Campbell-scientific AP200 CO2/H2O Atmospheric Profile System Manuel d'utilisateur

INSTRUCTION MANUAL AP200 CO2/H2O Atmospheric Profile System Revision: 4/14 Copyright © 2012- 2014 Campbell Scientific, Inc

Table of Contents 5-14. Tabs for opening intake assembly ... 30 5-15. Wiring of heater cable on AP

Appendix F. Valve Sequence Timing F-6

Appendix G. AC/DC Adapter Kit The 28549 AC/DC Power Adapter Kit allows an AP200 CO2/H2O Atmospheric Profile System to be powered from AC mains power

Appendix G. AC/DC Adapter Kit The wire with the white stripe goes to the positive input terminal. FIGURE G-3. Cable extension connected to AP200 p

Appendix G. AC/DC Adapter Kit FIGURE G-4. AC power cord secured within AP200 system enclosure Plug the AC power cord into AC mains power, 100 Vac t

Appendix G. AC/DC Adapter Kit G-4

Appendix H. Using Swagelok® Fittings This appendix gives a few tips on using Swagelok® tube fittings. For more information, consult a local Swagelo

Appendix H. Using Swagelok® Fittings 1. Do not remove the nuts and ferrules from the fitting. Simply insert the tube into the assembled fitting unt

Appendix H. Using Swagelok® Fittings FIGURE H-1. Swagelok® insert TABLE H-2. Dimensions and Part Numbers for Swagelok® Inserts Tubing OD (in) Tub

Appendix H. Using Swagelok® Fittings Plugs Swagelok® plugs are used to plug a fitting when its tube is disconnected. It is strongly recommended to p

Appendix H. Using Swagelok® Fittings TABLE H-5. Dimensions and Part Numbers for Swagelok® Caps Tubing OD (in) Swagelok® pn CSI pn 1/8 B-200-C 192

Table of Contents H-4. Dimensions and Part Numbers for Swagelok® Plugs ... H-4 H-5. Dimensions and Part Numbers for Swagelok® Cap

Appendix H. Using Swagelok® Fittings H-6

Appendix I. Useful Equations Dewpoint Temperature Calculations The IRGA reports the dewpoint temperature (public variable Td_cell), but this repres

Appendix I. Useful Equations Calculate the ambient dewpoint temperature: zzTamb−=502.1797.240 Buck, eq. 7a =31121.610lnfezamb Buck, eq.

Appendix J. AP200 Pump Replacement J.1 Introduction A properly maintained AP200 system will exceed the lifetime of the system’s pump. This section

Appendix J. AP200 Pump Replacement 2. Remove the six screws that hold the cover on the AP200 pump module enclosure (see FIGURE J-2). If the screws

Appendix J. AP200 Pump Replacement FIGURE J-4. Location of pump connector in AP200 pump electronics 5. Gently lift the pump assembly from foam, le

Appendix J. AP200 Pump Replacement FIGURE J-6. Location of cuts to remove pump assembly from tubing 8. Remove the pump from the assembly. J.3 Ins

Appendix J. AP200 Pump Replacement FIGURE J-8. Pump side with inlet and outlet tubing connected 2. Reattach the pump to metal box with two self-ta

Appendix J. AP200 Pump Replacement J-6

Table of Contents vi

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

AP200 CO2/H2O Atmospheric Profile System 1. Introduction The AP200 CO2/H2O Atmospheric Profile System (AP200) measures atmospheric carbon dioxide an

AP200 CO2/H2O Atmospheric Profile System o Careful design of the power source for the AP200 should be undertaken to ensure uninterrupted power. If n

AP200 CO2/H2O Atmospheric Profile System FIGURE 4-1. Interior of AP200 system enclosure The AP200 intake assembly (pn 27693) includes an orifice to

AP200 CO2/H2O Atmospheric Profile System Intake assemblies shipped prior to August 2013 had the rain diverter located at the end of the assembly rathe

AP200 CO2/H2O Atmospheric Profile System To store data on a CompactFlash® (CF) memory card, the AP200 requires either an NL115 or a CFM100 (FIGURE 4-5

AP200 CO2/H2O Atmospheric Profile System FIGURE 4-7. AP200 keyboard display mounted in system enclosure This user interface is also available using

