FlowScan Suite v1.7.8 User Manual and
Contents
1. Add the unit Flowlinkinterface pas file to a project to get access to the FKT Microsoft Visual C Folder FlowKinetics FlowScan VisualC Example project workspace Run mdp How to use Add FlowLinklInterface h and flowlink lib to a project to get access to the FKT Note If a new library is needed use the lib utility with the included flowlink def file To do this run in a DOS box the following command LIB def flowlink def Microsoft Visual Basic Folder FlowKinetics FlowScan VisualBasic Example project Project1 vbp How to use Add FlowLinklInterface bas as a module to a project to get access to the FKT 35 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC National Instruments LabView Folder FlowKinetics FlowScan LabView Example Application FKTdemo vi LabView 5 or FKTdemo v7 vi LabView 7 How to use A SubVI is included that allows a LabView VI to access the FKT directly To use it in LabView go to the functions palette press select a vi and load FKTreadport vi LabView 5 or FKTreadport v7 vi LabView 7 from the FlowScan LabView folder This will place a SubVI with the following wiring time sec temperature stag deg C density kg m3 diff pressure Pa L diff pressure2 Pa diff pressure3 Pa COM port Pdiff Lag Corr sec Pabs Lag Corr sec Ratio of spec heats velocity 1 mis Molecular weight g mol velocity 2 mis Close port after read2. E FlowKinetics Regen FlowScan Suite v1 7 8 User Manual and Programming Guide Fite Edie gperace Project Windows fir alaiz Ep Yew Feet eet Tools Qata Window teb S 615 e Deusen Aber BE fe Oh KL MA 0 D Brezesn n 878 SSSR SX BM L o A men EDEN RE Lei 101549 L SE maon tonirana con iad Fepebeg Ko S Lee ege 401549 LEE fang ee 101549 piere re to place the data on the arent Excel worksheet WEI espe aeaee SI eare aal oh aa TT COM part com Z kk SERRE EE Hn Pitot correction 00 HS lolx La T CES EN SES S a Ca es Ama i r a wF wl Bad EI el BL 08 20 Fee me ler 3 a a C 9 E r bass ve L W SS m a ao c ma wT wel Sieg 0800 ene beer es l el sl FlowKinetics LLC e 528 Helena St e Bryan TX 77801 e Tel Fax 979 680 0659 www flowkinetics com e inform flowkinetics com April 3 2014 Printed in the USA FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Table of Contents EE A Getting E r la E E 6 THe FIOWS Cal Suite Gia a a i eH es 6 Ma ometer EE D ee 7 Installation EE 7 FlowScan Zelter 9 Startup Ea R r EE ENEE 9 Setting up the system esse eee aged i wan epee ce ete yy cadet ea asec anne ease 10 Sena ON EE 10 Kieler 11 Windows 2000 XP eye esas 11 Windows E
3. EE 11 Ee HEET 11 Pitot TECH EENEG 11 RE gene Te EE 11 L g CORTE CLIO D 12 EE 12 Date Ee ee E 13 Autosa VEO PIONS T 13 Quick Flow Rate EEN 13 ExCel COMMECHOMN EE 13 Monitoring the signal E 15 St rmg CG signal eege geen GEES E See EE See 18 IS 23 Port and Integration Options std Sond for ek fat Sand fan a Ban San Sant al an onl Son a a es od 24 nenn Un ee 27 Survey TEE 28 FlowSean Add in for Excel sss ssssssssssssss eenn 30 FIOWSCan Tee Te TE 31 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Gas eleien EE 31 Connectiom aleis 31 WIndows EE 31 WindOws 2000 1 XP EE 31 WV ITO SSIS PE EE 31 Override Instrument Readings eee seed eee eee 32 LAV OUL oi aes decia2s eee roe ies he e 32 SA UU EE 32 Eltre 33 Available FlowLink Library Funchons sss eee ee eee eee 33 Function ER OPEN DON EE 33 PUNCHONMIFKIGIOSS DOM wsacucscencceseeessneh canes este encndse cant est conep the EE i mere eee ecco 33 Function a i ele un UE 33 e TACIT Ao eege 34 DOrland GP Builders ccs cet scent aos out AE cc cack Gah arene as 35 Borland Delp EE 35 Microsoft EK EE 35 Microsoft Visual Basic eee 35 National Instruments LabView sese 36 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC License FlowScan and FlowLink Libraries copyright c 2001 2014 FlowKinetics LLC FlowScan and FlowKinetics Feel the Pressure are trademarks of FlowKinetics LLC IMPORTANT READ CAREFULLY This license statement
4. Lag parameter s 9 000 The data is formatted with a header Containing pick correction 1 00 Abs Press lag parameter s 0 000 the name and unit of each signal and the ac R corresponding values below it The reading Mite au e o number time pressure temperature humidity M abs press ms lr gt aa l and velocity are ordered in columns on the Een table Layout Sampling Pressure units Pa Readings per sample 1 Taip ons c u Sample every fo seconds To stop the current acquisition press Stop To e Il ER decrease the size of the Add In dialog press M Pisiy velocty Minimize Note that you cannot access the wen ms Iz a aeae tms worksheet while the Add In is running To S return to the worksheet press Exit Pat Ready A if you use the Add In in a worksheet that is not empty it may overwrite some or all of its values 30 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC FlowScan Add In Options The FlowScan Add In automatically stores all the settings when it is closed Gas properties FlowScan needs to know what type of gas it is being used The default values listed are for air Connection Options The FlowScan Add In needs the serial port number that the computer is using to communicate with the manometer This number also referred as the COM port can be found by using the System P
5. Software will meet your requirements or that its operations will be error free The entire risk as to the Software performance or quality or both is solely with the user and not the Author You assume responsibility for the selection of the component to achieve your intended results and for the installation use and results obtained from the Software The Software is not designed or intended to be used in any activity that may cause personal injury death or any other severe damage or loss The Author makes no warranty either implied or expressed including without limitation any warranty with respect to this Software documented here its quality performance or fitness for a particular purpose In no event shall the Author be liable to you for damages whether direct or indirect incidental special or consequential arising out the use of or any defect in the Software even if the Author has been advised of the possibility of such damages or for any claim by any other party FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC All other warranties of any kind either express or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose are expressly excluded Brand and product names referred to in this manual are trademarks or registered trademarks of their respective owners FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC
