STANDARD OPERATING PROCEDURE FOR
MEASURING WIND SPEED AND DIRECTION
USING THE
CLIMATRONICS SONIC ANEMOMETER
AND
CAMPBELL SCIENTIFIC CR200W DATALOGGER
U.S. Environmental Protection Agency
Office of Air Quality Planning and Standards
Research Triangle Park, North Carolina 27711
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Toxics in Schools, Anemometer SOP
Rev. No. 0
July 23, 2009
Acknowledgement
This Standard Operating Procedure (SOP) was developed by MACTEC
Engineering & Consulting, Inc. for the EPA Office of Air Quality Planning and
Standards under EPA contract EP-D-05-096, Work Assignment 4-10.
For questions or comments please contact:
Mike Jones, EPA-OAQPS-AQAD at iones.mike@.epa.gov or 919-541-0528
Jonathan Miller, EPA-OAQPS -OID-NADG at miller.ionathan@epa.gov or 919-
541-7738
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Toxics in Schools, Anemometer SOP
Rev. No. 0
July 23, 2009
Table of Contents
I. Introduction 1
II. Method 1
III. Data Quality Objectives 2
IV. Equipment and Supplies 2
V. Hardware Modifications 2
V.1 Optional Installation of Electrical Box and Power Cord 2
VI. Hardware Installation 3
VII. Software Installation and Configuration 5
VII.1 Installing the Campbell Scientific PC200W Software 5
VII.2 Configuring the PC200W Software 6
VIII. Data Collection 14
IX. Data Transfer from PC to EPA 19
X. Audits and Checks 19
XI. Maintenance 19
11
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Toxics in Schools, Anemometer SOP
Rev. No. 0
July 23, 2009
Table of Figures
Figure 1. Climatronics Sonimometer 1
Figure 2. Optional Installation of Electrical Box and Power Cord 3
Figure 3. Online Declination Calculation 4
Figure 4. Opening Configuration Screen 6
Figure 5. Communications Setup- Datalogger Type and Name 7
Figure 6. Communications Settings- COM Port Selection 8
Figure 7. Datalogger Settings 8
Figure 8. Communications Setup Summary 9
Figure 9. Communications Test 9
Figure 10. Popup Window When the Communications Test Is Performed 10
Figure 11. Communications Test - Window When the Communications
Test Is Successful 10
Figure 12. Datalogger Clock 11
Figure 13. Send Program - Datalogger Program - Skip This Step 12
Figure 14. Wizard Complete 13
Figure 15. Comfirmation Prompt 13
Figure 16. Screen Showing Datalogger Connection 14
Figure 17. Monitoring Data 15
Figure 18. Collect Data 16
Figure 19. Initial Location to Save Collected Data 17
Figure 20. Collect Data Tab with File Extension Changed 18
in
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INTRODUCTION
This procedure describes the installation of the Climatronics Sonimometer™
and the Campbell Scientific CR200W datalogger software. This document also
provides instructions on modifying the datalogger to be recharged using a
battery or run directly from AC power.
II. METHOD
The Climatronics Sonimometer™ (Figure 1) is designed as a stand-alone
sensor to measure the horizontal wind speed and direction. Standard digital
outputs are RS-232C, RS485, and SDI-12.
Figure 1. Climatronics Sonimometer
11.1. Instrument Siting
The sensor head should be installed at least two (2) meters above the
ground, mounting platform, or rooftop and in an area clear of
obstructions.
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III. DATA QUALITY OBJECTIVES
No Data Quality Objectives (DQOs) were specifically identified in the Quality
Assurance Project Plan (QAPP) for wind speed and direction for the School Air
Toxics Monitoring Program (SATMP).
IV. EQUIPMENT AND SUPPLIES
The following equipment and supplies are required for this field program:
• Sonic Anemometer Climatronics Sonimometer™ - Part 102779
• Datalogger Campbell Scientific CR200W
• Datalogger software PC200W
• Copper grounding wire, 7-strand, #8 gauge
The following are optional if other mounting equipment and techniques are
available to raise the anemometer at least 2 meters above the surface and
clear of obstructions:
• Antenna mount tripod
• Aluminum masts
For the optional electrical box (see Section V), the following is needed:
• Cord lock, weatherproof 12/3 AWG power cord
• Crimpless battery terminal connector side terminals
Various connectors, such as hanging brackets and nuts, are also required but
not listed here.
