Home

CalTool™ for RPTs - Pressure Calibration

1. RUN TOOLS 5 4 1 DISPLAY TOOLS 5 4 2 RUN WINDOWS ccccocccocccoccccccnccncaccnanonnnacc caro rana cnn nora cnn rara 5 5 1 DUT SETUP RUN WINDOW c omconicccoicccoccccacocinconaconancnnanconaconancnas 5 5 2 TEST DEFINITION RUN WINDOW 5 5 3 DATA GRID RUN WINDOW oooccnicccocccoocccanonanos 5 5 4 DATA PLOT RUN ne 5 5 5 DUT REFERENCE COMPARISON RUN WINDOW 5 5 6 DUT AND REFERENCE OUTPUT RUN WINDOWS 5 5 6 1 PG7000 RUN WINDOW 5 5 62 PPC RUN WINDOW Page i 2001 DH Instruments Inc DHi CalTool for RPTs User s Manual 6 SETUP MENU ie AE 6 1 OVERVIEW eege ee ee Seege NEE ee Ee 6 2 REFERENCE et eren ee eege Eege 63 0 nr Fearne tet Reb 6 3 1 CREATING TEST DEFINITIONS 6 3 2 EDITING TEST DEFINITIONS ccccccsssssseeeeeeeeessseeeeeeeeeeeees 6 3 3 TEST DEFINITION 55 60 6 3 4 TEST DEFINITION 6 34 22 POINTS TABLE 000000 e ace a ta aa eas E 6 3 4 9 Le MECH RRE 6 3 4 4 SEQUENCE TAB A A AS 0 94 6 6 374 TEST TAB dese ee 0 EN i 6 4 1 DUT INTERFACE 766 64 2 DUT SETU 6 4 2 1 molbox DUT SETUP 07101 5 1 6 5 6 6 OPTIONS EE 6 6 1 INITIALIZE TEST 6 6 2 RUN TEST 6 6 3 RUN TEST DISPLAY TAB 6 6 4 END TEST TAB 6 6 5 DATA FILE TAB 6 7 REMOTE COMMUNICATIONS Te RUNNING A TEST oi A cud A A TAD COVERVIEW EE T2 INITIALIZATION
2. In the lt Select Test gt window select the Test Definition that was created in Step 6 In the lt DUT Selection amp I O Setup gt window select the appropriate DUT type from the lt DUT Type gt dropdown list enter an identification value in the lt Identification gt field if desired select the interface type from the lt Interface Type gt dropdown list click on the lt Interface Settings field to change them if necessary Repeat for each DUT one row per DUT if testing more than one DUT at a time In the lt DUT Setup gt window enter or edit an lt Identification gt if desired specify the lt Calibration Range gt from the dropdown list edit the lt Calibration Range FS gt if necessary and click lt Use AutoZ gt to show an if you want the as received data to be taken with the DUT AutoZON Repeat for each DUT in a multi DUT test or press Copy Settings for all the DUTs to have the same range and AutoZ settings In the lt Reference Setup gt window edit the lt Pressure Range gt lt Piston Cylinder SN gt lt Mass Bell SN gt lt Mass Set SN gt and lt Piston Cylinder KN gt to describe the non DHI piston gauge These fields are simple labels that will be logged into the test Data File they do not affect operation In the lt User ID gt window identify the person running the test Follow the on screen prompts and instructions to run the test points see Section 7 3 O When the lt Test Complete gt
3. Page 36 CalTool for RPTs User s Manual H 6 3 4 2 POINTS TABLE The Test Definition Points table is used to define and display the pressure points piston cylinder changes and vent points that make up the test sequence Use the Insert button to add to the existing point sequence The purpose of the Points table s fields and settings as well as instructions on how to use them are provided in Table 8 6 normal test point sequence for the optimum calibration of 716 is 20 increments of the range being calibrated ascending and descending In a symmetrical ascending descending sequence CalTool automatically causes the maximum point to repeat This extra point is added to assure even weighting of points in subsequent calculation of calibration coefficients and should not be overridden by the user In absolute mode calibrations the low point should be the lowest point that can be conveniently set by the device being used as a pressure reference and preferably not more than 5 FS of the range being calibrated QA In gauge mode calibrations the low point in the sequence must be zero Points psi IS 1 vent 10 400 0 2 1200 0 11 200 0 3 400 0 12 JminP EC 13 4 600 0 14 5 800 0 15 6 1000 0 16 F 1000 0 17 8 800 0 18 3 600 0 13 P C 20 1 Figure 14 lt Test Definition Editor gt Points Table Page 37 2001 DH Instruments Inc H CalTool for
4. 1 2 3 4 5 Range FS Full scale pressure range value Range Unit Full scale pressure range units RPT Meas Mode 0 or 1 for absolute and gauge respectively This is the RPT s intrinsic measurement mode AXXXX absolute GXXXXX gauge it is not the measurement mode in which the test was run Cal Date Test range user calibration date PA Test range user pressure adder PM Test range user pressure multiplier ZNATERR Test range natural error ZOFFSET Test range ZOFFSET value Format DUT display resolution format e g 0 00 0 000 Page 87 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 26 Data File Header Format Continued SECTION DESCRIPTION Only Results Files res saved in the lt Data Manipulator gt have values logged in this section Date Files dat always display N A in all Results fields Includes information on the as left calibration coefficients determined by the lt Data Manipulator gt See Section 10 for information on how the results values are obtained The following information is logged in this section Cal Type Calibration type description e g factory user This field is for internal use only and not relevant to the typical CalTool user TypelD Numeric descriptor specifying the calibration type This field is for internal use only and not relevant to the typical CalTool user New PA As left result pr
