Manual-WinProbe Guid..
Contents
1. WinProbe Dynamax s Flow4 version 6 0 FLOW4 WinProbe Probel2 TDP 12 TDP30 AFMI TDP FIRR BUR WinProbe HI Probel2 WH JO GX TSCK EG ILES BH GWR DAETONHUIPRSHIJTA GEFs Flow4 Version 6 0 FJ TDP FE RAN XS DUNS RET ZR Thermal Dissipation Probe FH 2 Date 7 20 2004 Dynamax Inc WinProbe 1 0 2 0 2 1 JH WinProbe CD ZAKE WinProbe version 1 0 1 PC Windows 95 LAR 2 3MB RAM SMB 3 WinProbe windows Windows95 4 9 pin COMI COM2 WiO PITNA WinProbe CD CD WinProbe WinProbe WinProbe Before starting the installation process make sure you have the software serial number provided by Dynamax A serial number is required in order to install the software so have the serial number documented Insert WinProbe software CD provided along with the WinProbe in CD Drive Select CD Drive in the explorer window2. 13 Date 7 20 2004 Dynamax Inc WinProbe 1 0 5 0 Irrigation Setup Click on Irrigation tab control gt gt automatic irrigation icon to open automatic irrigation dialog box shown in fig 13 12 and fig 13 13 Select the type of irrigation Field or Green House or No Irrigation The dialog box changes according to the type of irrigation Field Irrigation If selected type of irrigation is field enter irrigation interval in the box select days or hours by clicking on the appropriate radio button Enter the irrigation start time and click on the radio button am or pm Enter plant density per hectare as shown in fig 13 13 Edit area of the field in hectares Enter efficiency evaporation percentages Automatic Irrigation Fi s C igati Green House Irrigation If selected type of Hp actis NIU MN irrigation 1S green house inque T das f hours enter irrigation interval in the box select days or hours by clicking on the appropriate tartat E o clock f am pm radio button No of Plants 1000 Enter the irrigation start time and click on the radio button am or pm mee ASSETS i i It Schedule Enter number of plants in the green house that is Efficiency x under test E vaparatian ra Area of the green house is set to hectare in green house mode Index values Enter efficiency evaporation percentages Field Index 40 00 Umen Stem or Leaf Index No Irrigation Follow same procedure as that of So
3. and the application SolCalTDP xcl The calculator is based on Flow4 solar calculator Format of the application 1s shown in the Table 8 1 for 12 TDP30 sensors The solar calculator application can be used to determine number of solar panels required and power ratings of each solar panel number of external batteries required with power ratings of each For the application in hand by taking I number and type of TDP sensors heater voltage of each probe number of Probel12 systems in use as inputs for the calculation number of radio modems powered by the solar panel Solar Panel Calculations Probel with Soil moisture sensor Power Each Sensor See insulation Chart Sensor Watts Oty Total W Volts Amps SH Examples anada DP 10 0 1250 0 00 20 0 00 DP 30 0 20033 2 40 3 0 0 80 DP 50 0 3220 0 00 5 0 0 00 DP 80 050 0 0 00 7 5 0 00 DP 100 044 0 0 00 8 0 0 00 System Power 1209 1 20 60 0 10 IR adi o Max Stream900 1 80 0 0 00 90 0 0 Total 13 3 6 0 90 Sum all sensors Total Amps 0 90 A mp Safety Factor 20 X12 1 08 mp 24 Hr Consumption X24 Hr 25 92 AHrs Consumption w Power Down X15 Hr 16 20 AHrs Enter Equivalent Sun Hours ESH 5 5 18 Array Current Required 24 H Oper Backup Battery 10 3 24 Array Current Required 15 Hr Oper Battery Amperage 90 Solar Panel Type Regired 24Hr 5 18 Quantity of Solar Panels Required 1 44 Quantity of 90 Ahr Batteries Need ed 2 9 Solar Panel Type Required 15Hr 324 Quantity of 90 Ahr Batteries
4. allinstaled components the Add Remove programs dialog box of the control panel Cancel Figure 2 2 WinProbe Installation 4 Date 7 20 2004 Dynamax Inc WinProbe 1 0 3 0 WinProbe Stations Configuration Click on System Tab Add Station to open Setup stations dialog box Default selections are made in the dialog change the parameters as required Station name Setup 5tations COM port name Interface type Station Name COM Port name Flow4 System File HostID Probe 2 1 COM Use Default B RemotelD Communication Interface Host ID Remote ID Use Current Network RF RFR Module Add Network Madulet System file radio button D Cancel Select OK to add the station This will close the dialog box and new station appears in the station list box in System Tab as shown in the figure below To connect a station select station name from the list click on command button Connect If required program RF remote before hardware setup Once connection is established to logger Flow4 check the difference in clock between PC and Flow4 If the two clocks display a different time click on command button Set Current Time Now that connection and time are set all the data from Flow4 are on a real time local time Flow4 6 0 updates continuously with the current data from the Flow4 station Bl WinProbe Version 1 0 Probe1221 File Setup Plot Help Maint Flow Irrigation Logger System Syst