6. User Manual and Programming Guide 2002 2014 FlowKinetics LLC Port and Integration Options Port Number POWER ka P3 P1 P2 Kal d FKT3DP1A Duct surveys are performed using a Pitot probe connected to one of the ports on the manometer The user needs to select this port number for the duct survey The static port of the probe should be connected to the side of the differential port and the stagnation port should be connected to the side of the same differential port Integration Method After the duct survey FlowScan calculates volumetric and mass flow rate using integration There are two ways of integrating the survey data Centroids of Equal Areas or Log Tchebycheff Both of these methods differ in the point distribution used Duct Options FlowScan can be used on duct surveys of rectangular and circular ducts ith Rectangular ducts enter the height and width of the duct in the desired units FlowScan will use these units for the tabulation of the velocity data he number of points nH and nW refers to the number of points along the idth or the height of the duct The rectangular duct survey is performed by canning the duct in rows or columns of points across the duct then total number of points needed to perform the survey is nHxnW ith circular ducts only the diameter D of the duct is needed As for the rectangular duct the user is free to use one of many available units for the diameter he numbe
7. and limited warranty constitutes a legal agreement License Agreement between you either as an individual or a single entity and FlowKinetics LLC owner of the brand FlowKinetics Feel the Pressure for the software product FlowScan FlowScan Add In and FlowLink Libraries Software of which FlowKinetics LLC is the copyright holder The Web Site referred to in this agreement is http www flowkinetics com BY INSTALLING COPYING OR OTHERWISE USING THE SOFTWARE YOU AGREE TO BE BOUND BY ALL OF THE TERMS AND CONDITIONS OF THE LICENSE AGREEMENT Upon your acceptance of the terms and conditions of the License Agreement FlowKinetics LLC grants you the right to use the Software in the manner provided below If you do not accept the terms and conditions of the License Agreement you are to promptly delete each and any copy of the Software from your computer s This license agreement only applies to the Software products FlowScan FlowScan Add In and FlowLink Libraries The Vendor reserves the right to license the same Software to other individuals or entities under a different license agreement Under this license agreement the Software can be used by all persons and entities for private or commercial gain FlowKinetics LLC will not charge royalties for the use or inclusion of the Software in programs created by persons or entities Disclaimer The Author cannot and does not guarantee that any functions contained in the
8. corresponding differential pressure and the gas properties Absolute pressure DBL pressure reading in Pascals of the absolute pressure transducer Rel humidity DBL Relative humidity in percent Temperature static DBL Static temperature in degrees Celsius This temperature is calculated using the stagnation temperature and the velocity corresponding to the highest pressure reading Important before closing or stopping the main VI calling A FKTreadport vi the serial port must be closed by setting the Close port after read flag to true for the last reading See FKTdemo vi for an example 37
9. ee es oe ae so freee ee ee een e je 8 0 50 0 83 52 16 2 100783 244 1196 251 s kases 9 1007827 214 Read Value ins 1 lt lt Prev Point Next Point nia acacia Startup Exit lt lt Back Continue Survey complete 29 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC FlowScan Add In for Excel The FlowScan Add In allows you to record data from the instrument and automatically place it in the current Excel worksheet as a table To use this Add In start Excel and click on the FlowScan Add In icon in the FlowKinetics toolbar K FlowScan Add In FlowKinetics Link FlowScan Add In for Excel 2006 10 24 x A H e www flowkinetics Com F OW Ki n et l CS LLC inform flowkinetics com eel the pressure If the toolbar is not visible right click on a clear area of the Excel toolbar and activate the FlowKinetics Link toolbar Instructions 1 Turn FKT OFF 2 Connect FKT PC port to computer serial port 3 Switch FKT ON and wait for completion of initializing cycle 4 Set options below 5 Press Start to place the data on the current Excel worksheet Set the options as described below and press prg Start The Add In will read the data from the s atas pee wl Molec Weights 2555 gina instrument and send it to the currently open seac Options Excel worksheet starting at the selected cell compon om lt Diff Press
10. from the meter To repeat a survey click on lt lt Back and confirm the duct setup and then click on Continue gt gt Make sure you save the survey data before you restart a new survey T barb Pabs ha Pitot P P Survey Results Once the survey grid has been completed FlowScan calculates the volumetric and mass flow rates for the duct as well as the velocity table for the selected pressure port e The rates can be displayed in a number of useful units depending on the application You can also select the units for all the other values in the Survey Data tab e Press Send to Excel to send the rates and the survey data to a new Excel worksheet e Press Save to store the survey data in any of these three ASCII formats Space Delimited Text txt Tab Delimited Text prn or Comma Delimited Text csv e Press Print to send the survey data to a printer e Press Copy to send the survey data to the clipboard e Press Font to change the table font e Press Report to create an editable report that contains all the survey results 28 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC The rates are calculated as shown below Volumetric flow rate la Aau is the duct cross sectional area O Aan gt n is the total number of points surveyed V is the indicated velocity at each measurement point Mass flow rate n p is the density of the gas in the duct 1 m pO A P Q is the vol
11. from top left to bottom right on the plot using the mouse while pressing the left button To un zoom draw a rectangle in reverse from lower right to top left FlowScan File Help r Signals to display 2040 2060 2080 2100 2120 Time seconds Arrangement Tiled Layered Vell m sec 2040 2060 2080 2100 2120 ER Digital Meters F Linear Meters IC Plots Data Pati i 140 Ee bom _ Pdiff3 120 T T Pabs Temperature Ce BEE ee E oes ae ee 00 L Stag Temp Z on Relative Humidity E _ Density as a ies aaa ica aaa Salas v E EE E SE O vel2 L el3 a Connected a Not Sampling fam Small Ze Clear Reset H Save B Print ER Copy Forts Report rell Properties Title en Units m D Color Ess Style La R Auto fit Fixed Min bm Max ha Time Axis Properties en ve Time Auto fit Fixed from F 00 to fi 00 fi o0 wide rLayered Plot Vertical Axis Title Signal Auto fit Fixed Min Max fioo Fixed Window Time seconds Connected Time elapsed 2137 539 sec Using COM port 4 Autosave enabled You can use the panel on the right to control many of the plot and signal properties Making a change on that panel also changes Data and Meter text Select the signal that you want to edit before chang
