Campbell-scientific IRGASON Integrated CO2/H2O Open-Path Gas Analyzer Manual de usuario

INSTRUCTION MANUAL IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer Revision: 6/14 Copyright © 2

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IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 1. Introduction The IRGASON, U.S. Des. Patent No. D680455, is an in-situ,

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 These measurements are required to compute carbon dioxide and water vapor f

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 Ga

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. IRGASON dimensions, side view FIGURE 5-2. IRGASON dimension

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

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 FIGURE 6-1. Exploded view of mounting the IRGASON Over-tightening bolts w

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

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

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 2. Connect the IRGASON sonic cable. Similar to (a), begin by removing the

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

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

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

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-grou

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 7.11 Pressure Sensor This setting identifies which barometric pressure sen

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer The algorithm uses the internal heaters to maintain a temperature that is a

Limited Warranty “Products manufactured by CSI are warranted by CSI to be free from defects in materials and workmanship under normal use and service

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer Besides changing settings, ECMon is a useful tool for common tasks such as:

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

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 t

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 s

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) Vol

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer Wick Spares Kit (pn 28902) consists of three top wicks, three bottom wicks,

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 9.2.2 Gas Analyzer Wicks IRGASON gas analyzer windows are polished and sla

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer FIGURE 9-3. Proper location of the gas analyzer top wick (left) and

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer The first part of the following procedure simply measures the CO2 and H2O z

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 FIGURE 9-4. The zero-and-span shroud mounted on the zero-and-span stand.

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer Use mixtures of CO2 and ambient air for the CO2 span gas. The use of refer

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer 11. Examine the measurements that were written down for span CO2, span H2O

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer excessively (see Section 9.4, Zero and Span), the bottles should be replace

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer Monitoring Division / National Oceanographic and Atmospheric Administration

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

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. Config Cmd Values for Setting and Retrieving Settings ConfigC

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

Precautions DANGER — MANY HAZARDS ARE ASSOCIATED WITH INSTALLING, USING, MAINTAINING, AND WORKING ON OR AROUND TRIPODS, TOWERS, AND ANY ATTACHMENTS TO

IRGASON® Integrated CO2/H2O Open-Path Gas Analyzer and 3D Sonic Anemometer output indicates moisture is present, the datalogger can send the EC100Conf

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

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), whe

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

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 t

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 FIGURE A-2. Frequency response comparison of the EC100 10 Hz bandwidth and a 50 ms moving average TABLE

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

Appendix C. Material Safety Data Sheets (MSDS) C.2 Decarbite MSDS C-2

Appendix C. Material Safety Data Sheets (MSDS) C-3

Appendix C. Material Safety Data Sheets (MSDS) C-4

Campbell Scientific Companies Campbell Scientific, Inc. (CSI) 815 West 1800 North Logan, Utah 84321 UNITED STATES www.campbellsci.com • info@campbe

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Table of Contents 9. Maintenance ..... 25 9.1 Routine Maintenance ...

Table of Contents 9-1. Proper location of the sonic top wick (left) and bottom wick (right) ..............