5. meter dialog box shown below s 2 Determine k factor for pipe and calculate clicks liter jo click sliter 3 Enter the clicks liter 4 Click OK confirm the changes by saying YES at the prompt i To 5 The amount of water flow is shown in liters in the dialog box Rain gauge setup Rain Gauge Xx Follow hardware connections described earlier to connect rain gauge to T external sensor cable of Flow4 Irrigation Tab control gt gt Rain gage icon to display the rain gage dialog box The amount of rainfall is displayed in mm of rain No software setup is required for rain gauge Irrigation valve setup Irrigation Tab control gt gt Irrigation valve icon to open the Irrigation valve control dialog box shown in the fig 10 10 To irrigate manually a known amount of water to the field enter number of liters or mm of water in the edit box Click on radio button OPEN which triggers the relay and open the irrigation valve Once the required amount of water is pumped the valve closes automatically Auxiliary Sensor External Sensor Irrigation Tab control gt gt Auxiliary sensor icon to open setup dialog aeren Riesa box for the auxiliary sensor og Enter multiplier offset and units in which the auxiliary sensor Constants walue rn hd ultipher Offset parameter is calculated Examples shown in the Table 10 2 are the constants for mineral soil Multiplier 0 0500 Multiplier 0 05 Offset 5 and Offset
6. 5 000 Units SM Click update constants to set the new parameters Click OK to close the dialog box Update Constants Units M 16 Date 7 20 2004 Dynamax Inc WinProbe 1 0 7 0 Logger Setup and Auto Retrieval Schedule Logger Setup Flow Irrigation Logger Click on Logger Tab Records Scanned Select Append Over write Radio button Click on Set Mode command button Set Mode Logger Mode f Wrap Around Set Made t Stop when full Setup Auto Retrieval Schedule Auto Retieval Schedule I Enable Retrieval Schedule Start Date Shark Time Nest Retrieval 1 14 2004 6 00 00 AM Days Hours days hh mm ss Retrieval Interval e Time ta Nest Follow the steps to setup Auto retrieval schedule Make sure Flow4 station is connected if not got to System Tab gt gt Station List gt gt Connect Select Logger file name Select Append overwrite It is recommended to use append Select Flow History file name Select append overwrite It is recommended to use append Select Use History file name Select append overwrite It is recommended to use append Select Start Date Time Enter Retrieval Interval days hours Enable the check box Enable Retrieval schedule 17 Date 7 20 2004 Dynamax Inc WinProbe 1 0 8 0 Solar panel power calculator Solar panel power calculator 1s an Excel spread sheet application provided with the WinProbe software Refer to the directory C Dynamax WinProbe
7. Dynamax Inc WinProbe 1 0 1 0 2 0 2 1 2 2 22 3 0 4 0 4 1 4 2 4 3 4 4 4 5 4 6 5 0 5 1 6 0 7 0 8 0 8 1 WINPROBE CD 3 j 3 Hv HEP WAIN PROBE zzvi eo iret coste dievu eesti elites dete PC INE bd ences 4 WINPROBE STATIONS Vi Ei eere erroe eere eee teens eene etae s tenes senes eene sene eaae 5 FLOW SCREEN ERROR RTT 6 PROBE12 SYSTEM 6 ERNMINAIECONNECINONS eei bed eee ed ue qe PROBE DATA XJ mI essct ito tian Lo a a Ll SAP 882 8 DATA NR Co CHARTING CONTRO a a en ssa one er mS eee Peo Ee AL C eve eT IRRIGATION SETUP mo ne ne Ula e RUN TE DUM Gri Ii obe o eher ene Perret ieneT DAP PEOW INDEXING natis ei Eel inthe meee Rep AME esd a EXTERNAL SENSORS SETUP eroe v OI PEPERIT 16 LOGGER SETUP AND AUTO RETRIEVAL SCHEDULE ee eee eene ee eene 17 SOLAR PANEL POWER CALCULATOR csssssssssccsssssssssscssssssssscesssssssescesssones 18 WIRING HARNESS Sissi en ste ciclo Pannen aloha tle ha ate eli esha eles etek dense alain WinProbe Version 1 0 Firmware TFW 1 0 Date 7 20 2004 1 Date 7 20 2004 Dynamax Inc WinProbe 1 0 1 0 WinProbe Probel2 TDP Probe12 X Probel2 IS Probel2 DL
