Campbell Scientific CSAT3 3-D Sonic Anemometer - Manual (Page 7)

Table of Contents
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1. General ........................................................................ 1
2. Specifications ............................................................. 1
2.1 Measurements ...................................................................................... 1
2.2 Output Signals ...................................................................................... 2
2.3 Physical Description ............................................................................ 3
2.4 Power Requirements ............................................................................ 4
3. Initial Setup ................................................................. 4
3.1 Factory Settings ................................................................................... 4
3.2 SDM Address ....................................................................................... 5
4. Installation ................................................................... 5
4.1 Orientation ........................................................................................... 5
4.2 Mounting .............................................................................................. 6
4.3 Leveling ............................................................................................... 8
4.4 Fine Wire Thermocouple ..................................................................... 8
5. Wiring ........................................................................... 8
6. CSAT3 Outputs ......................................................... 11
6.1 SDM Output ....................................................................................... 11
6.1.1 CRBasic Dataloggers .................................................................. 12
6.1.2 EDLOG Dataloggers ................................................................... 12
6.1.3 CR9000 ....................................................................................... 12
6.2 RS-232 Output ................................................................................... 13
6.3 Analog Output .................................................................................... 13
7. Operational Principles .............................................. 13
7.1 Embedded Code Version 4 ................................................................ 13
7.2 Embedded Code Version 3 ................................................................ 14
7.3 Effects of Crosswind on the Speed of Sound ..................................... 15
8. CSAT3 Trigger ........................................................... 16
8.1 Sampling Modes ................................................................................ 17
8.1.1 Single-Measurement Mode ......................................................... 18
8.1.2 Oversample Mode ....................................................................... 18
9. Data Pipeline Delay ................................................... 18
10. Datalogger Programming using SDM ..................... 19
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