V. HARDWARE MODIFICATIONS
Prior to installing the anemometer, one or more of the following hardware
modifications may be performed to recharge the on-board battery.
V.1. Optional Installation of Electrical Box and Power Cord
A small battery charger module has been provided to recharge the internal
battery provided with the anemometer (Figure 2). An option to permanently
mount the battery charger inside the anemometer console requires
modification of the console to allow installation of a power cord and duplex
electrical connector. A small hole is drilled through the bottom of the console,
large enough to insert a waterproof strain relief fitting suitable for a power cord
to enter the console. A receptacle box is attached to the aluminum back plate
and a duplex receptacle is inserted and attached to the power cord. The
Battery Charger is then plugged into the receptacle. (Note: the Battery Charger
will be held in place when the door to the console is closed and locked.)
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J T'
Figure 2. Optional Installation of Electrical Box and Power Cord
The two clamps attached to the low power leads of the battery charger are
removed and replaced with terminals compatible with the spare leads provided
by Climatronics for external power.
When the battery charger is first turned on the charge indicator should show a
solid yellow color (see the indicator legend on the battery charger). Depending
on the charge status of the battery, this indicator will turn green to indicate the
battery is fully charged.
VI. HARDWARE INSTALLATION
Sufficient cabling is provided with the instrument to locate the sensor head
about 7.5 meters (25 feet) from the control unit. The sensor head should be
installed at least 2 meters above the ground and in an area clear of
obstructions. Proper orientation of the sensor head with True North is required
to correctly determine wind direction. A compass (not supplied by EPA)
should be used to determine magnetic north. The declination can be
determined using the online National Geographic Data Center's web site
(http://www.ngdc.noaa.gov/geomag/declination.shtml). Selecting the link
"Compute your declination" allows the user to enter the longitude and latitude
of the location to determine the actual declination. For example, for North
Birmingham Elementary School, the latitude is 33.56 North and and longitude
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is 86.82 West. A date of interest is also required with the default being the
current day. The calculator returns a result of 2° 35' West (Figure 3), which
means the instrumentation must be rotated by that amount clockwise. See
Section 2.5.2.2 in the U.S. EPA's Quality Assurance Handbook for Air Pollution
Measurement Systems, Volume IV: Meteorological Measurements for
additional information.
This correction must be applied before securing the sensor head in place.
© BGAA's fcotrfrvikjl Data Center -
Figure 3. Online Declination Calculation
To be able to download data from the Datalogger to a computer, a 9-pin serial
computer cable (not supplied by EPA) must be attached to the serial port of
the data logger.
Once all connections have been made and verified, connect the two power
terminals to the battery. (If the system has been modified to include the battery
charger, connect the battery charger at this time.) A red LED on the datalogger
will blink periodically to indicate that the datalogger is scanning.
VII. SOFTWARE INSTALLATION AND CONFIGURATION
VII.1. Installing the Campbell Scientific PC200W Software
Once the datalogger and sonic anemometer are connected and power is
provided to the datalogger, the system immediately begins recording data.
The next step is to install the software to collect the data from the datalogger.
The serial cable used to transfer data from the data logger to the personal
computer does not need to be connected until the communications test is
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performed. However, connecting the RS232 port on the datalogger to the
serial port on the computer at this time will not interfere with the software
installation.
To start the software installation, insert the Resource CD from Campbell
Scientific in the CD/DVD drive on your computer. If the setup wizard does not
start automatically, use Windows Explorer to navigate to your CD/DVD drive
and double click on the file named "AutoRun.exe".
The following steps will install the software on your computer.
1. At the opening screen, click on "Software" under "Demo and Starter Software"
on the right side of the screen.
2. On the second screen, click on "PC200W 3.3" to start the software
installation.
3. On the Welcome to the InstallShield Wizard for PC200W, click NEXT.
4. After viewing the license agreement, click the "I accept the terms of the
license agreement" radio button and click NEXT.
5. Choose a destination folder in which to install the software. You can accept
the default location or use the "Browse" button to change the destination
directory. Click NEXT.
6. Enter a working directory. You can accept the default directory, which is
different than the default location in Step 5, or use the "Browse" button to
change the destination directory. Click NEXT.