12. operations are performed and before the application ends Returns a Boolean indicating TRUE if port successfully closed and FALSE otherwise Parameters none Function FKTreadportfull VOID FkKTreadportfull gamma M lagli lag2 mtime pressurel pressure2 pressure3 pressure4 temperature humidity temperature2 density vell vel2 vel3 33 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Purpose Acquires the current reading from the FKT Returns mtime 64bit float time from instrument sec pressurel 64bit float diff pressure 1 Pa pressure2 64bit float diff pressure 2 Pa pressure3 64bit float diff pressure 3 Pa pressure4 64bit float absolute pressure Pa temperature 64bit float stagnation temp C humidity 64bit float Rel humidity temperature2 64bit float static temp C density 64bit float density kg m3 vell 64bit float velocity from diff pressure 1 m sec vel2 64bit float velocity from diff pressure 2 m sec vel3 64bit float velocity from diff pressure 3 m sec Notes 1 If the model used has less than 3 differential transducers then the pressures and velocities not returned by the instrument will be zero 2 If this function is called faster than the instrument can update the values then it will wait until a new reading is generated by the instrument 3 The static temperature is calculated using the stagnation temperatu
13. 418 D 0 25 4 2 129 D D FlowScan O x 5 2 842 U 0 3 6 3 553 0 olf R anse BR see EI za T H save 7 4 262 D 0 a 5 684 0 Gl Digtal Meters A Linear Meters EZ Plots lS DD ee SSES H 6 389 0 0 Fam Pa Vel m sec Pdiff2 10 7 098 D Di 9 10 0 40 C pana 11 7 811 0 Di 9 08 0 35 C Paps 12 8 522 0 Di 9 08 0 30 e ete ag Temp 13 9 231 0 0 25 S Relative Humidity 14 9 944 U 0 ene 0 20 O Density 15 10 654 0 OI 9 0 gag Ean 16 11 368 0 0 0 222 et 17 12 078 o oj 2 AN O veis 18 12 787 0 1 0 pee e D Oh Sheet ASheet2 Sheets Draw P Autoshapes N OS AIS O 4 A S322BG IC Ready A Do not edit the Excel worksheet while FlowScan is filling it with data Doing so will result in an error and data loss Duct Surveys FlowScan allows you to conduct surveys on rectangular and circular cross section ducts using the manometer along with the optional Pitot static probe FlowScan uses the velocity recorded in the surveys to calculate the mass and volumetric flow rate on the duct The surveys can be done using several point distributions and the results are calculated using one of two integration methods Also the user can export the results to disk or a printer Details on these options are discussed in the next few sections To access duct survey mode make sure that FlowScan is in the startup screen Then select duct survey mode and click on Continue gt gt 23 FlowScan
14. D Relative Humidity Signal Value Mim an Ave 150 3 0 1 150 3 38 7 Vell m sec 15 93 0 11 15 93 4 58 L Density Auto fit v Ve O Fixed min D mex 190 O vels Time Axis Properties Tite Time Units seconds N CG Auto fit Fixed from F 00 to fi 00 Fixed Window fi o0 wide Arrangement rLayered Plot Vertical Axis Tiled Title Signal e Layered Auto fit I Grid lines O Fixed Min fp Mae fioo Connected Using COM port 4 Time elapsed 0 000 sec Autosave enabled 16 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Linear Meters e The meters automatically scale to the min max values for the signal to the closest whole number e The minimum and maximum values are shown by the red and blue triangles e The current value is shown by the black triangle e Tochange the font used by the meter press the Fonts button FlowScan O x File Help BR connected R Not Sampling Si Small ClearReset H Save B Print ER copy Fonts P Report r Signals to display ER Digital Meters i Linear Meters rel Properties Se Picts E Data Pdiff1 parz me ver Pdiff3 C Pabs Units msec B Temperature Stag Temp Color Lea style Lag D Relative Humidity Density Auto fit Pdiff1 P
15. Getting Started The FlowScan Suite This suite is composed of three main parts 1 FlowScan Application A stand alone application that can access the instrument and allows data logging and duct survey modes with access to Excel 2 FlowScan Add In An add in to Excel that reads the instrument and transfers the data to the current Excel worksheet 3 FlowLink Libraries A set of libraries that allow a user to access the instrument through popular programming languages Manometer Layout The main components of the FlowKinetics manometer that are referenced in this manual are shown below Pressure Ports LCD Screen Controls WM Battery Compartment Eu INI i U l In j 9 f Relative Humidity Sensor Pitot Probe optional Temperature sensor eS S K Type thermocouple Silicone Tubing FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Requirements FKT Series instrument Microsoft Windows 95 or later Intel 486 class or later processor Microsoft Excel 97 or later for spreadsheet sessions and Add In Video capable of at least 800x600 resolution A serial port with a 9 pin connector capable of 19200bps or a USB port and an adapter USBA and USBA2 adapters are available at our site Programming language capable of accessing 32 bit libraries to create applications that use the FlowLink library A properly inst
16. SW Dis Display adapters Device Manager D Floppy disk controllers Hard disk contolers Keyboard w Monitor File Action View Help BD Nowe e imsema Network adapters GRO Device Manager PAA BNO 0 Other devices By NALEBQYBO6CSDZ d Ports COM amp LPT 9 Batteries amp Communications Port COM1 Z Computer d Communications Port COM2 lt Disk drives of Printer Port LPT1 72 Display adapters amp SCSI controllers w DVD CD ROM drives K Cake leanne me 3 Floppy disk controllers Properties Refresh Remove Print C Floppy disk drives 29 Human Interface Devices IDE ATAATAPI controllers Cancel gt Keyboards T Mice and other pointing devices COM Port Number 1 7 Hi Network adapters a AF Port a Lo ts COM K LPT J Communications Port COM1 COM Port Number 4 29 Communications Port COM2 Printer Port HP COM Port Number 2 Gas properties FlowScan needs to know what type of gas it is being used The default values listed are for air Pitot Tube Correction If a Pitot tube is used to determine flow velocity its correction factor must be entered here It is usually 1 0 but the vendor or manufacturer of the Pitot provides you with this value Override Instrument Readings Sometimes it is required to measure flow where the flow conditions are outside of the range of the built in temperature humidity and absolute pressure sensors This se
17. a Mel m sec 200 20 S ba IER O 1 wel Fixed min HU max 120 L Vel3 Time Axis Properties Tite Time Units seconds N l Auto fit Fixed from F 00 to fi 00 Fixed Window fi 00 wide Arrangement Layered Plot Vertical Axis Tiled Title ES e Layered Auto fit D Grid ines Fixed Min Max fico Startup Exit lt lt Back Connected Using COM port 4 Time elapsed 26 213 sec Autosave enabled 17 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Storing the signal Signals to display l FlowScan displays and Fam stores only the signals that a deck are checked on the Signals C Pabs to display box At startup L Temperature none of the signals are I Stag Temp checked and the meters are empty Relative Humidity To store the signals toggle the Not Sampling Sampling button The Plot and Data tabs as well as the Excel workbook will fill with the data as it is recorded Pressing the button again will stop the sampling If triggering is enabled and sampling has been toggled while the meter is off FlowScan will wait for the meter to start sending data After a few seconds the bottom status panel will turn yellow as a visual aid To start collecting data turn the meter on and after it is initialized FlowScan will start receiving the data The status panel will turn green to i
