Campbell-scientific EC150 CO2 and H2O Open-Path Gas Analyzer and EC100 Manuel d'utilisateur

INSTRUCTION MANUAL EC150 CO2/H2O Open-Path Gas Analyzer Revision: 6/14 Copyright © 2010- 2014 Campbell Scientific, Inc.

Table of Contents 8-2. Diagnostic Flags of Sonic Status LED ... 33 8-3. Diagnostic Flags and Suggested Ac

EC150 CO2/H2O Open-Path Gas Analyzer 1. Introduction The EC150 is an in situ, open-path, mid-infrared absorption gas analyzer that measures the abso

EC150 CO2/H2O Open-Path Gas Analyzer o Handle the EC150 carefully. The optical source may be damaged by rough handling, especially while the analyze

EC150 CO2/H2O Open-Path Gas Analyzer • Unique design contains little obstruction surrounding the sample volume • 5W total power consumption • Sync

EC150 CO2/H2O Open-Path Gas Analyzer 4.6 EC100 Electronics Module The EC100 electronics module (shown in FIGURE 4-1) controls the EC150 and optional

EC150 CO2/H2O Open-Path Gas Analyzer 4.6.2.1 SDM Output To use SDM data output, connect an SDM communications cable from the EC100 (see Section 6.3,

EC150 CO2/H2O Open-Path Gas Analyzer The algorithm uses the following environmental parameters to control the heater: • Analyzer body temperature, me

EC150 CO2/H2O Open-Path Gas Analyzer The EC100 electronics module digitizes and process the detector data (along with ancillary data such as ambient a

EC150 CO2/H2O Open-Path Gas Analyzer Gas analyzer Measurement precisioniii CO2 density: 0.2 mg·m–3 (0.15 µmol·mol–1) H2O density: 0.004 g·m–3 (0.006

EC150 CO2/H2O Open-Path Gas Analyzer CSAT3 sonic reporting range Full scale wind: ±65.6 m/s Sonic temperature: −50° to 60°C Auxiliary sensorsvii Bar

EC150 CO2/H2O Open-Path Gas Analyzer Dimensions Head housing diameter: 3.2 cm (1.3 in) Head length: 29.7 cm (11.7 in) EC100 enclosure: 24.1 c

EC150 CO2/H2O Open-Path Gas Analyzer 6. Installation 6.1 Orientation During operation, the EC150 should be positioned vertically (±15°) so that the

EC150 CO2/H2O Open-Path Gas Analyzer The mounting bracket for the EC50 with CSAT3A, pn 26786, allows the intake source of the CSAT3A and EC150 to be p

EC150 CO2/H2O Open-Path Gas Analyzer FIGURE 6-3. Mounting position of CSAT3A and EC155 with a 4.9 cm sensor separation. FIGURE 6-4. Mounting posit

EC150 CO2/H2O Open-Path Gas Analyzer 6.2.1 Preparing the mounting structure 1. Secure a CM20X crossarm to a tripod or other vertical structure using

EC150 CO2/H2O Open-Path Gas Analyzer Avoid crashing the arms of the sensors together. The arms of the analyzer should slide in between the claws of th

EC150 CO2/H2O Open-Path Gas Analyzer FIGURE 6-6. Exploded view of mounting the EC150 without the CSAT3A Over-tightening bolts will damage or deform

EC150 CO2/H2O Open-Path Gas Analyzer Use caution when handling the EC150 gas analyzer head. The optical source may be damaged by rough handling, esp

EC150 CO2/H2O Open-Path Gas Analyzer bracket (it should slide into place and be able to securely hang from the bracket), and retightening the bolts (s

EC150 CO2/H2O Open-Path Gas Analyzer FIGURE 6-9. EC150 temperature probe FIGURE 6-10. Solar radiation shield with EC150 temperature probe 6.3 Wir