7. Select a Program Folder for the software. Click NEXT.
8. A warning will be displayed indicating that all other Campbell Scientific
applications must be closed. Click OK when there are no open Campbell
Scientific applications.
9. The PC200W software is installed on your system. This process takes less
than a minute to complete on newer personal computers.
10. Once the installation is complete, check the box to add PC200W shortcuts to
your desktop of you want an icon on the computer's desktop. Two icons are
placed on your desktop - an icon to run the software and a device
configuration utility. Click FINISH.
11. Close the Resource CD screen and remove the CD from the CD/DVD drive.
VII.2 Configuring the PC200W Software
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The following steps configure the software to collect and transfer data.
Double click on the PC200W (or the name you gave it in Step 7 above) icon
on your desktop. If a shortcut to the software was not placed on the desktop,
select the software program using the Start menu. The first time the software
is started, an opening screen is briefly displayed. When the screen closes,
the window shown in Figure 4 is displayed, allowing you to add and configure
the datalogger.
4 * -v
Miniti i TMN ~II|KI.I|"I-I'C
Click the "Add" button to add a datalogger.
n'ldi*
PC
11 PauwCfo:k Update
Datalogger fine Zone Offset
Current Program
Disconnccfcod
Figure 4. Opening Configuration Screen
Click on the Green Plus Sign to add a datalogger.
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The EZ Setup Wizard introductory screen is displayed. Click NEXT to display
the Communications Setup (Figure 5). On this screen you select the
datalogger type (CR200 Series) and enter a name for your datalogger. DO
NOT ACCEPT THE DEFAULT NAME if one is provided - CHANGE THE
NAME following the guidelines provided. If you have multiple dataloggers,
using the default name or the same name for all dataloggers will append all
data collected into a single file.
Progress
I rttBduction
- Communication Eelup
Datalogger B ettings
Setup Summary
Communication Test
Datalogger Clock
9 end Program
Wizard Complete
Data logger Type and Name
CR10>OD
Seteet the datalogger tjpe aid entei a name
for your databgger.
DatataDper Name
________
Click Nexl tacontnue.
CR23X
CR23XPB v
<( Piewojtl I Nexl |>
Cancel Da'aicgger ^e
Figure 5. Communications Setup - Datalogger Type and Name
Datalogger Naming Convention:
• Use a form of the school name that uniquely identifies it,
• Avoid using periods in the name,
Once the datalogger name is entered, click NEXT.
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Before proceeding, connect the serial cable from the data logger to the
computer. On the COM Port Selection screen, select the COM port the data
logger is connected to and keep the COM Port Communication Delay at 00
seconds (Figure 6). Click NEXT.
Progicii
Inn eduction
4- rnranuniratinn 5f?lup
Datalogger ScMirgs
Setup SummaFj
Connmjnicaiion Tech
Datalogger Cbck
Send Program
Vizard Co
COM Port Selection
.COM Port
COM!
COM PartGommuracatcm Delay
CO seconds ^
4 Prewcus Hot ft
Select !he computer's LOM Port iwhae the
datalogger is Cached
if using en SC-1RCA device, you nra^ need to
have a dela^ teloie commmcatbn is
atterrpted on the COM pert This will dlow the
PC to load the aporopiiate drivers. 12 to 4
seconds should be enough)
Cared
COM PorlHdp
Figure 6. Communications Settings - COM Port Selection
In the Datalogger Settings window (Figure 7), select 9600 baud, PakBus
Address is 1, and Extra Response Time is 00 seconds. Click NEXT.
Prngrfiss
irtiodiciion
Communication Se£i*p
>~* Datalogger Sellings
Setup Summary
CorniriuricalionTest
Daiabgger Cbck
S end Program
Wizard Ccrrpbl©
Sfittinfjs
Baud Rate:
36CO
Ehtra RespDiiseTiras;
| QUssCTrels
Previous I Next
Erter tl-e baud rate that will be used in ccmn.rnicathg
with the daatagaer. Note: If usho RF401 s n a
hai$p*aic*it mode, se! fric baud rats here and in ^he
radio to 33,400 bps.
A unique PakBus address is ussd ID identify the
datdogger in the PakBus network. Enter the PskBus
addiets that was set on the databgger |1 .'3399J.