8. Needed 1 8 Quantity of Solar Panels Required Table 1 Solar Calculator For Example in the above application example shown in the spreadsheet uses 1 Flow4 system 12 TDP30 with heater voltage 3 0 Volts Hence requires 1 MSX 53 solar panel and 2 90Ahr external Battery 18 Date 7 20 2004 Dynamax Inc WinProbe 1 0 8 1 Wiring harness Refer to the schematic solar panel external cable for connection between solar panel external battery and Flow4 Solar Panel wiring harness External Cable P N FL4 ESP Battery mu Solar Panel mn s Black 6 6 Pd Q Black 15 f Red 15 6 yJ Red 6 Male Spade X E T Wis Battery Um y ittm DC Female connector Flow4 Solar Input Solar panel regularly comes with 15 15AWG cable Figure 0 1 Solar panel wiring harness 19 Date 7 20 2004
9. OPs Last Updated O72 20 49 Stemindex StatusTDP FlawTDP IndexedFlaw LIMITS sq cm stat gm hr orb 20 00 LM 432 20 ob4 40 2 20 00 Ok 44077 881 54 3 20 00 Ok M 550 74 1101 48 4 20 00 LI M 133 24 gab 438 5 20 00 Ok 295 77 591 54 b 20 00 Ok 137 51 275 02 Status display Gage Status Description displayed on Dynagage status Description of the status and remedy the gauge icon Ok V VOTING Data from the TDP sensor is valid and is considered in calculating average sapflow or accumulate flow E lu VOTING Data from the TDP sensor is valid but is voted out Warm WARMUP TDP is in the pre warm up period during this time no auto zero is performed Sap flow set to zero during this time usually 60min is required Fault FAULTED TDP is either not connected properly or requires maintenance Loose cables or connectors can also cause a fault Lowe Met ERROR iene oo an overflow in the sap flow computation of nii el data EN FLOW Maximum flow indicates that temperature rise is too low less than 1 deg C at high flow rates Calculated flow is over the maximum usable sensor capability TDP cable is OFF or is not connected Also a bad connection in the heater wiring causes the off status 12 Date 7 20 2004 Dynamax Inc WinProbe 1 0 4 6 Charting Control The charting area in white background displays flow readings in real time plotting all four gages in colors that match the bar graphs or average flow history whe
10. To change the heater voltage press the command button Set Gage Volt that pops up eage voltage dialog box shown in fig 12 15 Now heater voltage to the dynagage can be adjusted turning the potentiometer knob Heater Voltage on the control panel of the Flow4 The continuous change in voltage 1s displayed on the gage voltage dialog box Click EXIT to close the gage voltage dialog box The new value of heater voltage is displayed next to the gage voltage Refer to the heater input voltage table for maximum minimum and typical values of voltages TDP type Size Power rating Heater Recommended Heater Resistance BM TDP10 26 Ohms TDP30 TDP50 TDPSO TDE100 Table 3 1 Recommended heater input voltage Read gauges Every Displays the interval in minutes at which gages are scanned The minimum interval is minute and it is recommended the scan interval be 30 minutes or 60 minutes Pre warm gauges for This is the warm up period for the gages during which heater voltage is applied and no zero ksh set is performed Warm up time of 30 minutes 1s recommended Auto Zero In order to perform auto zero and set new dTM value check the control box and enter the interval in multiples of days in the text box When selected Probel2 system performs auto zero between 2AM and 5AM and over writes the dTM value for each sensor with running average of the calculated dT Power Save This is an optional feature and recommended that sap flow mon