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

EC150 CO2/H2O Open-Path Gas Analyzer FIGURE 6-12. Bottom of EC100 enclosure 6.3.1 Connecting the EC150 Gas Analyzer Head 1. Remove the black rubbe

EC150 CO2/H2O Open-Path Gas Analyzer 6.3.3 Connect the EC150 Temperature Probe 1. Unscrew the temperature connector cover which is found on the bott

EC150 CO2/H2O Open-Path Gas Analyzer TABLE 6-1. EC100 SDM output to a Campbell Scientific CR1000, CR3000, or CR5000 Datalogger EC100 Channel Descrip

EC150 CO2/H2O Open-Path Gas Analyzer natural elements. A zero-and span procedure should be performed after installation of the instrument to give app

EC150 CO2/H2O Open-Path Gas Analyzer 1. Remove power from the EC100/EC150. Unplugging the power cable from the EC100 is the easiest way to accomplis

EC150 CO2/H2O Open-Path Gas Analyzer 5. Disconnect the EC150 temperature probe from the EC100 and connect the shroud temperature probe in its place.

EC150 CO2/H2O Open-Path Gas Analyzer FIGURE 7-2. ECMon zero-and-span window 15. Remove the CO2 span gas from the inlet of the shroud and replace it

EC150 CO2/H2O Open-Path Gas Analyzer Compute the drift in instrument gain using the following equation: measmeasactualzerospanspangain−= where, • spa

EC150 CO2/H2O Open-Path Gas Analyzer 8. Maintenance and Troubleshooting EC150 operation requires six maintenance tasks: • Routine site maintenance

EC150 CO2/H2O Open-Path Gas Analyzer The bottom wick is installed in a similar manner, except the long seam should be aligned with the long side of th

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

EC150 CO2/H2O Open-Path Gas Analyzer Performing frequent zero-and-span procedures when the instrument is first put into use to determine the drift fro

EC150 CO2/H2O Open-Path Gas Analyzer FIGURE 8-2. Replacing the desiccant/CO2 scrubber bottles 8.6 Factory Recalibration When the EC150 is manufactu

EC150 CO2/H2O Open-Path Gas Analyzer 8.7 Troubleshooting 8.7.1 Data Loss During Precipitation Events In extremely humid environments or after a prec

EC150 CO2/H2O Open-Path Gas Analyzer power supply cable is adequate gage and does not cause excessive voltage drop. • SONIC Status LED The SONIC sta

EC150 CO2/H2O Open-Path Gas Analyzer If any of the remaining 22 flags are set, the master flag (BAD_DATA) is set as well, so that the user can filter

EC150 CO2/H2O Open-Path Gas Analyzer TABLE 8-3. Diagnostic Flags and Suggested Actions Flag Number Flag Name Comments 3 Motor Speed Set when the

EC150 CO2/H2O Open-Path Gas Analyzer TABLE 8-3. Diagnostic Flags and Suggested Actions Flag Number Flag Name Comments 10 Ambient Temperature Set w

EC150 CO2/H2O Open-Path Gas Analyzer TABLE 8-3. Diagnostic Flags and Suggested Actions Flag Number Flag Name Comments 18 CO2 Signal Strength Set i

EC150 CO2/H2O Open-Path Gas Analyzer 38

Appendix A. EC150 Settings Operation of the EC150 can be customized by changing the values of the settings. Factory defaults will work well for mos

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

Appendix A. EC150 Settings A.2.1 SDM Address This parameter must be set to use SDM output from the EC100. See Section 4.6.2.1, SDM Output, for deta

Appendix A. EC150 Settings The Unprompted Output setting is stored in non-volatile memory of the EC100 electronics. A.2.5 RS-485 Baud Rate If the un

Appendix A. EC150 Settings The Fixed Temperature Value setting is stored in non-volatile memory of the EC100 electronics. A.2.10 Pressure Sensor Ther

Appendix A. EC150 Settings FIGURE A-2. Location of EC100 enhanced barometer FIGURE A-3. Comparison of error in basic versus enhanced barometer ov