II Iho dalaloggsr requres ewra lime to respords ertor
the esira resporee time
Carcel
Setting? he
Figure 7. Datalogger Settings
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In the Communications Summary window (Figure 8), review your settings. To
make changes, click the Previous button to modify your entries on previous
screens. Click NEXT if finished.
irtroduciion
Cotniriurioaiion Sdi*p
Databggef Settings
^> Setup Siimnaiy
Corrirnuricafen Test
Daiatagga Dtack
Ssnd Program
Wizard Ccnpleie
Cnmmunicfltinn Setup Summary
The loilcwing is a surrray c( ite datatagga1 setup
Datalogger Information
| Dalalogger Name: CR2DOSe(ies
| Dalaioaoer Tjipe: CR20Q5enes
Direct Connect Connection
| DDM Pert' COM!
Datalogger Settings
i Baud Rate: £600
| PakBusiddress 1
| Exta Response This. Os
Previous HsKt
Fnsh
Carcsl
Summary He'
Figure 8. Communications Setup Summary
Perform a communications test (Figure 9). Be sure the 'Yes' radio button is
selected and click NEXT to perform the test. The popup shown in Figure 10 is
displayed while the test is performed.
Progics-i-
Intrcduction
Cnrnrunic^ion Selup
Datalogger Setiirgs
Setup Summary
-fr CoraiBurHGaliDn Te«t
Datalogger Cbck
SendProaram
Communicalion Test
You now have the option d testing conwiuricaiion with the ddtdcgga. Ths ^11
ensure thaft Ihe datdcgger has been set up correct^. The connection wii be
kept online so thai other seSip tasks can be peifcrimed (i.e., check/set clock..
piogram ;end|
Qick Nest to contnuc.
Nc?i
Fhish
Cancel
Connsct I
Figure 9. Communications Test
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Attempting to communicate with the datalogger,
Please wait . . .
cancel
Figure 10. Popup Window When the Communications Test Is
Performed.
If the test is successful, the window in Figure 11 is displayed. Click NEXT to
continue the installation process. If the test is not successful, check to be
sure the serial cable connecting the datalogger and computer is not damaged
(e.g., damaged or missing pins), properly connected, and the unit has power.
Irtioduction
Coinrnunieetion 5 ttup
Databggsr Settings
^i&tup Summary
5-CommuricatiDn Test
Datalogger Clock
Send Program
Wizard Complete
Cnmmunicfltinn Test Succeeded
Conninunicaion with the datalocost has been eaabistied. Because othei tasks
irs the *vzard rcqjre corrjinuniDatbn w*th Ills datalogger, the Ihk wl\ be kept
cn4ine urtiliou linish the wisard- The connection frre is shown at the bottom ol
the wizad.
QickNex! tocantnue.
L ,-i i n ri H 1:11 M ii 1 1 rn H
()-(M|-1O
4| Pievous
Newt P>
Fini-h
Lj-f1£eLJ
ConrectNsIp
Figure 11. Communications Test - Window When the
Communications Test Is Successful
10
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In the datalogger clock screen (Figure 12), the datalogger date/time must
record data in Local Standard Time. To account for the time shift associated
with daylight savings time, the Time Zone Offset must be set to -1.
Once the values are entered, click on the Set Datalogger Clock button and
click NEXT.
Irtroduaion
Coirimun!cd;icin S etup
Databgger Settings
Setup Summary
* Communication Test
Dalatogger Clock
S end Program
Wizard Complete
Connection Time"
0:00:12
Onmmunicatinn Test
Communication with the dataloopBi has been eaabished. Because ofhei taste
in the iveard reqjrc cmrnunioatDn wth the dotabggef, the Ihk wil be kcpl
en-line urtil ^ou Imish the wijafd. T he connection trr^ is sh^wn at the bottom o!
the wizad.
Dick Nexi to conthue.
Finish
Cancel
Correct Help
Figure 12. Datalogger Clock
11
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The next screen that appears (Figure 13) is to be skipped. It is used to
update the internal program in the datalogger. The program that is running is
the current and correct program for this air monitoring system. Click NEXT at
the datalogger program screen.
Piegicss
Indoduictitri
Corrfliuieasion Setup
Datalogger Sellings
Se^up Summary
Corrama^afian Test
Datalogger Clock
"> Send Program
Wizard Corpbte
Connection Time:
0:12:06
Datalogger Program
Cuneti Progionri
5700USEPA.CR2
Ssbot and Serd Rogram..