11. em Status System Voltage Clock Date Time OFF 8 12 30 pc 07 27 2004 20 40 Battery Remaining Bl Flow 07 1 3 2004 03 14 D o 5 00 7 Oe GOOD 100 139 Station Setup nee Update Remove Restore Defaults Simulate Only Modulett HostlD RiematelD Frobel 21 COM CABLE Auto Connect Prog AF Remote Prog AF Remote Remote Connect m HofStations 1 Selected Frobel2 1 C0M1 CABLE Frw 0 00 Mat Connected 5 Date 7 20 2004 Dynamax Inc WinProbe 1 0 4 0 Flow Screen Click on Flow Tab to display Flow screen shown in the figure 3 1 Flow screen contains Probel12 system setup TDP sensor setup Probe Thermocouple report and Plant sap flow report Click on the respective icon to view modify the settings Terminal diagram Plant data 1con Probel2 System Setup TDP Setup Probe data icon BI WinProbe Version 1 0 Probe 17 1 LIENS GTI rm S Flow Ifrigation ygger System Probel M e uH a a Tum UE ER Mrz C PORE HON TC Report Sap Flow Report 437 3 A37 3 515 1 fOr 2865 3 S706 00 0 0 0 0 0 0 0 0 0 0 Ok Ok W Ok V Ok H OV Ok V On Off Df Of Off Off 200 0 SapFlow g hr Real time Sapflow plot Click here for chart control dialog box Figure 3 1 Flow Screen 6 Date 7 20 2004 Dynamax Inc WinProbe 1 0 Probel 4 1 ProbeT2 System Dialog pp Click on Probel2 icon to open Probel2 System setup dialog shown below Setup parameters required for Probel2 s
12. itoring be turned off during night times when the flow rates are very low Text boxes next to Start and Stop display power save mode During power save mode heater voltage to the TDP is zero External sensors are monitored during power save The system will not perform the zero set during this time If auto Zero is chosen it will over ride the power save 8 Date 7 20 2004 Dynamax Inc WinProbe 1 0 42 TDP Setup Dialog Click on TDP setup icon to open TDP setup dialog shown below Select TDP type from the drop down list of TDP 10 TDP 30 TDP 50 TDP 80 TDP 100 Select number of TDP sensors connected from the drop down list Number of TDPs In the figure below TDP30 and 6 TDP sensors are selected Probe Setup TDP Type TDPH Ch TDP30 Humber of TOPs E LI qu cu ES T i nr3 e o e c ec cC m ll c o ce oC e cC p a c c L a c c Click on the column title Area dT Ml to fill with data from First row hal Ph e o e c e c IL e c c oc ce c n c c L e c c JI TL ALTI Cancel Enter Sapwood area in sq cm for each TDP sensor or probe In the demonstration Sapwood area 20 cm Enter dTM in deg C default or starting value for each TDP sensor or probe In the demonstration above dTM 10 deg C Refer to TDP User manual on determining Sapwood area 9 Date 7 20 2004 Dynamax Inc WinProbe 1 0 4 3 Terminal CONNECTIONS ccccccecncccnunccunnunene
13. n history plot is selected The chart area is marked horizontal scale in time and vertical scale in flow rate in g hr Maximum flow rate 1s same as the maximum for the bar graphs and is shown on the top right corner of the charting area The chart area 1s updated every scan interval Click on the charting area to open Charting control dialog and set charting options Arrows on the right of the charting area serve as scroll buttons Use the left pointing arrow to move the data to the left right pointing arrow to scroll the plot to the right Use the to zoom in the vertical axis scale an zoom out the vertical axes and reset to reset vertical scale to 100 g hr or 10mm Charting control dialog Charting control dialog has the information about horizontal scale vertical scale and real time history plot Vertical scale Flow Vertical scaling in Vertical Scale Plat Ela rams hour for the bar eraphs and flow plots for Flow hr E Jti aisi aa 7 P 100 Realtime History real time and history flow rates Depth 30 Vertical scale Depth Vertical scale in mm depth Wesce J for water use in real time and also for water use 14 days rain irrigation in history plot Cancel Horizontal Scale Number of days to display on the history chart has no effect on the real time plot Plot Flow Real time plot or History plot would be displayed in the charting area by clicking on the corresponding radio button
14. nenuununnnununensas Connections Terminal connections dialog displays terminal wiring for TDP type and number selected in TDP SEUP dialog box A default wiring using 8 cables for TDP 10 30 50 is assembled Refer to the terminal connections dialog for additional sensor types Click on Terminal Connections icon to open the dialog Shown in the figure below Terminal Connections TOP Type Number of TOPs ex 1 81A 2 HHA 3 H3 A Ref S1 Eer 2lR eh 3A ef H 1 TIH 2 H 3 H H 1 amp TIH S2 H 3H L H Sh 2 Sh 3 Sh 1 81 4 2 H2 A 3 A Re 1 Ret 2 Fet 3 Fet H 1 amp TIH 2 H 3 H H 1 81 H J amp 2IH amp 3 H Sh S2 Sh 25h 1 H 2 H2 A 3 H3 A Re 1 Ret 2lP ell 3 Fet H 1 amp TIH elH amp 3IH H 1 81 H J amp 2IH a H L AT Sh S2 Sh 3 Sh 1 1 A 2 H2 A 3 H3 Ref 1 Ret S2 Ret SES Ref H 1 HI H 2 H 3 H H 1 amp TIH S2 H amp 3 H H1 Sh E2 Sh 3 Sh Refer ta Probel2 system ar Manula for more datailed connection drawings 10 Date 7 20 2004 Dynamax Inc WinProbe 1 0 A xl i 4 4 Probe Data Dialog pp Wa Probe data dialog displays real time thermocouple voltage In mV and corresponding sapflow calculations Thermocouple status along with sapwood area and dTM Definition of status and possible remedy are given in the table below A demon