5. The DUT pressure multiplier See Section 10 3 and the DUT s Operation and Maintenance Manual for calibration coefficient information The last calibration date for the selected DUT range The value always displays as YYYYMMDD January 15 2001 is 20010115 When manually setting up a DUT enter the value in this format The natural error from the last calibration See Section 10 4 and the DUT s Operation and Maintenance Manual for additional information Page 54 CalTool for RPTs User s Manual H Table 16 lt DUT Setup gt Form Fields Continued lt ZOFFSET The calibration offset determined after the last Autoz When setting up a manual Starting DUT the value entered must be the ZOFFSET value read at the beginning of a ZOFFSET gt test See Section 10 4 and the DUT s Operation and Maintenance Manual for conditional additional information on AutoZ and ZOFFSET numeric entry field lt Use AutoZ gt Checkbox that is checked when the DUT AutoZ is ON and not checked when the heck b DUT AutoZ is turned OFF See the DUT s Operation and Maintenance Manual check box for additional information concerning Autoz Activate Used to activate edits made to lt User Calibration gt information Changes action button titing lt User Calibration gt coefficients will alter the calibration of the device Do not edit and activate calibration coefficients unless you are thoroughly familiar with their purp
6. Then use File Save Report and or Print Report if desired see Section 9 2 1 CALIBRATING AN RPM3 PPC2 OR PPCK USING PREVIOUSLY ACQUIRED DATA NOT RUNNING A TEST REAL TIME To create a Data File that can be used by the CalTool Data Manipulator gt to calculate new calibration coefficients and predicted as left data follow the steps below This procedure is useful if another connect O Set you would like to use CalTool to process data that was taken on another system or at time whether or not the reference and DUT s used are available to remotely up the reference piston gauge using Setup Reference see Section 6 2 Create a new reference 8 Run the test using Run Manual Entry Test see Section 7 2 2 Fill out the lt Manual Test Setup gt form 2001 DH Instruments Inc n the lt DUT Selection amp I O Setup gt window select the appropriate DUT type from the lt DUT Type gt dropdown list enter an identification value in the lt Identification gt field if desired select the interface type from the lt Interface Type gt dropdown list click on the lt Interface Settings gt field to change them if necessary Repeat for each DUT one row per DUT if testing more than one DUT ata time If remote communications with the DUT are not active select lt Manual gt Page 12 CalTool for RPTs User s Manual DHi In the lt DUT Setup gt window enter or edit an lt Identification gt if d
7. as received and predicted as left data using the active Data File Press the Close View button to return to Lal normal operation This features allows a quick visual evaluation of the calibration results toolbar icon Print Plot Print the currently displayed plot or generate and print a plot using the active Data File The Print toolbar icon only prints plots when a plot is maximized in the Data Manipulator view toolbar icon Exit Close the lt Data Manipulator gt and return to the main CalTool program menu item 02001 DH Instruments Inc Page 98 CalTool for RPTs User s Manual H 9 2 2 CALIBRATION The lt Data Manipulator gt Calibration menu contains options to activate restore and view DUT calibration coefficients To operate all options require an active remote interface to the DUT that was used to generate the active test Data File When the lt Data Manipulator gt is accessed from the lt Test Complete gt option at the end of a test all remote DUTs will already have the proper interface setup so no extra steps are required to activate or view calibration coefficients When the Data Manipulate Data main program menu option is used to access the lt Data Manipulator gt the DUT type and interface must be selected on the lt DUT Interface Setup gt form see Section 6 4 1 Only when the remotely queried DUT serial number matches the serial number of the DUT in the test Dat
8. is logged in the test Data File for the point whenever a Not Ready condition occurred while averaging test data and the point was not repeated The options are e lt No Action gt An R displays in the lt Status gt column of a test Data File but there are no associated prompts or messages during the test The test continues normally lt Prompt to repeat gt A message allowing the point to be repeated or to continue with data collection displays if a Not Ready condition occurred A repeated point begins with the set pressure step of the test see Section 7 3 Do not use this selection when running automated tests as CalTool will wait indefinitely for a response to the prompt causing the test to hang Page 61 2001 DH Instruments Inc FEATURE CalTool for RPTs User s Manual Table 20 lt Options gt Run Test Tab Fields Continued DESCRIPTION lt If pressure Not Ready occurs while averaging gt dropdown selection list continued lt Default DUT Display Unit gt dropdown selection list lt Default DUT Type gt dropdown selection list lt Interface Type gt dropdown selection list lt IEEE 488 Address gt text entry field lt RS232 Settings gt 6 6 3 lt Auto repeat 3 times gt The test set pressure step is automatically repeated up to 3 times when a Not Ready condition occurs during averaging This selection is intended for use with fully automated pressure
9. td dt biie ira 104 Definition of PA and PM Equation Terms ooooococcccccconoconcconcnncnnnnononccnnnnnnnnnnn nn nn cnn nnn anar nn nnnnnnns 105 Changes to ZOFFSET and ZNATERR cnn r nano nn rr nan rca rnnnnncnrnnnnns 106 Predicted As Left DUT Results Equations nn nn nnnnnnnns 107 Miscellaneous CalTool Equations nn nn rn nnnnnnannnnnnnnnn 107 108 02001 DH Instruments Inc Page iv Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 Figure 33 Figure 34 Figure 35 CalTool for RPTs User s Manual FIGURES Maid Progran dd ota SE 16 MainiProgram Status Ba a cicle atlas 17 lt DUT Setup gt Run Window mn nnnnnnnrnnnnnnmnnnnnnnnnn 20 21 SIR 22 lt Data Plot gt RUN Window cceccccecccceeeeeeeceeceeeeeeeeeececeaeaeeeeeeesecsaaaeceeeeeeesecenceeeeeeeeeetensnaees 22 lt DUT Reference Comparison gt Run Window 23 lt PG7000 gt RUN WING OW deed ete ne eae ve id nes ade he nade aes learns 25 lt PPC gt WINJOW cintia eigene eenia 27 lt Setup References Eo e 30 SEdit References OM See Ee E aa 31 lt Test Definition Selector gt oooo
