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CSAT3 Three Dimensional Sonic Anemometer

TABLE 10-7. Wiring for Program Example 1

Description Color CR3000

SDM Data Green SDM-C1

SDM Clock White SDM-C2

SDM Enable Brown SDM-C3

Digital Ground Black G

SDM Signal Shield Clear G

Power Red +12 Vdc

Power Refernece Black G

Power Shield Clear G

EXAMPLE 1. Measuring the CSAT3 Using the SDM Output and a

CR3000 Datalogger

'CR3000 Series Datalogger

'28 December 2006

'The following sensors are measured:

'CSAT3 three dimensional sonic anemometer

'The site attendant must load in several constants and calibration values. Search

'for the text string "unique" to find the locations where unique constants and

'calibration values are entered.

PipeLineMode

'*** Constants ***

'Measurement Rate '10 Hz

Const SCAN_INTERVAL = 100 '100 mSec

'Output period

Const OUTPUT_INTERVAL = 30 'Online stats data output interval in minutes.

Const CSAT3_AZIMUTH = 0 'Unique value.

'Compass azimuth of the -x axis. For the figure below, CSAT3_AZIMUTH = 90.

'() -> Compass coordinate system

'{} -> Right handed coordinate system

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Campbell FW05 Handbuch Seite 32