15. open the directory WinProbe V6 0 CD to view the setup files Click on Setup exe to initiate the installation wizard that will guide you through the installation steps At the prompt enter the 14 character software serial number provided by Dynamax WinProbe executable along with setup and data examples will be installed in directory C Dynamax WinProbe This location can be changed during the installation process on Choose destination Location panel After installation a short cut will be placed on the desktop as well as on the Start menu 2 2 Verify the Installation Verify the installation process by doing the following steps Open the directory C Dynamax WinProbe the directory or Path specified in the Change destination location dialog box during installation Make sure you find the WinProbe executable icon Wrprobeexe Verify the shortcut WinProbe V6 0 on the windows start menu programs Also verify for proper installation in the Control Panel click on the Add Remover programs which opens a dialog box as shown in the fig 7 1 scroll down to find the WinProbe executable 3 Date 7 20 2004 Dynamax Inc WinProbe 1 0 f Add or Remove Programs Currently installed programs Sort by IA SSS ae 7 Tac Change or Remove jS Darkorbit Size 1 36MB Programs WE DemoShield 6 5 Evaluation Edition Size 23 17MB d m DriverLINX Port I O Driver Size 0 33MB Add New ET Easy Internet Sign up Size 2 19MB F
16. rea from that specified in the TDP setup dialog and average them to obtain the average size plant The average size plant is taken as Field Index However the sample plants may be smaller or larger Field C Greenhouse C No rrigatien For Example Stem Index 1 20 0 Stem Index 2 20 0 Irrigate every 1 f das C hours Stem Index 3 20 0 Stem Index 4 20 0 pe NEN ieee Field Index 20 0 Plant density 1 HO per hectare Area 1 OU 00 hectares Alternatively to determine the average stem area 7 randomly pick 20 to 50 plants measure their stem Sis E Automatic Irrigation areas and average them Enter this average value Evaporation 10 in to the a Pe Index values For Example Stem Index 1 20 EE renee 40 00 Stem Index 2 20 0 Stem Index 3 20 0 stem or Leaf Index Stem Index 4 20 0 H 20 00 5 20 00 H3 Field Index 40 0 2000 un ENTM nao Leaf Area Index Method An alternate and 3 2000 7 ooo 1 fio accurate method of scaling can be achieved by talon 8 no s using the Leaf Area Index method Determine the LAI of each sample plant and the average LAI of the crop by randomly choosing 20 to 50 plants Cancel Refer to Flow4 6 0 User manual for a detailed discussion on Irrigation setup and control 15 Date 7 20 2004 Dynamax Inc WinProbe 1 0 6 0 External Sensors Setup Flow meter setup Water Meter 1 Irrigation Tab control gt gt flow meter icon to open the water 5 800 K liters
17. rograms BE DiagTools For Windows size 1 27MB i j Flow32 Size 0 81MB i Flow 0 79MB ddi Remove Windows Components To change this program ar remove it From your computer click change Remave jh emaster amp HemiView 32 HP Desktop Zoom isl HP Display Settings and HP Configuration InterFace js HP One Touch Buttons E HP Presentation Ready isl HP RecordMow Figure 2 1 WinProbe Installation 2 3 Uninstall Modify WinProbe In order to install or upgrade the software with new version click on the setup icon Stee to open the install shield wizard dialog as shown in the fig 7 2 In the popup dialog box select REMOVE or MODIFY The Install shield wizard will walk you through the Uninstall steps Do not delete the software executable directly as lt might corrupt the system windows system files botou M Jus Welcome Modify repair or remove the program Welcome to the Flow4 Setup Maintenance program This program lets you modify the current installation Click one of the options below Select new program components to add or select currently installed In the Welcome dialog select the appropriate action components to remove Select Modify for upgrading the software installed in C Repair the hard drive S elect Remove to uninstall the dp Reinstall all program components installed by the previous setup software completely from the hard drive Alternatively T user the Change Remove button next to WinProbe on F3 Remove