CurrenUy known pfograra.
II ths dafdcgger decs not have a
program, joj may wish to ssnd one
HOW.
II you don't have a piogiani, you can send it latei. CIcK Nent to
skip lie diatatagger pcogarn step. Mole 1 f there is no running
program in ths dalaicgger, data will net be stored by the databgger.
Neif !*•
hnish
Figure 13. Send Program - Datalogger Program - Skip This Step
Figure 14 shows the final screen displayed for the software configuration.
Click FINISH to close the wizard program. Since the serial cable is connected
between the datalogger and the computer, a prompt appears asking if you
wish to remain connected (Figure 15. Click on "Yes" to continue on to with
data collection or "No" to exit. If you choose to exit, unplug the serial cable
from the datalogger and the computer and close the datalogger shelter.
12
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You can restart the software and perform data collections by connecting the
computer and datalogger with the serial cable and double clicking icon the
desktop icon or from the list of Program Files under the Start menu.
frogics*
Inlicducbcn
Ccmroijibaiion Setup
Datalogger Settings
Setup Summary
CaTHjuiE^icn T cit
Datalofloer Clock
Send Raganri
Wizard Complete
Connection Time:
0:15:32
Wizard Complete
Ycu have finished setthg Lpjour dataloggei with Ins EZSotif) wizard.
Click Fnsh to close the wzard.
Mote: H ^c*j wish to cHange you databgger ssttings at a latai bme^ you
can edt the sei:trg{ Irom the Setup section ot the man window by
setaino the daiaicgoer anJ dic.kino he Edt buiton
Mmsh
Figure 14. Wizard Complete
tp , You are cirrently connected to CR2005eries,
fj Do you wish to stay connected?
°m
Ves
No
Figure 15. Comfirmation Prompt
13
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VIM. DATA COLLECTION
Once the software is installed and configured properly and data are being
recorded in the datalogger, the data can be transferred from the data logger to
the PC at any time. Connect the datalogger to the personal computer using
the serial cable. To start the software double click icon the desktop icon (if one
is present) or select it from the list of Program Files under the Start menu
Figure 16 shows the opening screen to monitor and collect data. Since the
datalogger is already connected to the computer, there is no need to
reestablish a connection. For future access and data collection from the
datalogger, see the Data Transfer section.
'm.ifi Hcn'o'jafi lolertPata
Dataluggur Irifoirnaliuri
Pjt:l:gga Type: CR2COSsnes
Direct Conneca Connection
COM Pcfi- COM3
Dntral ti g EJ e r Settings
Bajd Rate: SOD
Clocks
Doldhuo-r 5/1 4/20EB 1 0:0(1 21 AM
PC .....
G P«»*e deck Update
Set Clock
i TimeZcne Offset
0 houre 0 ra
5700 US EPA CR2
Figure 16. Screen Showing Datalogger Connection
Do NOT click the Set Clock or the Send Program buttons.
14
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Select the Monitor Data tab to view real time data (Figure 17). For the first
use, the State, County, and Site ID's must be set. To enter those values for
your system, double click on the file to be modified. When the field is
highlighted in yellow, type in the integer value and press ENTER on the
keyboard. The value is not accepted in the datalogger software if ENTER is
not pressed. The values to be entered have been provided by the U.S. EPA.
Entering a text string results in the letters NAN appearing - Not a Number.
Type in a valid value and press ENTER.
NOTE: If power should be interrupted to the datalogger between collections,
the site information will be lost (reset to zeroes) and must be re-entered before
collecting the data. Be sure to check those values each prior to collecting the
data.
Do not alter the default fields displayed since the data being collected will be
eventually be uploaded to EPA's Air Quality System (AQS). Any deviation
from the default parameters may result in a failed upload to AQS.
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*!
11.141. Le;irra'
PwM.tr .W,
TfV'Stymf: iF. ''I.V
County . ''J.O'J
SitelD , 0.0 J
vs 'J" .2'j
wd ^.2'j
ban "..'4
oTKin Irftr t
Figure 17. Monitoring Data
15
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Once the system is operational, data can be transferred from the datalogger to
the computer. That operation is performed under the Collect Data tab (Figure
18). There are several areas on this tab that affect how much data are
collected and where it is stored.
