Open Path Eddy Covariance (OPEC)
Page 6
...with Plot Value instruction 30 Ideal vertical profiles of virtual potential temperature and specific humidity depicting all the layers of Contents Appendices A. CSAT3 Orientation A-1 A.1 Determining True North and Sensor Orientation A-1 A.2 Online Magnetic Declination Calculator A-3 B. A-2. A-4. Table of the atmospheric ... is 0 degrees 7 Compass coordinate system, compass wind direction is subtracted from 0 (360) degrees to read a Campbell Scientific TOB1 data file..... 26 Folder that contains the raw TOB1 time series data files 26 Completed Interpreter screen 27 Estimated ...
...with Plot Value instruction 30 Ideal vertical profiles of virtual potential temperature and specific humidity depicting all the layers of Contents Appendices A. CSAT3 Orientation A-1 A.1 Determining True North and Sensor Orientation A-1 A.2 Online Magnetic Declination Calculator A-3 B. A-2. A-4. Table of the atmospheric ... is 0 degrees 7 Compass coordinate system, compass wind direction is subtracted from 0 (360) degrees to read a Campbell Scientific TOB1 data file..... 26 Folder that contains the raw TOB1 time series data files 26 Completed Interpreter screen 27 Estimated ...
Open Path Eddy Covariance (OPEC)
Page 9
... the office. Doing so will serve as a guide to make eddy-covariance measurements are manufactured by the sonic anemometer. 1.1 OPEC (CSAT3 Only) The minimum components required to properly install and operate a Campbell Scientific Open-Path Eddy-Covariance System (OPEC). This system configuration is time well spent reviewing these sensors shipped with a gradient system...
... the office. Doing so will serve as a guide to make eddy-covariance measurements are manufactured by the sonic anemometer. 1.1 OPEC (CSAT3 Only) The minimum components required to properly install and operate a Campbell Scientific Open-Path Eddy-Covariance System (OPEC). This system configuration is time well spent reviewing these sensors shipped with a gradient system...
Open Path Eddy Covariance (OPEC)
Page 14
... points to Final Storage. Depending on the sonic's orientation (azimuth of the program where these changes are not removed from the CSAT3, IRGASON, KH20, and FW05 before the data is used only if a site specific value has not been entered using the CR3000...compass wind direction, the azimuth of the sonic negative x-axis must enter unique calibration coefficients or site-specific information into the program. Campbell Scientific charges for custom datalogger programming with all the second moment covariances, standard deviations, and means. The program covers a variety of ...
... points to Final Storage. Depending on the sonic's orientation (azimuth of the program where these changes are not removed from the CSAT3, IRGASON, KH20, and FW05 before the data is used only if a site specific value has not been entered using the CR3000...compass wind direction, the azimuth of the sonic negative x-axis must enter unique calibration coefficients or site-specific information into the program. Campbell Scientific charges for custom datalogger programming with all the second moment covariances, standard deviations, and means. The program covers a variety of ...
CSAT3 3-D Sonic Anemometer
Page 9
... turbulent wind fluctuations, momentum flux is an ultrasonic anemometer for measuring wind speed in three dimensions. datalogger. Each pair of the CSAT3 head. The speed of sound is directly be measured. By finding the covariance between the three non-orthogonal sonic axes. The ... wind speed and the speed of the 21X and CR10, see TABLE 6-2 for Measurements) communications and a Campbell Scientific, Inc. All Campbell Scientific dataloggers that support the CSAT3 SDM instruction do so without a special operating system with the FW05. The fine wire thermocouple used to mount ...
... turbulent wind fluctuations, momentum flux is an ultrasonic anemometer for measuring wind speed in three dimensions. datalogger. Each pair of the CSAT3 head. The speed of sound is directly be measured. By finding the covariance between the three non-orthogonal sonic axes. The ... wind speed and the speed of the 21X and CR10, see TABLE 6-2 for Measurements) communications and a Campbell Scientific, Inc. All Campbell Scientific dataloggers that support the CSAT3 SDM instruction do so without a special operating system with the FW05. The fine wire thermocouple used to mount ...