18. alled PDF reader for the help file if installing FlowScan in Windows 95 98 NT ME or 2000 Installation 1 Make sure that all previous versions of FlowScan are uninstalled 2 Close all running applications 3 Insert the FlowScan CD in the drive and the installation should start automatically If the installation does not start automatically then open the disk and run the file setup exe 4 Follow the instructions on the installation routine You can install three components FlowScan Application FlowScan Add In for Excel or the FlowLink Libraries 5 If you are installing the FlowScan Add In for Excel and have Windows Data Execution Prevention DEP active for all programs please disable it while this installation runs DEP is usually inactive for all programs by default 6 During the installation of the FlowScan Add In Excel will start and will ask you if you want to run macros Select Yes since macros are needed for the proper installation and removal of this Add In Once the Add In installs it will close Excel 7 If you ordered the USB to serial adapter Part USBA or USBAZ2 install the driver for the version of Windows that you are using The USBA driver is in the small CD that was included alongside the FlowScan disk It is also available in the FlowScan disk under the drivers directory Select the folder that matches the adapter you have and the windows version you use You can also download the driver from our site www flowkin
19. ally open it If Excel is running with the workbook loaded it will use it as is If Excel or the workbook are not found then the Excel connection is disabled When you close FlowScan Excel will stay open with the workbook loaded When the workbook is loaded the selected sheet will be active and the starting cell will be selected FlowScan will stay on top of all windows as long as the Excel connection is active A Do not edit the Excel worksheet while FlowScan is filling it with data Doing so will result in an error and data loss 14 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Monitoring the signal Signals to display FlowScan displays and stores only the signals that are checked on the Signals to display box At startup none of the signals are checked and the meters are empty Make sure the instrument is running if triggering is disabled A button on the top left will toggle the connection with the manometer It will display Connected or Disconnected toggle it to Connected to establish a link between FlowScan and the instrument and start monitoring the signals If the instrument is set to very high damping it may take a few seconds to establish a connection While triggering is disabled If the instrument is not sending information to the computer FlowScan will time out after 60 seconds and disable the connection This usually happens because the instrument if swi
20. ction allows you to override these values with your own measurements Velocity and density values will be corrected accordingly 11 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Lag Correction This correction is needed to account for the length and diameter of the tubing connecting the instrument to a time varying pressure Generally for short sections of tubing these values would be zero but they become significant as the distance and tubing size are increased There are separate parameters for the differential pressure 1 and the absolute pressure in case they are connected differently Usually these parameters are provided with your instrument if the setup ordered may experience any lag Data Logging Data logging allows the user to collect the following properties e Differential pressure 1 e Differential pressure 2 FKT2DP1A C and FKT3DP1A e Differential pressure 3 FKT3DP1A e Absolute pressure e Stagnation or total temperature e Static temperature valid if a Pitot is connected with high speed flows e Humidity e Density e Velocity 1 Quick Flow Rate 1 e Velocity 2 Quick Flow Rate 2 FKT2DP1A C and FKT3DP1A e Velocity 3 Quick Flow Rate 3 FKT3DP1A Differential pressures are recorded using the supplied tubing For manometers with less than three differential pressure transducers the readings will be set to zero by FlowScan Total temperature and relative humidity are acquired using th
21. e attached sensors Static temperature is applicable when a Pitot is used with the instrument and this temperature is corrected as the flow speed is increased The static temperature is calculated using the total temperature and the velocity from the highest differential pressure reading For accurate measurements the tip of the thermocouple should be exposed to the flow directly so it can measure the total or stagnation temperature The velocity is acquired using an optional Pitot probe connected to the differential pressure ports on the manometer The velocities are calculated using the gas properties pressure signals and the density 12 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC The density is calculated using the gas properties the static temperature absolute pressure and relative humidity Please refer to the manometer manual for details on how to setup and use its pressure temperature and humidity sensors Data Logging Options Logging options e FlowScan can sample continuously or for a determined number of times e Setting the number of readings to one will make FlowScan act as in single sample mode e Entering a sampling interval of zero will force FlowScan to read the data from the instrument as fast as possible e lf the instrument has damping active the sampling interval will need to be larger to account for the time the instrument needs to calculate the damped values e By enabling tr
22. een below is displayed FlowScan jo x File Help Welcome to FlowScan Te FlowKinetics te ees Se T the press This application will allow you to use the FKT to log values such as pressure eel the pressure and temperature or to perform velocity surveys of ducts Select below what mode of operation you want to use and then click on continue e Collect temperature relative humidity density absolute pressure and differential pressure or velocity from a pressi connected to any of the FKT ports This option also allows you to plot and tabulate the data in real time D Perform a survey of a rectangular or round duct This option will allow you to collect the needed information step b end of the process mass flow rate and volumetric flow rate are calculated The data collected during the survey is ao The flow of the program is controlled by the lt lt Back and Continue gt gt buttons at the bottom of the FlowScan window FlowScan works in a step by step process FlowScan will ask questions as it prepares the manometer for the different modes of operation as the user clicks on the Continue gt gt button The lt lt Back button allows the user to change previously entered parameters Repeatedly using the lt lt Back button will take the user to the FlowScan startup screen Pressing the Startup button will take the user directly to the Startup screen You can press Exit or press Ctrl X to quit FlowScan The bottom