10. the value entered will be interpreted as a pressure in the pressure unit of the Test Definition If the point type is lt DUT Span gt the value entered will be used to calculate the leak test pressure from the DUT span of the first DUT setup when the test is run The leak rate is calculated in pressure unit per second following total pressure change during the leak test time divided by the leak test time in seconds If the calculated leak rate is greater than the lt Leak Rate Limit gt the leak test fails Page 48 CalTool for RPTs User s Manual H Table 13 lt Test Definition Editor gt Leak Test Tab Fields Continued lt Dwell gt Specifies the amount of time to wait after the pressure has been set before aborting pressure control and starting the leak test measurements A dwell delay improves the reliability of the leak test by allowing adiabatic effects to settle out prior to beginning the actual leak test numeric entry field lt Leak Test Defines the amount of time over which the leak testing measurements will be Time gt made The appropriate amount of time depends on the characteristics of the test system and the leak rate limit When setting the leak test time keep in mind that immediately after setting the leak test pressure the dissipation of adiabatic temperature changes and settling time of the test volume will give the appearance of a leak For this reason lt Dwell gt time should be used to allow t
11. Ref Prs KPa Prs ZFS Error zno Status ATM Amb ac Prs i 11033630 11031670 0 007 8 21 9001 96 6063 18525070 0 003 0 006 A 32 9001 96 5985 22067 530 0 002 3 44 0001 96 6032 27559 830 0 002 0 002 P 55 0001 96 6002 22068 490 0 001 0 001 P 44 0001 96 6021 16526 360 08 001 0 002 32 9001 96 5977 11033 090 0 002 0 005 21 9001 96 6019 5489 940 0 005 0 023 10 800 96 5 Foon ona 1 Figure 5 lt Data Grid gt Run Window 5 5 4 DATA PLOT RUN WINDOW When running a test the lt Data Plot gt run window can be used to display a real time DUTSpan error plot for any and all DUTs Use the dropdown menu at the top of the display to view data from a different DUT when running multiple DUTs S CG Graph Display Mode oDUTSpan Error vs Ref Pressure N920 LZ 4000 psi SN921 C2 4000 psi SN923 C2 4000 psi SN922 12 4000 psi 584917 C2 4000 psi 0 0100 SSS 0 0075 0 0050 0 0025 0 0000 0 0025 0 0050 0 0075 0 0100 hmt 1 Tr DUTSpan Error O shhh 5000 10000 15000 20000 25000 Ref Pressure kPa Figure 6 lt Data Plot gt Run Window 2001 DH Instruments Inc Page 22 CalTool for RPTs User s Manual H 5 5 5 DUT REFERENCE COMPARISON RUN WINDOW The lt DUT Reference Comparison gt run window contains a simple display of errors useful when comparing the DUT and reference The lt DUT Reference Comparison gt run window is considered t
12. View Test button to preview the Test Definition if desired see Section 5 5 2 If the lt Select Test Definition gt initialization option is not checked on the Options Initialize Test tab and a valid Test Definition has previously been selected this initialization step is skipped see Section 6 6 1 CalTool loads and verifies the pressure reference information If communications cannot be established with a pressure reference set up for remote communication an error occurs If the Test Definition specifies a reference that has been deleted or modified to be incompatible with the rest of the test an error is generated If the lt Verify Reference Serial Number gt test initialization option is selected on the Options Initialize Test tab a warning is generated if the serial number of a remote reference does not match the serial number of the reference specified in the Test Definition see Section 6 3 4 5 O Enter select the DUT type identification and communications settings on the gt Selection amp I O Setup gt window see Figure 31 By default the last selected DUT settings display Press the Clear All DUTs button to start over with new DUT selections or select a lt DUT Type gt and press the computer s Backspace key to remove the DUT from the setup Select the DUT type from the dropdown list in the lt DUT Type gt field Then enter the lt Identification gt if desired Select the lt Interface Type gt of t
13. in all supported DH Instruments products in which pressure transducers are used CalTool supports automation of the calibration process to the extent supported by the hardware available All the necessary tools required to set test pressures gather data calculate optimum calibration coefficients evaluate calibration results write new coefficients to the device under test and generate calibration reports are provided by CalTool CalTool maximizes automation when using DH Instruments calibration references but operation with any reference is supported wf is NOT intended to assist in using a DH Instruments calibration reference to calibrate non DH Instruments devices DHI s COMPASS series of calibration assistance software is offered to support using DHI references to calibrate non DHI devices Before using CalTool read and thoroughly familiarize yourself with the Calibration and Maintenance Section of the Operation and Maintenance Manual of the device you are calibrating Page 1 2001 DH Instruments Inc CalTool for RPTs User s Manual NOTES 02001 DH Instruments Inc Page 2 CalTool for RPTs User s Manual 2 GETTING STARTED 2 1 OVERVIEW This section explains how to install CalTool for RPTs on your computer and the necessary system requirements 2 2 SYSTEM REQUIREMENTS CalTool for RPTs is an application designed for Windows 32 bit operating systems As of the release of this manual these incl