Appendix A. EC150 Settings 3. The option of a third barometer choice is also available but is rarely used. A user-supplied barometer option can als

Appendix A. EC150 Settings A.2.12 Heater Control When set to automatic, this setting applies a voltage between 0 and 4600 mV to heaters near the opti

Appendix A. EC150 Settings FIGURE A-4. Main screen of ECMon FIGURE A-5. Setup screen in ECMon A-8

Appendix A. EC150 Settings A.4 Device Configuration Utility The Device Configuration Utility software may also be used to change settings, although

Appendix A. EC150 Settings The instruction syntax is: EC100Configure(Result,SDMAddress,C onfigCmd,DestSource) Result is a variable that contains a

Appendix A. EC150 Settings TABLE A-2. ConfigCmd Values for Setting and Retrieving Settings ConfigCmd Variable Setting Description (some settings lis

Appendix A. EC150 Settings complete. To perform CO2 span, the CO2 Span Concentration setting (ConfigCmd 12) must be written to the proper value in p

Appendix B. Filter Bandwidth and Time Delay The EC100 measures CO2 and H2O from the EC150 gas analyzer head. It will also measure wind velocity and

Appendix B. Filter Bandwidth and Time Delay FIGURE B-2. Frequency response comparison of EC100 10-Hz bandwidth and a 50-msec moving average The ide

Appendix B. Filter Bandwidth and Time Delay provides a constant time delay for all spectral components within each filter’s pass band. TABLE B-1. Fi

Appendix B. Filter Bandwidth and Time Delay B-4

Appendix C. Alternate EC100 Outputs C.1 USB or RS-485 Output C.1.1 Specifications Digital RS-485 Data type: ASCII Output Rateviii: 5 to 50 Hz

Appendix C. Alternate EC100 Outputs TABLE C-1. USB and RS-485 Output Elements Data Element Description Units or comments 5 Sonic Diagnostic Flag 6

Appendix C. Alternate EC100 Outputs //signature(), signature algorithm. // Standard signature is initialized with a seed of 0xaaaa. // Returns sign

Appendix C. Alternate EC100 Outputs TABLE C-2. Multipliers and Offsets for Analog Outputs Density (mg·m-3) Voltage Output Multiplier (mg·m-3 V-1) O

Appendix D. Useful Equations The following table lists all the variables and constants used in the equations below: TABLE D-1. Variables and Consta

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

Appendix D. Useful Equations ( )15.2731000++−=TRMXPXPdvvdρ (D-4) ( )+−+=vvddXXTRPM1000115.273ρ (D-5) Dew Point from Molar

Appendix D. Useful Equations Vapor Pressure from Molar Mixing Ratio and Water Vapor Density vvXPXe+=1000 (D-12) ( )vvMTRe15.273+=ρ (D-13) Equation

Appendix D. Useful Equations D-4

Appendix E. Material Safety Data Sheets (MSDS) E.1 Magnesium Perchlorate MSDS E-1

Appendix E. Material Safety Data Sheets (MSDS) E-2

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

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

Appendix E. Material Safety Data Sheets (MSDS) E-5

Appendix E. Material Safety Data Sheets (MSDS) E-6

Appendix E. Material Safety Data Sheets (MSDS) E-7

Table of Contents 7.2 Zero and Span Procedure ... 23 8. Maintenance and Troubleshooti

Appendix E. Material Safety Data Sheets (MSDS) E.2 Decarbite MSDS E-8

Appendix E. Material Safety Data Sheets (MSDS) E-9

Appendix E. Material Safety Data Sheets (MSDS) E-10

Appendix F. Packing Information F.1 EC150-GH Packing Information F-1

Appendix F. Packing Information F.2 EC150-SH Packing Information F-2

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

Table of Contents D. Useful Equations .............. D-1 E. Material Safety Data Sheets (MSDS) .....