AP200 CO2/H2O Atmospheric Profile System tubing has an aluminum core to minimize diffusion through the tubing wall and a UV-resistant, black, high-den

AP200 CO2/H2O Atmospheric Profile System than their commercial counterparts. Campbell Scientific recommends the use of industrial-grade cards, such a

AP200 CO2/H2O Atmospheric Profile System 4.1.4 Other Accessories Portable Keyboard: The CR1000KD, shown in FIGURE 4-11, is a portable keyboard and d

AP200 CO2/H2O Atmospheric Profile System CR1000 in the AP200. The apps support field maintenance tasks such as viewing and collecting data, setting t

AP200 CO2/H2O Atmospheric Profile System Humidity Indicator Card: The replacement humidity indicator (FIGURE 4-15) card is pn 28878. FIGURE 4-15. H

AP200 CO2/H2O Atmospheric Profile System valves, adjusts pumping speed to control system pressure, and controls the temperatures of the pump and valve

AP200 CO2/H2O Atmospheric Profile System 4.2.1 Intake Assemblies The AP200 intake assembly (pn 27693) includes a heated rain diverter, an inline filt

AP200 CO2/H2O Atmospheric Profile System 657075808590951001050 500 1000 1500 2000 2500 3000Elevation (m)Ambient Pressure (kPa) FIGURE 4-19. Nominal a

AP200 CO2/H2O Atmospheric Profile System The flow will also vary with ambient temperature due to the corresponding change in air density. Higher-temp

AP200 CO2/H2O Atmospheric Profile System The valve manifold has eleven inlets (eight for air samples and three for zero/span) and two outlets (sample

AP200 CO2/H2O Atmospheric Profile System FIGURE 4-22. Pump module of AP200 system The AP200 pump module pulls air through the system and exhausts it

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

AP200 CO2/H2O Atmospheric Profile System Pump Temperature: The temperature of the pump module is reported in public variable pump_tmpr. The operatin

AP200 CO2/H2O Atmospheric Profile System Average power varies from 14 W above 30°C to 24 W at –30°C as shown in FIGURE 4-23. This includes 2.0 W for

AP200 CO2/H2O Atmospheric Profile System 4.3.3 Intake Assembly Dimensions: 27.9 cm x 12.5 cm x 19.0 cm (11.0 in x 5.0 in x 7.5 in) Weight: 1.4 kg (

AP200 CO2/H2O Atmospheric Profile System • Large pole (4.0-in to 10.0-in diameter) • No mounting bracket Consult the ENC10/12, ENC12/14, ENC14/16, E

AP200 CO2/H2O Atmospheric Profile System assembly on smaller pipes, orient the mounting clips with their notches toward the pipe, as shown it FIGURE 5

AP200 CO2/H2O Atmospheric Profile System FIGURE 5-3. Mounting clip orientation for pipe diameters between 3.9 and 5.1 cm FIGURE 5-4. Installation

AP200 CO2/H2O Atmospheric Profile System FIGURE 5-5. Tubing connections on bottom of AP200 enclosure If the AP200 system enclosure is mounted low to

AP200 CO2/H2O Atmospheric Profile System FIGURE 5-7 shows the tubing connections from the intake assemblies to the system enclosure. FIGURE 5-7. Tub

AP200 CO2/H2O Atmospheric Profile System FIGURE 5-8. AP200 system enclosure configured with cylinders of zero air and CO2 Flow meters and needle val

AP200 CO2/H2O Atmospheric Profile System FIGURE 5-9. H2O span inlet configured for a dewpoint generator 5.3 Wiring 5.3.1 Ground Connection The AP2

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

AP200 CO2/H2O Atmospheric Profile System 5.3.2 Intake Heater Cables The AP200 intake assemblies have a small heater in the rain diverter to prevent c

AP200 CO2/H2O Atmospheric Profile System FIGURE 5-12. Proper wiring of heater cable onto DIN bus of AP200 system enclosure To connect a wire to the

AP200 CO2/H2O Atmospheric Profile System Route the heater cable to the first intake assembly and cut it to the needed length. Open the intake assembl