14. t have to re select the port manually every time in the lt DUT Setup gt screen of test initialization Use Setup Options Run Test lt Default RS232 Port gt to edit the default RS232 port see Section 6 6 2 Add or remove a test point while editing a Test Definition In the Test Definition Points Table double click any test point to automatically remove it from the Points table All subsequent test points are shifted up To add a test point press the Insert button and select lt New Test Point gt from the popup menu Then drag the pencil icon to the point location to insert the new point Alternatively place the cursor in the desired field and press the computer s Insert key to avoid the drag and drop operation All test points will shift down leaving an opening to enter a new test point see Section 6 3 4 2 Change the resolution with which the reference and or DUT readings are displayed and recorded in the Data File DUT resolution and reference resolution are determined by the lt Pressure Display Resolution gt selection on the Test Definition Reference tab see Section 6 3 4 5 Set the pressure unit in which a test will be executed The pressure unit of measure is set in the Test Definition Sequence tab see Section 6 3 4 4 Troubleshoot communications with remote devices references or DUTs Use Setup Remote Communications see Section 6 6 to interface directly with the device send command stri
15. CalTool In this case the test needs to go through the full initialization process to reinitialize the changed devices Plot Test Data Used as a shortcut to immediately view plots using the data from the test that just completed This choice is functionally equivalent to exiting the test action button and selecting Data Plot Test Data see Section 8 5 1 Delete File Deletes all selected test Data Files action button Exit Test Exits the test The lt Test Complete gt pop up disappears and operation returns to the main menu and associated screen The current test Data Files remain active until another test is started action button Page 81 02001 DH Instruments Inc CalTool for RPTs User s Manual NOTES 02001 DH Instruments Inc Page 82 CalTool for RPTs User s Manual 8 DATA MENU 8 1 OVERVIEW This section describes CalTool functions related to selections in the Data menu and to test Data Files The topics describe how Data Files are stored named viewed and formatted Preferences related to the Data File can be changed using the Setup Options Data File tab see Section 6 6 5 The data acquisition step of running a test on a DUT generates a file dat in which all of the test parameters and results are logged This is a CalTool Data File The CalTool Data Manipulator gt manipulates the data in the Data File to calculate new DUT calibration coefficients and predicted
16. DH Instruments Inc Page 66 CalTool for RPTs User s Manual H Table 23 lt Options gt Data File Tab Fields Continued FEATURE DESCRIPTION lt Data file delimiter gt This preference sets the data delimiter for the data in test Data Files dat see Section 8 1 The choices are comma tab or semicolon The semicolon delimiter is the default The choice can be useful to assure compatibility when CalTool Data Files will be exported to another program The CalTool internal data and report functions automatically detect and handle which delimiter was used in the Data File so the choice can be changed occasionally without affecting CalTool operation dropdown selection list A Be sure that the selected delimiter is not used as a character in any entry field or file delimiting will be incorrect lt Root Data file Defines the root directory to use when creating new DUT based sub directory gt directories and copying Data Files The selected directory can be on a network or on an internal hard drive Any directory selection can be text entry field used provided there is enough room for the Test Data files to be stored and the location is not write protected Use the Browse button next to the entry field to select a new or existing directory using a directory browsing tool lt Major Data File CalTool generates default file names for the Data Files dat it directory named by gt creates when a test is run
17. File delimiter ID and the test date and time The delimiter ID is in the Data File 0 1 or 2 for semi colon comma or tab respectively The test date is always logged in YYYYMMDD format The test section of the Data File contains information related to the Test Definition settings see Section 6 3 N A is logged for fields that do not apply The following information is stored in the Data File Operator The test operator Label The Test Definition lt Record Label gt Avg Time Data acquisition averaging time specified in the Test Definition Dwell Time Dwell time specified in the Test Definition Stability Setting DUTSpan stability setting specified in the Test Definition Hold Setting Control hold limit specified in the Test Definition Target Limit Control target limit specified in the Test Definition Tolerance DUTSpan test tolerance specified in the Test Definition Controller The test pressure controller Manual DUT Reference specified in the Test Definition Control Mode The PPCx control mode Static or Dynamic specified in the Test Definition Auto Generate Yes No PG7000 reference auto generation status Auto Rotate Yes No PG7000 reference auto rotation status Points The number of test points specified in the Test Definition Num Cycles The number of test cycles specified in the Test Definition Measurement Mode Test pressure measurement mode specified in the Test Definition
