Campbell IRGASON Manuel

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer2/12Copyright © 2010-2012Campbell Scientific, Inc.

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer o The SDM, USB, and RS-485 output options include IRGASON diagnostic data.

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer • Standard outputs: o ux, uy, and uz orthogonal wind components o sonic t

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer Sonic accuracy5 Offset error ux, uy: < ±8 cm·s-1 uz: < 4 cm·s-1 Gai

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 5.2 Output Signals Features • EC100 electronics outputs data using: o CS

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer FIGURE 5-1(a). IRGASON dimensions, side view FIGURE 5-1(b). IRGASON dime

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 5.4 Power Requirements During Power-up and Operation Power requirement Sour

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer Handle the IRGASON carefully. The optical source may be damaged by rough h

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer IRGASON CM250 Leveling Mount (p/n 26559) IRGASONMounting Bracket(p/n 27496)

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer FIGURE 6-2. EC100-enclosure mounting bracket mounted on a vert

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 8. Mount the IRGASON temperature probe so that it measures temperature at t

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer tighten the thumbscrews (see Figure 6-5). The gas analyzer cable is approxi

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer FIGURE 6-6. Base of EC100 enclosure Unique calibration information is stor

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 3. Connect the IRGASON temperature probe. Unscrew the temperature connecto

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer o Analog output: use cable CABLE4CBL-L (p/n 21972) or CABLE2TP-L (p/n 26986

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 7.1 Factory Defaults Table 7-1 shows the default value for each setting des

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer any integer value between 0 and 14. The value 15 is reserved as an SDM-group

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer troubleshooting only. In normal operation, Temperature Sensor is set to Aut

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 7.14 ECMon Settings for the IRGASON are easily verified or changed using th

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer FIGURE 7-1. Main window of ECMon software 20

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer FIGURE 7-2. Setup window in ECMon 7.15 Device Configuration Utility DevCo

Warranty “PRODUCTS MANUFACTURED BY CAMPBELL SCIENTIFIC, INC. are warranted by Campbell Scientific, Inc. (“Campbell”) to be free from defects in materi

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 8. EC100 Outputs The EC100 is the IRGASON electronics module that measures

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer To use USB or RS-485 output, connect a USB or RS-485 cable from the EC100 to

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer The final data element in each row or output array is the signature. The si

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer TABLE 8-2. Multipliers and Offsets for Analog Outputs Density (mg m-3) Volt

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer Remove the wicks during the winter. The wicks will accumulate snow or freez

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer Wicks are available as listed in Table 9-1. TABLE 9-1. Rain Wick Replacement

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 9.3 Gas-Analyzer Window Cleaning The windows of the analyzer should be clea

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer rubber seals on the ends of the shroud are clean and in good condition. Pos

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 8. Connect a gas tank of known CO2 concentration to a pressure regulator, t

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 10. Remove the H2O span gas, and connect a zero air source (no CO2 or H2O)

Assistance Products may not be returned without prior authorization. The following contact information is for US and international customers residing

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 16. Enter the known dew point (in C°) in the box labeled Span Dew Point and

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer Scrubber bottle cover Scrubber bottle cover FIGURE 9-5. Replacing the desi

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 10. Datalogger Programming The datalogger is programmed in the CRBasic lang

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer TABLE 10-1. Output Modes for EC100 Instruction OutputMode Data Field Desc

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer TABLE 10-3. Bits in the Gas Diagnostic Flag bit hex value decimal Na

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 10.2 EC100Configure() Instruction EC100Configure() provides a third option,

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer TABLE 10-4. ConfigCmd Values for Setting and Retrieving Settings ConfigCmd

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 10.2.1 ConfigCmd 11 Zero-and-span Control To perform zeroing of CO2 and H2O

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer output indicates moisture is present, the datalogger can send the EC100Confi

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 11. Theory of Operation 11.1 IRGASON Sonic Anemometer The CSAT3 measures w

IRGASON Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 11.1.2 Temperature The sonically determined speed of sound can be found fro

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer The sonic virtual temperature, in degrees Celsius, is given by Eq. (9), wher

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 44 11.3 Theory References Kaimal, J. C. and Businger, J. A.: 1963, “A Cont

Appendix A. Filter Bandwidth and Time Delay The EC100 measures CO2, H2O, 3-D wind components, and sonic temperature from the IRGASON at 100 Hz and th

Appendix A. Filter Bandwidth and Time Delay The EC100 measures gas and wind data at 100 Hz, and 100 Hz data are down-sampled to the datalogger scan r

Appendix A. Filter Bandwidth and Time Delay 110Hertz700.00010.0010.010.1110No UnitsEC100 10-Hz Bandwidth Filter10-Hz Bandwidth from a 50-msec Moving

Appendix A. Filter Bandwidth and Time Delay A-4

Appendix B. Equations Table B-1 lists variables and constants used in the following equations. TABLE B-1. Table of Equation Variables and Constants

Appendix B. Equations ()⎟⎟⎠⎞⎜⎜⎝⎛+−⎟⎟⎠⎞⎜⎜⎝⎛+=vvddXXTRPM1000115.273ρ (B-5) Dew Point from Molar Mixing Ratio tmpdtmpddTTT__502.17 97.240−= (B-62) ()⎟⎟

Appendix C. Material Safety Data Sheets (MSDS) MSDS are available for chemicals used in IRGASON filters. The MSDS samples below are made available f

IRGASON Table of Contents 8. EC100 Outputs ...22 8.1 SDM Output...

IRGASON Table of Contents 6-4. Mounting the IRGASON Temperature Probe...11 6-5. EC100 electronics front panel wi

IRGASON Table of Contents iv

IRGASON Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 1. Introduction The IRGASON is an in-situ, open-path, mid-infrared absorpti