23. ers Be Plots Data Seann display ven Properties T Reading No Time seconds Jam Pa ven m sec parz me vet _ Paiff3 0 0 7 0 33 bake units msec B 2 0 707 0 1 0 32 O Temperature z 3 1 416 0 0 0 22 _ Stag Temp color BB styie Lag D 4 2 125 0 0 0 19 Relative Humidity Density Auto fit SE Ae DEI PS PS 6 3 539 0 0 0 24 O 1 wel Fixed min HU Max 120 7 4 244 0 0 0 24 LJ el3 9 8 4 951 0 0 0416 Time Axis Properties 9 5 66 0 0 0 26 H me ne 10 6 369 D 012 11 7 07 0 0 0 22 units Seconds 2 12 7 779 0 1 0 34 13 8 488 0 0 018 O Auto ft 14 9195 0 0 019 Fixed from F 00 to fi 00 15 99 0 0 0 28 16 10 605 0 0 027 Fixed Window fi o0 wide 1r 11 312 00 0 16 Arrangement rLayered Plot Vertical Axis 18 12 017 0 0 0 19 Tiled sda Eed SSCS 19 12 722 0 2 0 56 OL d e ayere 20 13 431 01 0 34 y Auto fit 21 14 138 0 0 0 21 O Fixed Min fp Max bo 22 14 845 0 0 0 17 15 554 0 33 Connected Using COM port 4 Time elapsed 2163 841 sec Autosave enabled As with the plots and meters you can use the panel on the right to control the signal names and units Select the signal that you want to edit before changing the values below signal name Properties 21 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Title Besides the plots the title field is also used as the name of the signal column on the data table Units The units that the signal uses can be changed here The data will be au
24. etics com After the driver is installed plug in 9 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC the USBA or USBA2 adapter into the computer and windows should recognize it automatically Once FlowScan is installed connect the manometer port to the computer serial port or USB adapter using the supplied cable Turn on the manometer and run the desired program After the installation the FlowScan Application can be started from the desktop the start menu or the Quick Launch toolbar Depending on the installation options The FlowScan Add In can be started from within Excel from the new toolbar added during installation The FlowLink libraries and manuals are available in several directories that can be accessed from the FlowKinetics entry in the Start menu 10 To display the PDF help file in operating systems older than Windows XP please make sure that a PDF reader is installed and running properly For newer versions of Windows FlowScan comes with a stand alone PDF reader to display its help file 11 If you have any other software or instrument driver that utilizes the serial port please disable it before using FlowScan to avoid hardware conflicts A Turn off the instrument before connecting or disconnecting the serial cable FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC FlowScan Application Startup Screen Elements When FlowScan starts the scr
25. fined to a window in which the left edge will be the latest signal data Layered Plot Vertical Axis If the plots are arranged in a layered style e Title the name of the vertical axis title of the plots if they are displayed layered The legend will show the individual signal titles e Auto Fit The vertical axis will automatically fit all the signals e Fixed The vertical axis will be confined to the range min to max for all the signals 20 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Data e You can view the stored data in this tab as a table e To change the font used by the table press the Fonts button e Press Save to store the data table in any of these three ASCII formats Space Delimited Text txt Tab Delimited Text prn or Comma Delimited Text csv e Press Copy to send the data table to the clipboard formatted in columns so that it can be pasted onto applications ready for printing The fonts used control the size of the copied table e Press Print to send the data table to the printer formatted in columns and aligned to the top of the page The fonts used control the size of the printed table FlowScan Bisi PH File Help BR connected BR Not Sampling E Smal ClearReset Kl Save Print Copy Forts Report ER Digital Meters 3 Linear Met
26. he number of readings to one will make FlowScan act as in single sample mode Entering a sampling interval of zero will force FlowScan to read the data from the instrument as fast as possible e If the instrument has damping active the sampling interval will need to be larger to account for the time the instrument needs to calculate the damped values 32 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC FlowLink library You can read the FKT data by writing your own programs and using the acquisition functions available in the included flowlink dll library The flowlink dll file should have been placed in the windows system Win9X WinME or windows system32 WinNT Win2000 WinXP Vista 7 or 8 folders during installation of FlowScan If you want to transfer any of your applications that access the instrument to another computer make sure you transfer flowlink dll also Available FlowLink Library Functions Function FKTopenport BOOL FKTopenport port Purpose Opens the serial port connected to the FKT Must be called before any reading operations are performed Returns a Boolean indicating TRUE if port successfully opened and FALSE otherwise Parameters port 32bit signed integer indicates the serial COM port number to open Port 1 for COM port 1 and so on Function FKTcloseport BOOL FKTcloseport Purpose Closes the serial port connected to the FKT Must be called after the acquisition
27. he options below and press Continue gt gt Serial Port Serial Port Gas Properties Ratio of specific heats Cy ha 11t018 Gas molecular weight M aans gnol mPitot tube correction factor if present han 0 80 to 1 20 Override Instrument Readings T Temperature Bn P Ret Humidty bn kk boss IT Abs Pressure Set Standard Conditions rLag correction Lag parameter for diff pressure 1 poo sec Lag parameter for abs press bon sec Startup Exit lt lt Back FlowScan needs the serial port or COM port number that the computer is using to communicate with the manometer The port number can be found by going to Control 10 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Panel gt System Properties gt Device Manager Device managers for different versions of Windows are shown below Windows 95 98 Windows 2000 XP Windows Vista 7 8 System Properties System Properties 2lsl P System l OO Bisa RT General Device Manager Hardware Profiles Performance System Restore Automatic Updates penas JO H a General Computer Name Hardware Advanced Control Panel Home View devices by type View devices by connection Device Manager mu Device Manager The Device Manager lists all the hardware devices installed E on your computer Use the Device Manager to change the properties of any device