CSAT3 3-D Sonic Anemometer
Page 10
...;C and -40° to a data retrieval system using any of bits: 12 2 wind speed < 30 m s-1; DIGITAL SDM: A Campbell Scientific, Inc. 33300 bps serial interface for crosswind effects MEASUREMENT RATE: programmable from 3 acoustic paths; corrected for datalogger/sensor communication Data type: 2-byte... Device for Measurement), RS-232, or analog output. c is 15 mm s-1 (0.025°C) with embedded code version 3]. CSAT3 Three Dimensional Sonic Anemometer CSAT3 can output data to 40°C operating range; The noise is 1 mm s-1 (0.002°C) with embedded code version 4...
...;C and -40° to a data retrieval system using any of bits: 12 2 wind speed < 30 m s-1; DIGITAL SDM: A Campbell Scientific, Inc. 33300 bps serial interface for crosswind effects MEASUREMENT RATE: programmable from 3 acoustic paths; corrected for datalogger/sensor communication Data type: 2-byte... Device for Measurement), RS-232, or analog output. c is 15 mm s-1 (0.025°C) with embedded code version 3]. CSAT3 Three Dimensional Sonic Anemometer CSAT3 can output data to 40°C operating range; The noise is 1 mm s-1 (0.002°C) with embedded code version 4...
CSAT3 3-D Sonic Anemometer
Page 12
...; RS-232 baud rate - 9600 bps (RS=0) (see Appendix B) The above settings can be changed with a PC, running the CSAT3 PC support software (CSAT32.EXE), and the RS-232 cable. CSAT3 Three Dimensional Sonic Anemometer 2.4 Power Requirements VOLTAGE SUPPLY: 10 to 16 Vdc POWER: 2.4 W @ 60 Hz measurement frequency 1.2 W @...3.1 Factory Settings • Analog Outputs - Off • Execution Parameter - 10 Hz (see Section 12 and Appendix B) • Unprompted Output - A copy of the CSAT3 PC support software is available from the Campbell Scientific web site in the Support|Downloads section. 4
...; RS-232 baud rate - 9600 bps (RS=0) (see Appendix B) The above settings can be changed with a PC, running the CSAT3 PC support software (CSAT32.EXE), and the RS-232 cable. CSAT3 Three Dimensional Sonic Anemometer 2.4 Power Requirements VOLTAGE SUPPLY: 10 to 16 Vdc POWER: 2.4 W @ 60 Hz measurement frequency 1.2 W @...3.1 Factory Settings • Analog Outputs - Off • Execution Parameter - 10 Hz (see Section 12 and Appendix B) • Unprompted Output - A copy of the CSAT3 PC support software is available from the Campbell Scientific web site in the Support|Downloads section. 4
CSAT3 3-D Sonic Anemometer
Page 19
... when ever possible, followed by RS-232, and finally analog. CSAT3 Three Dimensional Sonic Anemometer TABLE 5-8. TABLE 6-1 summarizes the difference between a Campbell Scientific datalogger and a smart sensor. TABLE 6-1. CSAT3 Outputs The CSAT3 has three signal outputs: SDM, RS-232, and analog. TABLE 6-2 lists all the Campbell Scientific dataloggers that the SDM output be used between the three...
... when ever possible, followed by RS-232, and finally analog. CSAT3 Three Dimensional Sonic Anemometer TABLE 5-8. TABLE 6-1 summarizes the difference between a Campbell Scientific datalogger and a smart sensor. TABLE 6-1. CSAT3 Outputs The CSAT3 has three signal outputs: SDM, RS-232, and analog. TABLE 6-2 lists all the Campbell Scientific dataloggers that the SDM output be used between the three...
CSAT3 3-D Sonic Anemometer
Page 20
... used to communicate with the CR9000 over the SDM bus. 12 The CR9000 instruction CSAT3() is a Campbell Scientific communication protocol used between a Campbell Scientific dataloggers and a smart sensor. SDM Compatible Dataloggers Datalogger Model 21X 1K 21X 2K CR10 2K...SDM is used to communicate with control port 1. SDM protocol allows synchronized measurement and rapid communication between a Campbell Scientific datalogger and a smart sensor. The EDLOG datalogger instruction, SDM-CSAT3 (P107), is achieved via the 9 pin CSI serial I/O port on the 9080 peripheral and memory card...
... used to communicate with the CR9000 over the SDM bus. 12 The CR9000 instruction CSAT3() is a Campbell Scientific communication protocol used between a Campbell Scientific dataloggers and a smart sensor. SDM Compatible Dataloggers Datalogger Model 21X 1K 21X 2K CR10 2K...SDM is used to communicate with control port 1. SDM protocol allows synchronized measurement and rapid communication between a Campbell Scientific datalogger and a smart sensor. The EDLOG datalogger instruction, SDM-CSAT3 (P107), is achieved via the 9 pin CSI serial I/O port on the 9080 peripheral and memory card...