18. Manipulator gt session as the one in which the data was activated Opening a new Data File or closing the lt Data Manipulator gt cancels the ability to restore Alternate means of restoring a calibration are using the DUT front panel or the Setup DUT function see Section 6 4 menu item View Calibration Displays the calibration information of the remotely enabled DUT This Coefficients option is functionally identical to the Data View Calibration Coefficients option in the main program menu see Section 8 5 2 menu item 9 2 3 DUT The lt Data Manipulator gt DUT menu and toolbar function select different test Data Files when multiple DUT files are available in the Data Manipulator following a multiple DUT test The menu option does nothing when there is only one test Data File available Running tests with multiple DUTs and accessing the Data Manipulator from the lt Test Complete gt dialogue see Section 7 4 is the only way to get multiple test Data Files into the Data Manipulator simultaneously 9 3 DATA MANIPULATOR DISPLAY The lt Data Manipulator gt display is divided into five main frames These are lt Reference gt Contains information on the reference used in the test from the Reference section of the Data File see Table 27 lt DUT gt Contains information on the DUT that was tested from the DUT section of the Data File see Table 27 If multiple DUTs were tested use the DUT
19. Predicted value at AXXXX 101 325 kPa Absolute Gauge OFF N A AXXXX p Absolute Gauge ON N A AXXXX Gauge Gauge OFF N A GXXXX 10 5 PREDICTING AS LEFT DUT RESULTS To predict the as left DUT results based on the new calibration coefficients the newly calculated PA and PM values see Section 10 3 are applied to the factory pressures see Section 10 2 This requires multiplying the factory pressure by PM and adding PA for each test point The predicted errors are determined by comparing the predicated as left pressures to the reference pressures taken during the test Table 36 describes the equations used for this process When determining predicted as left data for an absolute RPT calibrated in gauge measurement mode first the value of ZOFFSET must be removed then PA and PM appliea finally the value of ZOFFSET added back 02001 DH Instruments Inc Page 106 CalTool for RPTs User s Manual H Table 36 Predicted As Left DUT Results Equations RPT CALIBRATION EQUATION TO PREDICT AS LEFT DUT MEASUREMENT MEASUREMENT PRESSURE MODE MODE Absolute Absolute OFF or ON Absolute Gauge OFF P DUT P Fact P ZOFFSET JP M PA P ZOFFSET AXXXX A Absolute Gauge ON Pour ES Prare PM PA z Prare AXXXX P Tare T P ZOFFSET P ATMOFFSET Gauge Gauge OFF or ON 10 6 MISCELLANEOUS In addition to the specific calibration related calculations used by the lt Data Manipulat
20. RPTs User s Manual Table 8 lt Test Definition Editor gt Points Table Features FEATURE DESCRIPTION lt Point Type Indicates how the pressure point values in the Points table will be interpreted Indication gt when the test is run The choices are lt DUTSpan gt and lt Pressure Unit gt If label the indication is lt DUTSpan gt when the test is run the pressure points will be calculated from the first DUT s input span defined in the test initialization see Section 7 2 and Figure 32 Specifying points in lt DUTSpan gt is useful in setting up a common test procedure that runs the same point distribution for DUTs with different full scales When lt Pressure unit gt is selected each value in the table will be interpreted as a pressure value in the lt Pressure Unit gt specified on the Test Definition Sequence tab see Section 6 3 4 4 Insert Clicking Insert causes a pop up window to display with five separate options of functions that can be inserted into the lt Points gt table action button E press the lt Insert gt key of the computers keyboard while the cursor is on the desired point to directly modify that point This avoids the use of the drag and drop operation associated with the Insert button e Vent System changes the cursor into a vent icon that can be dropped onto the point at which the system pressure will be vented The text lt Vent gt will display preceding the selected poin
21. Section 8 5 Data Files can also be viewed using any text editor or spreadsheet application When Data View Data File is selected a standard Windows file browser appears with the default directory set to the root Data File directory see Section 8 3 Selecting a Data File causes that file to be opened and displayed in the CalTool lt Data Viewer gt screen The lt Data Viewer gt provides no formatting it only displays There are no options to edit and or save Data Files using this feature The name and directory path of the Data File currently being viewed are shown at the top of the window While viewing a Data File a toolbar on the top left of the display is available for new file selection printing and displaying the test data in a grid format The function of each toolbar option is described in Table 28 CalT ool for RPTs ver 1 00 DH Instruments 2001 0 20010316 16 20 02 Test Operator Label Avg Time Dwell Time Stability Setting Hold Setting arget Limit T olerance Controller Control Mode Matt D Low P oil Cal Gauge 8 30 001 005 0 0 005 DUT Dynamic No No 12 1 1 psi 0 00000 1 00g NO NA Reference Manufacturer Model Serial Number dentification Calibration Date Hange Mass Set Piston Cylinder K N Mass Bell DH Instruments PG7302 180 July 2001 N 4 2012 112 0 280 0 Dil cm 13 DUT Manufacturer Model Zeta Number Identification Soft Rev DUT Type Range Ranae ID Aange EG Range Unit Al e
