................... 8-1

8.1 Particle Size........................................................................................ 8-1

8.2 Suspensions with Mud and Sand........................................................ 8-2

8.3 High Sediment Concentrations........................................................... 8-2

8.4 Sediment Color................................................................................... 8-3

8.5 Water Color........................................................................................ 8-4

8.6 Bubbles............................................................................................... 8-4

8.7 Biological and Chemical Fouling....................................................... 8-5

9. References................................................................ 9-1

10. Specifications....................................................... 10-1

Figures

1-1. Dimensions .......................................................................................... 1-1

1-2. Components ......................................................................................... 1-1

1.1-1. Anatomy of an OBS Sensor.............................................................. 1-2

2.2-1. Battery Installation............................................................................ 2-2

3.2-1. New Data Log Prompt ...................................................................... 3-1

3.2-2. Designating Your Own File Name and Destination ......................... 3-1

3.2-3. Data Window (above) and OBS-3A Utility’s Toolbar...................... 3-2

3.2-4. Connections and Wiring of Field Cable............................................ 3-2

3.3-1. OBS-3A Utility Pull-Down Menus................................................... 3-3

3.4-1. Dialog Box for Changing Baud Rate ................................................ 3-4

3.5-1. Test Data Sample.............................................................................. 3-5

3.5-2. Window for Viewing Instrument Information .................................. 3-5

3.18-1. Component locations ...................................................................... 4-1

6.2-1. Effects of Disaggregation ................................................................. 6-5

6.3-1. Optical Particle Detectors ................................................................. 7-1

8.1-1. Response to Sand, Silt and Clay ....................................................... 8-1

8.2-1. Effects of Particle Size...................................................................... 8-2

8.3-1. Response at High Sediment Concentrations ..................................... 8-3

8.4-1. IR Reflectance of Minerals ............................................................... 8-4

8.6-1. Scattering Intensity vs. Angle........................................................... 8-5

Tables

2.1-1. Working and Maximum Depths........................................................ 2-1

3.9-1. Sampling Schedules.......................................................................... 3-8

5.4-1. Battery Life (Hours).......................................................................... 5-2

6.1-1. Mixing Volumes for Formazin Standards......................................... 6-4

6.2-1. Sample Durations for Sediment Calibrations.................................... 6-6

1 2 3 4 5 6 7 8 9 10 11 ... 57 58

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