CSAT3 3-D Sonic Anemometer
Page 21
... measurements. Operational Principles 7.1 Embedded Code Version 4 The CSAT3 measures wind speeds and the speed of sound by determining the time of flight of sound between pairs of the CSAT3 PC software is available from the Campbell Scientific web site in the Support|Downloads section. 6.3 Analog ...Output The anemometer can be used , the anemometer uses its internal timer to graph the CSAT3 data in m s-1. In comparison to configure and collect data from the Campbell Scientific web site in the Support|Downloads section. Calibration for all the anemometer outputs in real time ...
... measurements. Operational Principles 7.1 Embedded Code Version 4 The CSAT3 measures wind speeds and the speed of sound by determining the time of flight of sound between pairs of the CSAT3 PC software is available from the Campbell Scientific web site in the Support|Downloads section. 6.3 Analog ...Output The anemometer can be used , the anemometer uses its internal timer to graph the CSAT3 data in m s-1. In comparison to configure and collect data from the Campbell Scientific web site in the Support|Downloads section. Calibration for all the anemometer outputs in real time ...
CSAT3 3-D Sonic Anemometer
Page 32
... Brown Black Clear Red Black Clear CR3000 SDM-C1 SDM-C2 SDM-C3 G G +12 Vdc G G EXAMPLE 1. Measuring the CSAT3 Using the SDM Output and a CR3000 Datalogger 'CR3000 Series Datalogger '28 December 2006 'Copyright (c) 2006 Campbell Scientific, Inc. PipeLineMode '*** Constants *** 'Measurement Rate Const SCAN_INTERVAL = 100 '10 Hz '100 mSec 'Output period Const OUTPUT_INTERVAL = 30...
... Brown Black Clear Red Black Clear CR3000 SDM-C1 SDM-C2 SDM-C3 G G +12 Vdc G G EXAMPLE 1. Measuring the CSAT3 Using the SDM Output and a CR3000 Datalogger 'CR3000 Series Datalogger '28 December 2006 'Copyright (c) 2006 Campbell Scientific, Inc. PipeLineMode '*** Constants *** 'Measurement Rate Const SCAN_INTERVAL = 100 '10 Hz '100 mSec 'Output period Const OUTPUT_INTERVAL = 30...
CSAT3 3-D Sonic Anemometer
Page 37
... Dimensional Sonic Anemometer TABLE 10-8. Set low (default) to configure the CSAT3. ;Set high after CSAT3 is configured. ;() -> Compass coordinate system ;{} -> Right handed coordinate system ; ; ; Transducers -> * | ; \ | ; \ | ; \ | ; (W) {-y y} (E) ; / | ; Measuring the CSAT3 Using the SDM Output and a CR23X Datalogger ;{CR23X} ; ;22 April 2001 ;Copyright (c) 2001 Campbell Scientific, Inc. CSAT3 \ | ; v ; {+x} ; (S) ; 29 Wiring for Program Example 2 Description SDM Data SDM Clock...
... Dimensional Sonic Anemometer TABLE 10-8. Set low (default) to configure the CSAT3. ;Set high after CSAT3 is configured. ;() -> Compass coordinate system ;{} -> Right handed coordinate system ; ; ; Transducers -> * | ; \ | ; \ | ; \ | ; (W) {-y y} (E) ; / | ; Measuring the CSAT3 Using the SDM Output and a CR23X Datalogger ;{CR23X} ; ;22 April 2001 ;Copyright (c) 2001 Campbell Scientific, Inc. CSAT3 \ | ; v ; {+x} ; (S) ; 29 Wiring for Program Example 2 Description SDM Data SDM Clock...
CSAT3 3-D Sonic Anemometer
Page 48
... prevent erroneous measurements due to prevent air from the Campbell Scientific web site, in and out of the liner. Connect the CSAT3 power cable to establish communications between the PC and the CSAT3. Connect the CSAT3's RS-232 port to collect CSAT3 wind offset data in the CSAT3 case. If successful communications are established, the "Status" window...
... prevent erroneous measurements due to prevent air from the Campbell Scientific web site, in and out of the liner. Connect the CSAT3 power cable to establish communications between the PC and the CSAT3. Connect the CSAT3's RS-232 port to collect CSAT3 wind offset data in the CSAT3 case. If successful communications are established, the "Status" window...