AP200 CO2/H2O Atmospheric Profile System Insert and connect a second length of heater cable for the next intake assembly. Continue this “daisy chain”

AP200 CO2/H2O Atmospheric Profile System TABLE 5-1. Equivalent Resistance for Intake Heaters Connected in Parallel Number Of Heaters Nominal Resista

AP200 CO2/H2O Atmospheric Profile System FIGURE 5-17. Proper wiring of power cable onto DIN bus of AP200 system enclosure To relieve strain on the A

AP200 CO2/H2O Atmospheric Profile System This will relieve further strain on the cable and also minimize air infiltration to extend the life of the en

AP200 CO2/H2O Atmospheric Profile System PC200W, which may be downloaded from www.campbellsci.com. The AP200 uses some constants as “compile switches

AP200 CO2/H2O Atmospheric Profile System LEVELS_USED: This is the number of profile levels (air sample intakes) to be sampled. It must be an integer

AP200 CO2/H2O Atmospheric Profile System BATT_LOWLIMIT as appropriate to protect his battery. If AC main power and an AC/DC adapter are used, the lim

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

AP200 CO2/H2O Atmospheric Profile System Sequence Timing, for timing details). When the sequence is restarted, the AP200 will set seq_ACTIVE = True a

AP200 CO2/H2O Atmospheric Profile System valve_number: this is normally an integer from 1 to 8, indicating which profile level is being sampled. If t

AP200 CO2/H2O Atmospheric Profile System 6. Infrared Gas Analyzer (IRGA) Zero and Span The IRGA should be zeroed and spanned periodically to maintain

AP200 CO2/H2O Atmospheric Profile System After these variables are set, the valve sequence must be restarted to make the changes effective. See Secti

AP200 CO2/H2O Atmospheric Profile System If seq_ACTIVE is True, then set STOPsequence = True to stop the sequence and then verify that seq_ACTIVE chan

AP200 CO2/H2O Atmospheric Profile System Wait for the value of CO2 and H2O to stabilize. This normally takes one to two minutes. Set DO_zero to True.

AP200 CO2/H2O Atmospheric Profile System 6.2.4 Do H2O Span At the Manual Zero/Span menu, select Do H2O Span. This menu guides the user through the s

AP200 CO2/H2O Atmospheric Profile System If seq_ACTIVE is True, then set STOPsequence = True to stop the sequence, and then verify seq_ACTIVE changes

AP200 CO2/H2O Atmospheric Profile System To avoid pulling unfiltered air into the AP200, do not shut down or disconnect the dewpoint generator until

AP200 CO2/H2O Atmospheric Profile System Some common causes of leaks include: • Forgetting to tighten a fitting during the installation. It is good

AP200 CO2/H2O Atmospheric Profile System FIGURE 7-1. Releasing rain diverter from intake assembly Slide the foam insulation down the tube to expose

AP200 CO2/H2O Atmospheric Profile System FIGURE 7-2. Order of replacement for orifice, filter, and rain diverter Thread the rain diverter onto the f

AP200 CO2/H2O Atmospheric Profile System 7.4 LI-840A (IRGA) Consult the LI-COR® LI-840A manual (at www.licor.com) for details on maintaining the IRGA

AP200 CO2/H2O Atmospheric Profile System To remove the IRGA from the AP200: 1. Disconnect power from the AP200. 2. Disconnect the power connector fr

AP200 CO2/H2O Atmospheric Profile System message_log output table when the configuration command is sent and when the settings are acknowledged. The I

AP200 CO2/H2O Atmospheric Profile System Assume there are eight profile levels and that the AP200 is configured to set the zero and span every four ho

AP200 CO2/H2O Atmospheric Profile System 54

Appendix A. Keyboard Display Menu The AP200 CRBasic program includes a custom menu for the keyboard display. This menu provides a user-friendly int

Appendix A. Keyboard Display Menu A-2

Appendix A. Keyboard Display Menu A-3

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 A. Keyboard Display Menu A-4

Appendix B. AP200 Diagnostics The public variable diag_AP200 indicates conditions outside the normal operating range for the AP200. Any value other

Appendix B. AP200 Diagnostics Second, because it is an average over time, it is impossible to tell which bits are set. For example, an average of 4.