22. The fully compensated PG7000 defined pressure in the unit of measure specified by the Test Definition This value only displays when the PG7000 s Ready criteria are satisfied lt Target Pressure gt The nominal pressure the PG7000 is setting This value can be entered when Automatic Pressure Generation is active The nominal mass load required to achieve the lt Pressure gt value kg Load gt lt True Mass Load gt The total true mass loaded to achieve the lt Pressure gt value kg Vacuum The output of the PG7601 or PG7607 vacuum reference sensor Pa Pressure gt The ambient temperature measured by the PG7000 C lt Ambient The ambient pressure measured by the PG7000 kPa Pressure gt lt Humidity gt The relative humidity measured by the PG7000 RH Automatic Toggles the use of the automatic pressure generation function of the Pressure PG7000 when available When turned ON the piston position dead band Generation Value must be entered Target pressures can then be set directly by entering the requested pressure into the lt Target Pressure gt field The Prs lt Nominal Mass Load gt value will display the required nominal mass to d achieve the requested pressure Automatic pressure generation capability must be set up on the PG7000 prior to running CalTool If the function is not set up no action occurs when this function is selected Toggle Auto Toggles the state of the optional PG7000 auto rotate
23. as left test data see Section 9 The original Data File information plus the information calculated by CalTool can be saved as a Results File res Results Files res can be selected in place of Data Files in all Data File related functions of CalTool When a Results File is selected for plotting both the as received and predicted as left data are plotted 8 2 DATA FILE CREATION At the beginning of running a test see Section 7 3 a Data File dat is created This file contains all the details on the test reference information DUT information test information and test data is logged to it as the test runs If a test is aborted before at least one test cycle is completed the Setup Options Data File tab setting see Section 6 6 5 determines whether CalTool queries the operator as to whether to keep or delete the partial Data File or if the Data File is automatically deleted Data Files with one or more complete test cycles are always saved 8 3 NAMING AND STORING DATA FILES Data files are named and stored automatically The default directory for CalTool Data Files is data DUTModel DUTSN dat The DUTModel and DUTSN sub directories are created automatically by CalTool using the DUT major and minor directory preferences selected on the Setup Options Data File tab see Section 6 6 5 The DUT based sub directories are automatically created by CalTool at the designated location This cre
24. direct access the various test conclusion options Operation continues to return to the lt Test Complete gt screen until lt Exit Test gt has been selected Table 25 lists the lt Test Complete gt options and explains their use Page 79 2001 DH Instruments Inc H CalTool for RPTs User s Manual Data File s Check Al Uncheck All MJ SN 122 EASOFTWARESCalT ool DataSPPC2 4 DH4344H1 2000_110_000 dat Y SN 705 EXSOFTWAREACalTooMDatahRPM3DH3234H1 300 psi_110_000 dat d Wiew Test Data Manipulate Data Re Run Test Plot Test Data Delete File Exit Test EH ESA E Figure 37 lt Test Complete gt Screen Plotting and viewing Data Files requires a Data File to be selected When multiple files are selected the first file selected is used in the requested operation Other operations work on all selected Data Files one at a time The Manipulate Data option always uses all Data Files regardless of the selection Table 25 lt Test Complete gt Screen Options FEATURE BUTTON DESCRIPTION lt Data File s gt Lists the Data Files that were created during the data acquisition step of the test Check boxes allow the Data Files to be selected for additional action using other features on the screen Check All Selects all available test Data Files ol Uncheck All Unchecks all available test Data Files Rename Used to override the default file name and directory f
25. each DUTSpan gt new DUT output Percent of span error is calculated following DUT Reference DUT span 100 see Section 10 6 5 5 6 DUT AND REFERENCE OUTPUT RUN WINDOWS Each reference or DUT that can be read remotely has an associated output run window Use the View Device Output toolbar function to view the desired output run window These displays are device specific to show relevant settings and real time information specific to one device at a time In some cases the device settings can be changed by using tools on the associated output window See Section 5 5 6 sub sections for information on CalTool DUT and reference output run windows 2 Refer to the instruments Operation and Maintenance Manual for complete information on all its functions and displays wii All output run windows display the model and serial number of the corresponding instrument in the window caption Use this information to distinguish multiple windows of the same type instrument Always use the tools on the run screen instead of the instrument front panel when running tests Front panel access can interfere with remote communications and interfere with CalTool program execution Use the run tools to change pressure and other test parameters as necessary when running a test If you must use the instrument front panel while a test is running use the Pause tool to suspend test execution and remote communications see Section 5 4 1 allowing acc
26. eco eege NEE EE 7 2 1 AUTOMATED TEST INITIALIZATION 7 2 2 MANUAL TEST INITIALIZATION ccoo Z DATAtACQUISITION 7 3 1 MANUAL ENTRY DATA ACQUISITION 7 4 TEST CONCLUSION 8 DATA MENU cias tala idas 6 1 OVERVIEW caia a inicias 8 2 DATA FILE CREATION 8 3 NAMING AND STORING DATA FILES oonnnnnninncncccccnnnnnnccccnnn rn nnnccnn ronca crec enana 8 4 DATA FILE 8 4 1 DATA FILE 8 5 VIEWING A DATA FILE 8 5 1 PLOTTING TEST DATA 8 5 2 VIEWING CALIBRATION COEFFICIENTS 9 DATA MANIPULATOR EEN 95 91 LOVER VIEW EE 9 2 MAIN MENU 924 EIDEL ansias 9 2 2 CALIBRATION 623 TOUR cent sete ert at a ince tere ad 9 3 DATA MANIPULATOR DISPLAY 100 2001 DH Instruments Inc Page ii 10 11 CalTool for RPTs User s Manual H CALCULATIONS iii o A O DA A RAS 101 A NN 101 10 2 DETERMINING FACTORY PRESSURE occiccccccnccccconcnncncninnonnnncnnn ronca cnn cnn enc rc rra 102 10 3 DETERMINING PA AND PMo cocccicconcccninccniccinnnnnnn rn 104 10 4 ZNATERR ZOFFSET 105 10 5 PREDICTING AS LEFT DUT RESULTS occnnnnnccicconcinccccnnncnncnnnnnannnncc cnn rre 106 10 6 MISCELLANEOUS lt ra KEE 17 GLOSSARY E 109 Page iii 02001 DH Instruments Inc Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 T
