Campbell OBS-3A Manuals

Campbell OBS-3A Manuals

Manuals and User Guides for Campbell OBS-3A. We have 1 Campbell OBS-3A manual available for free PDF download: Operator's Manual

Campbell OBS-3A Operator's Manual

Campbell OBS-3A Operator's Manual (72 pages)

Turbidity and Temperature Monitoring System

Brand: Campbell | Category: Measuring Instruments | Size: 4 MB

Table of Contents

Table of Contents
5
1 Introduction

9
2 Cautionary Statements

9
3 Initial Inspection

9
- Ships with
  10
4 Overview

10
- OBS Sensor
  10
- Temperature and Optional Sensors
  11
- Optics and Turbidity Measurements
  11
- Anatomy of an OBS Sensor
  11
- Optical Particle Detectors
  11
5 Specifications

12
- Measurement Range
  13
- Accuracy
  13
- OBS Sensor
  13
- Other Data
  13
- Physcial
  14
6 Operations

14
- Instrument Setup
  14
  - Mounting Suggestions
    14
- Dimensions
  14
- Working and Maximum Depths
  15
  - Battery Installation
    16
  - Components
    16
  - Software Installation
    17
  - Battery Installation
    17
  - Running Hydrosci
    18
  - Connections and Wiring of Field Cable
    18
  - Testing Sensors
    20
  - Water-Density and Barometric Corrections
    21
  - Menus
    21
  - Connection
    22
  - OBS-3A Configuration
    22
    
    Information
    22
    
    Operations
    23
    
    Survey Configuration
    28
    
    Cyclic Configuration
    31
    
    Scheduled Configuration
    34
    
    Setpoint Configuration
    38
  - Monitor
    40
  - View Data
    43
    
    Data Retrieval
    43
    
    Graphing and Printing
    46
  - Show Terminal
    48
  - Shutdown
    49
  - Excel Spreadsheets
    49
  - Erasing Memory Data
    50
7 Calibration

51
- Turbidity
  51
  - Equipment and Materials
    51
  - Preparation
    52
  - Hydrosci Software Steps
    52
  - Making Turbidity Standards
    53
- Sediment
  54
- Mixing Volumes for Formazin Standards
  54
  - Equipment and Materials
    55
  - Sediment Preparation
    55
  - Effects of Disaggregation
    56
- Sample Durations for Sediment Calibrations
  56
  - Salinity, Pressure and Temperature Calibrations
    57
8 Troubleshooting

57
- Component Locations
  58
9 Maintenance

61
- OBS Sensor
  61
- Pressure Sensor
  61
- Conductivity Sensor
  61
- Batteries
  62
- Battery Life (Hours)
  62
  - Pressure Housing
    63
  - Antifoulant Coatings
    63
  - User-Serviceable Parts
    63
10 Factors Affecting OBS Response

63
- Particle Size
  64
- Response to Sand, Silt and Clay
  64
- Suspensions with Mud and Sand
  65
- Effects of Particle Size
  65
- High Sediment Concentrations
  66
- Response at High Sediment Concentrations
  66
- Sediment Color
  67
- Water Color
  67
- IR Reflectance of Minerals
  67
- Bubbles
  68
- Scattering Intensity Vs. Angle
  68
- Biological and Chemical Fouling
  69
11 References

69

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