Appendix B. AP200 Diagnostics Bit 2: Valve temperature is outside its operating range Bit 2 of diag_AP200 indicates the valve temperature is outside

Appendix B. AP200 Diagnostics Also check the measured pump temperature, pump_tmpr and compare it to the operating range (0°C to 55°C). The pump modu

Appendix B. AP200 Diagnostics If the pump pressure is too low, check pump_control and pump_speed. When the pressure falls below the setpoint, the AP

Appendix B. AP200 Diagnostics Zero/Span Inlets The sample flow for zero/span inlets is set by restriction in the small, stainless steel tubes that co

Appendix C. Public Variables Some of the variables in the AP200’s CRBasic program are included in the Public table. These public variables may be di

Appendix C. Public Variables TABLE C-1. Public Variables Usage Variable Name Units Description INFO seq_ACTIVE Boolean flag: True if the valv

Appendix C. Public Variables TABLE C-1. Public Variables Usage Variable Name Units Description TAIR T_air(5) °C air temperature profile (option

Table of Contents 5.6.3 On-site System Checks ... 39 6. Infrared Gas Analyzer (IRGA) Zer

Appendix C. Public Variables C-4

Appendix D. Output Tables The AP200 program stores data in several output tables. Details are given for each table. IntAvg The primary output table

Appendix D. Output Tables TABLE D-1. Variables of the IntAvg Table Name Units Statistic When Used in Calculation When Included in Table diag_AP200

Appendix D. Output Tables TABLE D-1. Variables of the IntAvg Table Name Units Statistic When Used in Calculation When Included in Table L6_H2O pp

Appendix D. Output Tables TABLE D-1. Variables of the IntAvg Table Name Units Statistic When Used in Calculation When Included in Table T_air_Avg(

Appendix D. Output Tables TABLE D-2. Variables of the CalAvg Table Name Units Statistic When Used in Calculation When Included in Table NumSample

Appendix D. Output Tables TABLE D-2. Variables of the CalAvg Table Name Units Statistic When Used in Calculation When Included in Table T_air_Avg

Appendix D. Output Tables TABLE D-3. Variables of the SiteAvg Table Name Units Statistic When used in calculation When included in table sample_fl

Appendix D. Output Tables RawData The RawData table stores each sample of the AP200 data (two records per second). This table is normally used only

Appendix D. Output Tables TABLE D-4. Variables of the RawDataTable Name Units Statistic When Used in Calculation When Included in Table T_air(8)

Table of Contents J. AP200 Pump Replacement ... J-1 J.1 Introduction ...

Appendix D. Output Tables AUTO_ZEROSPAN, CAL_INTERVAL, and CAL_TIMEOFFSET. The next value, sync_interval, is calculated by the program. It is the d

Appendix D. Output Tables TABLE D-5. Variables of the TimeInfo Table Name Units ProfileOnCounts(2) ProfileOnCounts(3) ProfileOnCounts(4) Prof

Appendix D. Output Tables TABLE D-5. Variables of the TimeInfo Table Name Units CalOmitCounts(3) CalOmitCounts(4) CalOmitCounts(5) CalOmitCou

Appendix E. Temperature Profile The AP200 system can measure a temperature profile at up to eight levels, with 107-L temperature probes. These temp

Appendix E. Temperature Profile Example 1: temperature probes disabled: Const N_AirTemps = 0 'number of 107-L temperature sensors to measure (ma

Appendix F. Valve Sequence Timing The AP200 has two valve sequences: the profile sequence and the calibration (zero/span) sequence. The AP200 will

Appendix F. Valve Sequence Timing The profile sequence timing parameters are implemented in the AP200 CRBasic program as a set of three arrays. Thes

Appendix F. Valve Sequence Timing Example 2: LEVELS_USED = 5, STARTsequence set to True at 9:00:20. As shown in TABLE F-1, the cycle time for 5 level

Appendix F. Valve Sequence Timing time). For example, if there are eight levels used, the profile cycle time is 120 s. This means 40 s must be adde

Appendix F. Valve Sequence Timing • Select inlet 1 to allow at least 10 s extra equilibration time. This allows the humidity in the tubing and IRGA