27. feature When turned Rotate on the PG7000 auto rotate function operates to rotate the piston at the appropriate time The displayed icon always represents what will occur if rm the icon is clicked Auto rotate should be turned OFF when the mass loading bell is not loaded If the PG7000 does not have the motorized rotation option this icon has no effect 2001 DH Instruments Inc Page 26 CalTool for RPTs User s Manual H Table 4 lt PG7000 gt Run Window Fields and Icons Continued LABEL ICON DESCRIPTION Rotate Equivalent to the PG7000 terminals momentary piston rotation key Engages motorized rotation when pressed release when not pressed This icon has no effect if the PG7000 is not equipped with the motorized rotation option Change Mass This function is the equivalent of the RES key on the PG7000 Terminal Loading Use the dropdown menu next to the icon to select the desired mass loading Resolution resolution Then press the icon to set the new resolution value The mass load for the next requested target pressure will be specified with the selected resolution Typical mass loading resolution used when calibrating X DH Instruments RPTs is 0 1 kg 100 g 5 5 6 2 PPC RUN WINDOW The lt PPC gt run window can be used not only to view the output of a specific DH Instruments PPC Pressure Controller Calibrator model but also to control the test pressure directly The windows toolbar icons are d
28. for the reference device from the dropdown lists and click lt OK gt when ready If the lt Remote Interface gt selection is IEEE 488 the lt IEEE 488 Address gt entry field is shown When creating a new Reference Definition the IEEE 488 address is set to the default address The address can be edited directly in the entry field Clicking on the Communications Test button causes CalTool to attempt to communicate with the reference device using the current device interface settings If communication with the device is successful a message confirming that the device was detected is displayed if communication cannot be established an error message is displayed Page 32 CalTool for RPTs User s Manual H 6 3 TEST Test Definitions are used to define specific test procedures including a sequence of pressure points and a large number of operational details A Test Definition is required for an automated test to be run Setup Test provides access to the lt Test Definition Editor gt When selected the last accessed Test Definition displays on the lt Test Definition Editor gt While in the Editor use the toolbar options to create edit view and delete Test Definitions see Section 6 3 4 1 Only one Test Definition can be edited at a time however other Definitions can be viewed prior to completing the changes The test scroll bar and the Test Definition Selector are available to make new test selections A flashing ind
29. for the specified lt Dwell Time gt 0 999 seconds When lt Dwell gt is set to lt Manual gt CalTool dwells at each test point until OK is clicked on the lt Continue Test gt pop up Dwell time is used to allow time to assure that the reference and DUT have settled at pressure before taking test data This feature can also be used to synchronize readings or to pause operation during pressure setting for example to make adjustments to the DUT Determines a fixed or user selectable time over which reference and DUT readings are logged and averaged at each pressure point When lt Timed gt is specified CalTool averages for the fixed lt Averaging Time gt entered 0 999 seconds lt Manual gt averaging allows either a fixed time or user selectable starting and stopping of averaging at each point Averaging only occurs when reference and DUT output readings can be taken remotely As many readings as possible are taken during the averaging period Page 41 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 10 lt Test Definition Editor gt Sequence Tab Fields Continued FIELD DESCRIPTION lt Number of CalTool can run up to 10 test cycles in one test A test cycle includes setting Test Cycles gt and taking data at each of the pressure points in the lt Points gt table When more than one test cycle is specified system leak testing and purging if included occurs only at the beginning of the fir
30. gt Entry Form 2001 DH Instruments Inc Page 74 CalTool for RPTs User s Manual DHi CalTool sets up all remote devices according to the selections made during the initialization process CalTool will change ranges units control settings etc as needed No front panel interaction is necessary A Data File is created for each DUT If the Setup Options Initialize Test tab lt Use default Data File name gt option is checked see Section 6 6 1 the Data Files are automatically named Otherwise the name and location of each DUT s Data File must be entered in a standard file selection box Following initialization the Data Acquisition step of test execution begins see Section 7 3 7 2 2 MANUAL TEST INITIALIZATION Initializing a manual test is very similar to the initialization of an automated test see Section 7 2 1 for the definition of automated and manual tests The difference is that the reference test pressure unit measurement mode and number of test points must be set up manually instead of by selection of a Test Definition A remote reference and DUT can be used when available to automatically acquire the necessary information rather than entering all settings from scratch Selecting a remote interface for a device when running a manual entry test only effects how the device setup is obtained Test data must always be entered manually To take data automatically real time while running a test use an autom