18. stration window is shown in figure below Click on TC Report icon to open this window Data in this window is updated every scan interval Window also displays the time of latest refresh Probe Data Window Humber of TOPs morso Bx Last Updated 07 27 20 49 the gauge icon LOU Non Data from the Thermocouple is valid Warm WARMUP Sensor is in the pre warm up period during this time no auto zero is performed Sap flow set to zero during this time usually 60min is required Fault FAULTED Sensor is either not connected properly or requires maintenance Loose cables or connectors can also cause a fault Err MATH ERROR Represents an overflow in the sap flow computation of thermocouple data Max MAX FLOW Maximum flow indicates that temperature rise is too low less than 1 deg C at high flow rates Calculated flow is over the maximum usable sensor capability Off OFF Sensor cable is OFF or is not connected Also a bad connection in the heater wiring causes the off status 11 Date 7 20 2004 Dynamax Inc WinProbe 1 0 4 5 Sap Flow Data Dialog pp METER Click on Sap Flow Report icon to open Sap Flow data Dialog Sap Flow data dialog displays real time sap flow of each TDP sap flow indexed to the field and TDP status Definition of status and possible remedy are given in the table below Data in this window is updated every scan interval Window also displays the time of latest refresh Sap Flow Data TOP Type Humber of T
19. weer 81 20 00 85 H3 Field irrigation In this case there is no automatic aout irrigation Only manual irrigation is possible in this 2 2000 6 2o00 10 setup 32000 7 foo 1 foo Automatic Irrigation For setting up automatic 4 2o00 88 Hz irrigation select Field or Green House from the Automatic irrigation dialog box and specify the Cancel irrigation interval and irrigation start time Enter the field parameters and enter OK Manual Irrigation For manual irrigation select No Irrigation option from the automatic irrigation dialog box Enter the field parameters and click OK This is also used for operating the FLOW4 in Data logger mode i e Flow4 DL option 14 Date 7 20 2004 Dynamax Inc WinProbe 1 0 5 1 Sap Flow Indexing Stem Leaf Index and Field Index Parameter Stem or leaf area indexes are used to scale the average sap flow from the individual gauges to the entire field Stem area index method uses the stem area sapwood area of each plant and average stem area sapwood area of all plants in the crop Leaf area index method uses LAI of individual plant and average LAI of all the plants in the crop Stem Area Sapwood area Index Method Enter the stem area for the sample plants and enter in to the stem area in the stem gauge setup dialog box for all the gauges in operation Then transfer this using Automatic Irrigation gt Index Values Transfer button Transfer button will obtain the stem a
20. ystem are explained below Enter values in the appropriate boxes and click OK to confirm settings Probe17 System Units Metric English Y Auto Zero Every 1 days Heater Voltage On C oy v Power save Heater Voltage su p on 2 071 m Set Gauge Volt Enc E am Head gauges every an minutes Fre warm gauges for 30 minutes Cancel Click on Flow4 icon to open Flow4 system dialog box The pop up dialog box is shown in the fig 12 2 The following information is required to setup a Flow4 system Units Select the system of units the input variables are assigned and results are required Choose Metric for cm gm etc or English for foot pound etc All scientific units such as Watts Volts and Ohms etc are an exception to this choice Heater Voltage This says whether heater voltage to the fem TEM dynagage is applied or not When Gage Heat is ON voltage controlled by potentiometer is Use 10 Turn resistor R101 to vary the heater power Htr V applied to the Dynagages By selecting Gage Heat OFF the voltage applied to the dynagage heater is zero in other words the gages are A215 V OFF and no valid data is obtained from the sap flow sensors Heater Voltage Figure 3 2 Heater Voltage Dialog box Displays current heater voltage 7 Date 7 20 2004 Dynamax Inc WinProbe 1 0 Set Heater Voltage to TDP Sensors Heater voltage In Volts applied to the dynagage heater coils This can be measured from test point TP4
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