28. i velocity 3 m s temperature static deg C This SubVI returns the FKT values every time it is executed Inputs Com Port 132 Selects the serial port used with the FKT Defaults to 1 COM port 1 Pdiff Lang Corr DBL Lag parameter in seconds for the differential pressure Defaults to 0 0 Pabs Lag Corr DBL Lag parameter in seconds for the absolute pressure Defaults to 0 0 Ratio of spec heats DBL Also known as y Defaults to 1 4 Molecular weight DBL Molecular weight of the gas in g mol Defaults to air M 28 966g mol Close port after read TF A flag that will close the serial port after reading the last data set from the FKT Important Defaults to false but must be set to true before the calling VI is closed The port is automatically opened with the first call to FKTreadport vi Outputs Time DBL current time in seconds from the FKT If the connection to the meter is lost then this value will not change in consecutive readings All other values below will be set to zero in case the meter connection is lost Temperature stag DBL Stagnation temperature in deg Celsius Density DBL gas density in kg m 36 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Diff pressure 1 to 3 DBL Differential pressures in Pascals If FKT only has one differential pressure transducer then pressures 2 and 3 will be zero Velocity 1 to 3 DBL Velocity in m sec determined from the
29. iggering FlowScan can be set to start collecting data when the meter is turned on Also if FlowScan is collecting data and the meter is turned off it will wait until the meter is turned on again to keep collecting the data If triggering is disabled then FlowScan will time out if the meter does not send any data within 60 seconds of connecting While triggering is enabled the sampling interval should be kept within less than one hour Sampling options e For each sample FlowScan can take several readings e f you want the readings averaged and saved as a single value then check Average The time stamp for averaged samples is the average time of the readings per sample So if two readings are taken for a sample at t 1 and t 3 seconds then the averaged time stamp for the sample is at t 2 seconds e f Average is not used then the values are stored as a group In this case each reading has its own time stamp as obtained from the instrument Autosave options To avoid loss of data in case of computer failure the autosave option is on by default This will save an ASCII file with the stored data to disk at intervals selected by the user Quick Flow Rate Settings The velocity can be displayed as a flow rate estimate based on the duct cross sectional area This is useful if a full flow survey is not possible The flow rate accurate within 5 is estimated by 0 9xVelocityxArea where the velocity is measured at the center of the duct This estimate
30. ing Guide 2002 2014 FlowKinetics LLC Round Duct Velocity Grid After setting up the round duct properties FlowScan will display a cross section of the duct with the positions at which the Pitot probe should be placed to record the velocities for the survey Round ducts have 2xn points on their survey grid The Pitot is first traversed horizontally from left to right and then vertically from bottom to top A sample of how FlowScan shows a round duct is shown below FlowScan Oy x File Help BE Duct Grid E Survey Data Point already recorded Point being recorded M Point not yet ded 0 96 oint not yet recorde rMove Pitot to 0 85 x 0 50m 0 70m Duct Wall rCurrent Veloen 0 70 Current survey S A 29lmiser e position 0 50 r volumetric Flow Rate Survey incomplete Mass Flow Rate 0 30 Survey incomplete RIZ Read Value ins Ge lt lt Prev Point Next Point gt 0 04 S Disconnect Cancel survey 0 04 0 15 0 85 0 96 gt ml Connected Ready for data 26 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Performing Survey To perform the survey the user must place the tip of the Pitot probe at the grid locations and record the local velocity Before a traverse is conducted it is necessary to select a suitable location to perform the survey If possible avoid traverses close to fans dampers pipe be
31. ing the values below Arrangement e Tiled The plots will automatically tile horizontally 19 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC e Layered The plots will be drawn on top of each other and a legend will be placed to the right of the plot if more than one signal is plotted e Grid Lines toggles grid lines on all the visible plots Spacing is automatic signal name Properties e Title the name of the signal and on the vertical axis of the plots if they are displayed tiled If the plots are layered the legend will show the titles e Units The units that the signal uses can be changed here The units name will be appended to the title in the plot axis if they are tiled e Color This is the line color for the signal e Style This is the line style for the signal e Auto Fit If the plots are tiled the vertical axis will automatically fit the signal e Fixed If the plots are tiled the vertical axis for this signal will be confined to the range min to max Time Axis Properties e Title the name of the horizontal axis of the plots tiled or layered e Units The time units are common for all signals The units name will be appended to the title in the plot axis tiled or layered e Auto Fit The time axis will automatically fit all the signals e Fixed The time axis range for all signals will be confined to the range min to max e Fixed Window The time axis range will be con
32. is used if any of the flow rate units is selected while displaying velocity values Excel Connection FlowScan can host a session with Excel to transfer data directly into a spreadsheet You can choose to create a new Excel file automatically or to use an existing file You 13 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC can also select the sheet number that you want to save data into The sheet number is the number of the workbook sheet counting from the left as it is shown in Excel You can also enter the starting top left cell where the data will be written The options are explained below Check Enable connection to activate the link between Excel and FlowScan For the link to work Excel must have run at least once after its installation so that it can initialize in Windows Include reading number writes this number as the first column in the data Include time writes time as the second column using the current time units Include headers will add a top header with the name and units for each reading To auto increment the position of the insertion cell in the spreadsheet check Auto increment row after each sample If this option is disabled the value will be overwritten When you press Continue gt gt FlowScan connects to Excel and behaves as follows If Excel is not running then FlowScan will start Excel and open the workbook If Excel is running but the workbook is not loaded Excel will automatic