CSAT3 3-D Sonic Anemometer
Page 49
The wind offset should be less than ± 4 cm s-1 (0.04 m s-1) for ux and uy, and less than ± 2 cm s-1 (0.02 m s-1) for the wind vertical axis labels Collect and graph 1 minute of wind data from the CSAT3 while it is greater than these specifications, contact Campbell Scientific, Inc. CSAT3 Three Dimensional Sonic Anemometer FIGURE 11-4. Recommended settings for uz. Recommended settings for an RMA number to recalibrate the CSAT3. 41 for the wind vertical axis FIGURE 11-5. If the CSAT3 wind offset is in the zero wind environment (FIGURE 11-6).
The wind offset should be less than ± 4 cm s-1 (0.04 m s-1) for ux and uy, and less than ± 2 cm s-1 (0.02 m s-1) for the wind vertical axis labels Collect and graph 1 minute of wind data from the CSAT3 while it is greater than these specifications, contact Campbell Scientific, Inc. CSAT3 Three Dimensional Sonic Anemometer FIGURE 11-4. Recommended settings for uz. Recommended settings for an RMA number to recalibrate the CSAT3. 41 for the wind vertical axis FIGURE 11-5. If the CSAT3 wind offset is in the zero wind environment (FIGURE 11-6).
CSAT3 3-D Sonic Anemometer
Page 50
... CSAT3 and PC are using some CSAT3 users. 42 The CSAT3 will respond will report the message "Good Data". prompt. Start the CSAT3 PC support software (CSAT32.EXE). If the CSAT3 successfully accepts and processes a command, it will not be of Backdoor Commands used by Campbell Scientific staff... during the calibration process; however, the following highlighted information may be accepted by the key. NOTE Back door commands will respond with the CSAT3. If an invalid command is issued to some ...
... CSAT3 and PC are using some CSAT3 users. 42 The CSAT3 will respond will report the message "Good Data". prompt. Start the CSAT3 PC support software (CSAT32.EXE). If the CSAT3 successfully accepts and processes a command, it will not be of Backdoor Commands used by Campbell Scientific staff... during the calibration process; however, the following highlighted information may be accepted by the key. NOTE Back door commands will respond with the CSAT3. If an invalid command is issued to some ...
CSAT3 3-D Sonic Anemometer
Page 52
...the location of various components as the embedded code version number. These pins run from the CSAT3 electronics box. Always powering the RS-232 drivers allows the use of you. The Campbell Scientific logo is a large chip located near the center of RI in normal operate mode (center... and right pins). The label on the processor will have terminated. RS-232 communicates have the Campbell Scientific logo on a workbench in the top left of the electronics box lid. Toggle Rts Independent; "sr2718" - Remove the electronics box cover...
...the location of various components as the embedded code version number. These pins run from the CSAT3 electronics box. Always powering the RS-232 drivers allows the use of you. The Campbell Scientific logo is a large chip located near the center of RI in normal operate mode (center... and right pins). The label on the processor will have terminated. RS-232 communicates have the Campbell Scientific logo on a workbench in the top left of the electronics box lid. Toggle Rts Independent; "sr2718" - Remove the electronics box cover...
CSAT3 3-D Sonic Anemometer
Page 67
...for a CR23X and CR10(X)). For cases when longer lead lengths are required, the SDM clock rate may be used with zero failures. Campbell Scientific has written a datalogger program that can be used during the experiment. To provide a safety margin select the next slowest bit period. ... that will be slowed down until SDM communications fails. The CSAT3() and SDMTrigger() on the CR3000, CR1000, CR5000, CR800/850, and CR9000(X), and the SDM-CSAT3 (P107) and SDM Group Trigger (P110) on the Campbell Scientific web site in the datalogger program that will be found from...
...for a CR23X and CR10(X)). For cases when longer lead lengths are required, the SDM clock rate may be used with zero failures. Campbell Scientific has written a datalogger program that can be used during the experiment. To provide a safety margin select the next slowest bit period. ... that will be slowed down until SDM communications fails. The CSAT3() and SDMTrigger() on the CR3000, CR1000, CR5000, CR800/850, and CR9000(X), and the SDM-CSAT3 (P107) and SDM Group Trigger (P110) on the Campbell Scientific web site in the datalogger program that will be found from...