'^. £3
I
Whal Is Colled
Cv New data tain datalraoar
.3 hbsj
^j' All d^« Norn dafcsbgcpsi
T-stle Fie Nsme
~ Piitfc C-yr.strpbBlsaVPCZrOWVrnzODSeties.PiWc -Sit
H Status C:^Canptel*d\Pr.?IBW\CflZOTSeiB4_Si«u!.dw
5: TaUcBfl D'C«n-pbrlta'JrjC2rjBrt\Cn2COSeiiei_T!!bfc£0 rfrf
.cnroaon lime L'iU Iftt
Figure 18. Collect Data
In the box labeled "What to Collect", there are two choices. Selecting "New
data from datalogger" will collect data since the last collection. Selecting "All
data from datalogger" will collect all the data on the datalogger. Select the
option to collect New data.
For this program, only the data from the table labeled TableSO needs to be
collected. Make sure the check box next to tableSO is checked. The check
boxes next to Public and Status can remain unchecked.
By default the data are saved to files with the extension .DAT for the initial data
collection. The data must be saved as .CSV (comma separated values) files.
The process is explained below.
The filename needs to be changed each time the data are collected. For the
initial collection, the default name will be the datalogger name followed by an
underscore and the table type, as shown in Figure 18. If the name of the
school was entered for the datalogger name (see Figure 5), then that name
appears in place of "CR200Series" shown in Figure 18.
16
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The naming convention that should be used is dataloggername_mmdd where
datalogger name is the school name and mm is the month represented as an
integer (e.g., July = 07) and cfcf is the day.
To change the location where the data are to be stored, the file type
(extension) and the filename, highlight the row for TableSO (failure to do so will
produce a prompt to highlight the file) and click on the Change Table's Output
File. The standard Microsoft Windows File Open dialog opens. The first time
this button is used, the folder location is the PC200W folder (Figure 19).
Change this to a folder of your choosing.
r -. . • • -.. ..%-i1
i-.joqs
My Recent
Doeunerts
My Docurnente
'}
-j
My CcmpUei
Fie name: CRZOQSeries Table6Q.dal v, Save
MyMslwork Save as type: DalaFile(*dal) '«•* Cancel
Figure 19. Initial Location to Save Collected Data
17
-------
Change the extension to .CSV under Save as Type and change the filename
to the convention described above in the File Name. Click on the Save button
to return to the Collect Data tab (Figure 20). Confirm that the extension was
changed to .CSV before proceeding and make changes if necessary.
Prog
What to Coder.!
(Append to data Fiea]
O Mi data f wn datalogger
IResboe data HiesJ
OiangaTaUe'sDUDUtRIa
Fib Name
C \CaT«ibslschPC20Dv/vCRIDOBeries_R±ilc dai
SiIc 3706?DD22 Oala csv
'MW> i wi. it
Figure 20. Collect Data Tab with File Extension Changed
To begin the collection process, click on the small blue "Collect" button left of
the Progress bar.
Once the data collection is complete, you can disconnect from the datalogger
using the Disconnect button in the upper left or close the software window.
Doing the latter will generate a message box indicating that the datalogger is
still connected and ask if you want to disconnect and ext. Click on Yes.
The next time data are collected, the open file dialog (Figure 20) displays the
folder where collected data are stored (and not the default PC200W folder).
Also, the extension .CSV should have been retained by the software, but it is
best to confirm this.
18
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IX. DATA TRANSFER FROM PC TO EPA
Once the data are collected, the text file (associated with TableSO shown in
Figure 20) is to be transmitted each week to EPA for processing. The
preferred method is to email the text file to Jonathan Miller. His email address
is miller.ionathan(S)epa.gov. If you do not have access to email or if there are
problems transmitting the data, he can be contacted at 919-541-7738 to
discuss how to transmit the data to him.
X. AUDITS AND CHECKS
An independent audit will be conducted of the instrumentation at each site
once during the field program. See the QAPP for more information regarding
the audit of the wind instrumentation.
XI. MAINTENANCE
The anemometer and datalogger unit should be examined for visible damage
with each site visit. If damage is noted, EPA should be notified immediately.
Contact names are provided in the acknowledgements.
The anemometer has no moving parts therefore, periodic maintenance is not
required. There are no adjustable or user replaceable parts located inside the
sensor.
19
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