Campbell Scientific OBS500 Smart Turbidity Meter with ClearSensor Technology User Manual

Operator’s manual

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OPERATOR’S

MANUAL

OBS500 Smart Turbidity Meter

with ClearSensor™ Technology

Revision: 5/14

C a m p b e l l S c i e n t i f i c , I n c .

Table of contents

Document Outline

Revision and Copyright Information
Limited Warranty
Assistance
Precautions
Table of Contents
1. Introduction
2. Cautionary Statements
3. Initial Inspection
- 3.1 Ships With
4. Quickstart
- 4.1 Mounting Suggestions
- 4.2 Datalogger Programming and Wiring
5. Overview
- 5.1 Applications
- 5.2 Turbidity Units
- 5.3 Measurement Details
- 5.4 Vertical-Cavity Surface-Emitting Laser Diode
6. Specifications
7. Installation
- 7.1 Default Settings
- 7.2 Device Configuration Utility
- 7.3 Datalogger/RTU Connection
- 7.4 Communication Modes
  - 7.4.1 SDI-12
    - 7.4.1.1 SDI-12 Addresses
    - 7.4.1.2 SDI-12 Transparent Mode
  - 7.4.2 RS-232
- 7.5 Calibration
  - 7.5.1 Turbidity
  - 7.5.2 Sediment
- 7.6 Programming
- 7.7 Operation in High Sediment Loads and Sandy Sediments
  - 7.7.1 Wiper Removal Procedure
8. Factors that Affect Turbidity and Suspended-Sediment Measurements
- 8.1 Particle Size
- 8.2 Suspensions with Mud and Sand
- 8.3 Particle-Shape Effects
- 8.4 High Sediment Concentrations
- 8.5 IR Reflectivity—Sediment Color
- 8.6 Water Color
- 8.7 Bubbles and Plankton
9. Maintenance
10. Troubleshooting
11. References
Appendix A. Importing Short Cut Code
- A.1 Importing Short Cut Code into a Program Editor
  - A.1.1 CRBasic Datalogger
  - A.1.2 Edlog
Appendix B. Example Programs
- B.1 CR1000 SDI-12 Program
- B.2 CR1000 RS-232 Program
- B.3 CR1000 Analog Program
- B.4 Examples for High Sediment Loads
  - B.4.1 Normally Open CR1000 Example
  - B.4.2 Cycle Shutter/Wiper for Each Measurement CR1000 Program
Appendix C. OBS500 Copper Sleeve Kit Installation
Campbell Scientific Companies