33. ndicate data acquisition To pause the data acquisition just turn the meter off and the status panel turns yellow again To restart the acquisition turn the meter on again and after the initialization the status panel turns green The time gap between stopping and starting data acquisition is added to the time signal If triggering is disabled FlowScan will timeout if the meter does not send any data within 60 seconds of connecting When you start sampling data the time at the first reading is zero Pressing the Clear Reset button will erase all stored signals from the plot and data tabs This also resets the time signal so the next acquisition will start at zero Press Report to create an editable report that contains all the stored data Plots e This shows the stored samples for each signal as time history plots 18 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC e To change the font used by the plots and the legend press the Fonts button e By pressing Save the plots can be saved into three formats Windows Metafile wmf Windows Bitmap bmp or Windows Enhanced Metafile emf e Press Copy to send the plots to the clipboard in metafile format so that they can be easily pasted into word processors or presentation software e Press Print to send the plots to the printer as a full page using the aspect ratio of the plot window at the time of printing e To zoom the plot draw a rectangle
34. nds expansions etc Try to survey at least 8 duct diameters downstream of the aforementioned elements and 2 duct diameters upstream of these elements On rectangular ducts the survey grid must be scanned in rows from bottom to top On round ducts the survey is scanned first horizontally from left to right and then from bottom to top The position at which the Pitot probe should be located is indicated on the right of the window This position is referenced to the blue axis shown on the grid The velocity measured by the Pitot probe is monitored continuously A survey proceeds as follows 1 At the selected survey location drill two perpendicular holes in the duct for a round duct or the desired number of holes for a rectangular duct as shown in FlowScan ensuring sufficient hole clearance to safely insert the Pitot Static tube 2 Partially insert the temperature RH sensor in an additional hole located close to the previously drilled holes 3 Connect the Pitot static and stagnation lines to the P and P barbs of a differential port on the manometer Also connect the manometer Pabs port to the static Pitot tube port using a T barb 4 Start FlowScan and setup the duct as desired Then FlowScan will connect to the meter and start monitoring the velocity on the port you selected 5 Carefully insert the Pitot Static tube into the duct and position at the first grid location Ensure that the Pitot Static tube is aligned with the axis of
35. parameter is a correction needed to account for the length and diameter of the tubing connecting the instrument to a time varying pressure Generally for short sections of tubing these values would be zero but they become significant as the distance and tubing size are increased There are separate parameters for the differential pressure 1 and the absolute pressure in case they are connected differently Usually these parameters are provided with your instrument if the ordered setup may experience any lag 31 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC If a Pitot tube is used to determine flow velocity the Pitot correction factor must be entered here It is usually 1 0 but the vendor or manufacturer of the Pitot provides you with this value Override Instrument Readings Sometimes it is required to measure flow where the flow conditions are outside of the range of the built in temperature humidity and absolute pressure sensors This section allows you to override these values with your own measurements Velocity and density values will be corrected accordingly in FlowScan Layout Select the units for pressure temperature and density that will be used when the Add In writes the data in the cells If you want to include velocity data put a checkmark on Display velocity and select the desired units Sampling e The FlowScan Add in can sample a set of readings for a determined number of times e Setting t
36. r of points n for the survey refers to the number of points along he diameter of the duct Since round ducts are scanned along two perpendicular diameters the total number of points for the round duct survey is 24 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Rectangular Duct Velocity Grid After setting up the rectangular duct properties FlowScan will display a cross section of the duct with the positions at which the Pitot probe should be placed to record the velocities for the survey As mentioned earlier for a rectangular duct the grid will contain nWxnH points The Pitot probe is traversed horizontally nH times starting at the bottom of the duct A sample of how FlowScan displays a rectangular duct is shown below The rectangular duct will be shown using the aspect ratio of the original duct so that the grid will be scaled properly on the screen FlowScan O x File Help Duct Grid Survey Data Point already recorded Point being recorded Y Im Point not yet recorded rove Pitot to 0 83 Current Velocity 41 misec e Current survey position 0 50 r Yolumetric Flow Rate Survey incomplete hass Flow Rate Survey incomplete CH O ri g In Read Value ins lt Prev Point Next Point gt S Disconnect Cancel survey Connected Ready for data 25 FlowScan User Manual and Programm
37. re and the velocity corresponding to the highest pressure reading Parameters gamma 64bit float ratio of specific heats 1 4 for air M 64bit float gas molec weight g mol M 28 966g mol for air lag1 64bit float diff pressure 1 lag parameter sec 0 if no lag lag2 64bit float absolute pressure lag parameter sec 0 if no lag Using the Library To use the available FlowLink functions in your program call FKTopenport once at the start of your program so that a connection with the instrument is established Then call 34 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC FKTreadportfull as many times as desired and then before your program ends it must call FKTcloseport to release the port The functions listed above are available for most programming languages that can interface with a standard Windows 32 bit DLL such as flowlink dll Below are the files specific to some common programming languages along with sample applications These are included with the full installation The functions have the same syntax in each language Borland C Builder Folder FlowKinetics FlowScan CBuilder Example project testProject1 bpr How to use Add FlowLinkInterface h and flowlink lib to a project to get access to the FKT If a new library is needed use implib with flowlink dll to create it Borland Delphi Folder FlowKinetics FlowScan Delphi Example project FlowLinkDLLDemo dpr How to use
38. roperties contained in Windows control panel as shown below Windows 95 98 Windows 2000 XP Windows Vista 7 8 System Properties System Properties ax E System T Pi System System KB Search Control Panel General Device Manager Hardware Profiles Performance System Restore Automatic Updates penas OO R lt L General Computer Name Hardware Advanced Control Panel Home View b View devices by connection Device Manager The Device Manager lists all the hardware devices installed E on your computer Use the Device Manager to change the Disk drives properties of any device Si Dis Sra adapters SS Floppy disk controllers Hard disk controllers L Device Manager JOS File Action View Help E S Network adapters gt HG SI a ey Other devices By NALEBQYBOGCSDZ E Ports COM amp LPT 9 Batteries d Communications Port COM1 d Computer d Communications Port COM2 lt Disk drives of Printer Port LPT1 72 Display adapters Z E E E Floppy disk controllers Properties Refresh Remove Print A Floppy disk drives Gy Human Interface Devices o IDE ATA ATAPI controllers Cancel gt Keyboards T Mice and other pointing devices 89 Network adapters ere COM Port Number 1 d Posts COM LPT 9 Communications Port COM1 COM Port Number 4 29 Communications Port COM2 W Printer Port PTI kl COM Port Number 2 Lag
