Campbell Scientific CSAT3 3-D Sonic Anemometer User Manual

Instruction manual, Csat3 three dimensional sonic anemometer

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INSTRUCTION

MANUAL

CSAT3 Three Dimensional

Sonic Anemometer

Revision: 9/14

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. General
2. Specifications
- 2.1 Measurements
- 2.2 Output Signals
- 2.3 Physical Description
- 2.4 Power Requirements
3. Initial Setup
- 3.1 Factory Settings
- 3.2 SDM Address
4. Installation
- 4.1 Orientation
- 4.2 Mounting
- 4.3 Leveling
- 4.4 Fine Wire Thermocouple
5. Wiring
6. CSAT3 Outputs
- 6.1 SDM Output
- 6.2 RS-232 Output
- 6.3 Analog Output
7. Operational Principles
- 7.1 Embedded Code Version 4
- 7.2 Embedded Code Version 3
- 7.3 Effects of Crosswind on the Speed of Sound
8. CSAT3 Trigger
- 8.1 Sampling Modes
  - 8.1.1 Single-Measurement Mode
  - 8.1.2 Oversample Mode
9. Data Pipeline Delay
10. Datalogger Programming using SDM
- 10.1 CRBasic CSAT3 () Instruction
- 10.2 EDLOG SDM-CSAT3 (P107) Instruction
- 10.3 Datalogger Instruction Parameters
- 10.4 Diagnostic Word
- 10.5 SDMTrigger ()/SDM-Group Trigger (P110)
- 10.6 Example CRBasic Datalogger Program
- 10.7 Example EDLOG Datalogger Program
11. Maintenance
- 11.1 Wicks
- 11.2 Calibration
  - 11.2.1 Cold Shifted Calibration
  - 11.2.2 Test for Wind Offset
12. Select Backdoor Commands
Appendix A. CSAT3 Orientation
- A.1 Determining True North and Sensor Orientation
- A.2 Online Magnetic Declination Calculator
Appendix B. Serial Communications with the CSAT3
- B.1 CSAT3 RS-232 Commands
- B.2 CSAT3 Binary Data Output Format
- B.3 Words 0 through 3
- B.4 Word 4
- B.5 CSAT3 RS-232 Status Format
Appendix C. CSAT3 Measurement Theory
- C.1 Theory of Operation
  - C.1.1 Wind Speed
  - C.1.2 Temperature
Appendix D. SDM Communications and Long Signal Cables
- D.1 Brief Description of SDM Clock Rates
- D.2 CR3000 Example
- D.3 CR23X Example
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