39. status panel shows the sampling progress connection status port used time elapsed since the first sample and auto save information The File menu contains the print setup command and the Help menu contains a link to the help documentation and a FlowScan about box indicating version and contact information FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Data logging mode The manometer can be used to record tabulate and plot pressure from up to 4 sources depending on the manometer model Humidity and temperature can also be recorded simultaneously along with the pressure signals Besides pressure FlowScan can automatically determine velocity and flow rate approximations from the recorded pressures if a Pitot probe is used Duct survey mode Allows a user to acquire the volumetric and mass flow rate for a rectangular or circular duct FlowScan guides the user step by step on how to acquire needed velocity data and it does the calculations automatically at the end of the survey Setting up the system For each of the options selected in the startup screen the following options must be set FlowScan stores them at shutdown so the previously used options will be available These options are explained below e FlowScan File Help Setup FKT Instrument 1 Connect the FKT to a serial COM port in this computer 2 Turn the FKT ON and initialize it 3 Connect the FKT ports to the pressure sources 4 Edit t
40. tched off disconnected or not completely initialized If triggering is enabled and the meter is on FlowScan will behave as above If the meter is off then the status panel at the bottom of the screen will turn yellow and indicate that FlowScan is waiting for the meter to send data If you turn the meter on the status panel will turn green FlowScan can show two monitoring modes Digital and linear meters Plots and Data show the stored data only Pressing Clear Reset resets the min max and average values for each signal Digital Meters This shows the signal name units and current value It also stores the minimum maximum and average values for the signal for the time that FlowScan is connected to the instrument You can save the current meter readings by pressing the Save button You can also print the meter values using the Print button 15 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC e Tocopy the meter values into the clipboard press the Copy button e Tochange the font used by the meter press the Fonts button FlowScan iof x File Help BR connected S Not Sampling E Small Clear Reset Kl Save B Print ER copy A Fonts E P Report rSignals to display Me Properties GB Digital Meters l Linear Meters Plots a Data Pdiff1 rom tte ver _ Pdiff3 C Pabs Units msec B Temperature Stag Temp Color Style La
41. the duct using the alignment guide or static takeoff on the tube as a reference 6 Monitor the velocity on the right side of the FlowScan window and wait for it to stabilize If the readout continues to oscillate increase the damping DAMP on the manometer If the magnitude of the oscillations is greater than 25 then another measuring point should be considered as the results may not be representative 7 When stabilized record the velocity by pressing Read Value button or the insert key After the velocity at a point has been recorded you can press lt lt Prev Point or Next Point gt gt to revise any readings if desired As the data is recorded the grid points change color as follows Green The velocity at this point has been recorded Yellow The velocity at this point is being recorded Red The velocity at this point has not been recorded 27 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC 8 Move the Pitot Static tube to the next grid point and repeat steps 6 and 7 until the traverse is complete 9 Once the velocity values for the entire grid have been recorded the mass and volumetric flow rates are shown on the right side of the window These values will display Survey incomplete if the survey has not been finished To view detailed survey readings click on the Survey Data tab at the top of the window 10 If you want to stop the survey click on Disconnect Cancel Survey FlowScan will disconnect
42. tomatically scaled and the units name will be appended to the column title at the top of the table Time Axis Properties Title The title is used as the name of the horizontal axis of the plots tiled or layered Units The time units are common for all signals The units name will be appended to the title in the plot axis tiled or layered Excel workbook If you are running the Excel connection the cells will also start filling when you toggle Not Sampling Sampling If the Auto increment row after each sample option is enabled then every time FlowScan sends a value to spreadsheet the insert cell row position is increased by one FlowScan automatically displays on top when Excel is connected Toggle Small to decrease the size of FlowScan s window so you can use it easily on top of Excel as a signal monitor Pressing Clear Reset will force new numbers to be inserted at the top of the desired columns When you close FlowScan Excel will stay opened and with the workbook loaded 22 FlowScan User Manual and Programming Guide 2002 2014 FlowKinetics LLC Microsoft Excel Book LIG x IZ File Edit iew Insert Format Tools Data Window Help lax Deel A E S z A 23 ia o0 g Arial 10 18 z u ebe H TE TT D dl Reading No C e _ Reading N Time seccPdiffl Pa Vell m sec im 1 U U 0 11 2 0 709 Di 0 4 3 1
43. umetric flow rate i l E Microsoft Excel Bock 5 x File Edit iew Insert Format Tools Data Window Help l x Deg IR fe OL SLIM 100 10 B z u epes le S A Vol Flow Rate _ Mass Flow Rate Rectangular Duct Size 1 mx1 m Integration type Centroids of equal areas Pressure port used P1 Survey Date August 20 2012 Survey Time 2 45 17 PM 5 09 msec 6 09 kg sec No X ml Y mi Vel m sec Pdiff Pa Pabs Pa Temp Density kiRH 1 0 1 0 17 4 93 14 6 100783 7 21 1 196 25 6 2 0 5 0 17 497 14 8 100784 4 S 1 196 25 6 3 0 83 0 17 5 15 100783 4 21 1 1 196 25 6 4 0 17 0 5 5 05 15 3 100784 21 1 1 196 25 6 FlowScan jl File Help S Duct Grid E Survey Data E se B Prit EX Copy A Fort amp Report Position lnm 7 Temp C D Diff pressure Pa gt Density kg n D Abs pressure Pa D Velocity misec D X m Y m Ve m sec Pdiff Pa Pabs Pa Temp C Density kg m JRH C T Leon ve ses paepe Je eno ee ponot torn 0 17 0 17 14 6 100783 7 21 1 1 196 25 1 Point already recorded Point being recorded Point not yet recorded nits r Move Pitot to X 0 83m 083m Current Velocity 525 misec X l 2 0 50 0 17 4 97 148 1007844 211 1 196 251 3 0 83 0 17 5 15 1007834 211 14196 S WEE 7 L fe k 2 251 en
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