31. in the factory pressure equations wii Not all DUTs support Auto For these DUTs assume ZOFFSET to be O and refer to the case with AutoZ turned OFF molbox1 and molbox RFM do not support AutoZ wi Gauge mode calibrations may have an independent ZOFFSET value for each point 02001 DH Instruments Inc Page 102 CalTool for RPTs User s Manual H Table 31 Factory Pressure Equations RPT MEASUREMENT CALIBRATION AUTOZ FACTORY PRESSURE EQUATION MODE MEASUREMENT MODE STATE Absolute Absolute W Pour Pn PAE P oinin Absolute Absolute PM 4 Pour Prorrser PA 00 Absolute Gauge OFF PM ZOFFSET Pour PA Prorrser Gauge ON PM Table 32 Definition of Factory Pressure Equation Terms VARIABLE DEFINITION Pour DUT pressure reading in the unit of pressure in which the test was run This value is read directly from the Data File without manipulation Pract Calculated raw DUT pressure This is the value the DUT would output without the current calibration applied As received DUT pressure adder converted from Pascal to the pressure unit in which the test was run As received DUT pressure multiplier oe Pour Pore PA SE Absolute Gauge ON PM P Tare T P ZOFFSET Y P ATMOFFSET Prare Temporary storage variable that holds the effective atmospheric pressure value for absolute RPTs calibrated in gauge mode PZOFFSET ZOFFSET value logged for the pressure point for gauge mode calibrations of
32. lt Leak Test Time gt divided by the leak test time The leak test pass fail is determined by comparing this value to the lt Leak Rate Limit gt The lt Abort Test On Failure gt option determines whether the test proceeds if the leak test fails If the test proceeds the pass fail status of the leak test is indicated in the Leak Test section of the Data File el the Skip Forward toolbar option can be used to skip the leak test This may be desired if a Test Definition that includes a leak test is aborted at some point after the leak test is complete and then the test is immediately repeated The purpose of the Leak Test tab s fields and settings as well as instructions on how to use them are provided in Table 13 Page 47 2001 DH Instruments Inc CalTool for RPTs User s Manual Points Sequence Reference Control Leak Test Cycle Run Leak Test IV Leak Test Pressure 4DUTSpan ho Set Pressure Timeout 5 ETS Leak Rate Limit DUTSpan s 0 01 Dwells izo Leak Test Time s e0 Abort Test On Failure Figure 19 lt Test Definition Editor gt Leak Test Tab Table 13 lt Test Definition Editor gt Leak Test Tab Fields DESCRIPTION lt Run Leak Test gt check box selection lt Leak Check Pressure aaaaaaaa gt numeric entry field lt Set Pressure Timeout s gt numeric entry field lt Leak Rate Limit aaaaaaa s gt numeric entry field 2001 DH Instrume
33. not already open Simply changing information in a Test Definition places the lt Test Definition Editor gt in the edit mode No specific option needs to be selected to begin editing a Test Definition Other Test Definitions can be viewed while editing a Test Definition A flashing indicator displays the ID number of the test currently being edited Use the Save toolbar icon to store the edits or press the Restore icon to return the test to its original state Be sure to change the lt Test Record Label gt prior to saving if you re editing one Test Definition to create a new one Page 33 02001 DH Instruments Inc H CalTool for RPTs User s Manual 6 3 3 TEST DEFINITION SELECTOR The Test Definition Selector is used to select a Test Definition Within the lt Test Definition Editor gt click the Select Test toolbar icon to select a test using this tool rather than using the scroll bar The Selector displays a sorted list of common test characteristics This basic information should be enough to easily identify a specific test Click any of the column headers to sort the list by that column Press lt OK gt to select the current test or press lt X gt to return to the lt Test Definition Editor gt When the Test Definition Selector is displayed while initializing a test a View Test option is provided Use this button to view the test in the lt Test Definition Editor gt The lt Test Definition Editor gt has a test scroll feat
34. or start to wonder about all the great features you might be missing get into the manual Cross references are used extensively to direct you towards additional information on a topic Cross references are generally in parentheses and give the reference s section number Forexample see Section 11 Frequent reference is made to the DUT s Operation and Maintenance Manual referring to the manual that is delivered with a DHI product indicates CalTool controls such as menu and tab selections for example Setup or buttons and icons for example Abort Test icon Menu or tab selection paths are always described hierarchically from highest to lowest level For example Tools Options Maintain Lists tab lt gt indicates CalTool text displays such as screen names form names field names prompts warnings and instructions for example lt Enter user ID gt or CalTool functional modules for example lt Data Manipulator gt QO caution is used in the manual to identify user warnings and cautions w l NOTE is used in the manual to identify operating and applications advice and additional explanations Page vii 2001 DH Instruments Inc CalTool for RPTs User s Manual NOTES 02001 DH Instruments Inc Page viii CalTool for RPTs User s Manual 1 INTRODUCTION 1 1 PRODUCT OVERVIEW CalTool for RPTs is intended to provide assistance in the calibration of the reference pressure transducers RPTs
35. partial Data File created for that test may appear depending on the Setup Options Initialize Test tab choice toolbar icon 2001 DH Instruments Inc Page 18 CalTool for RPTs User s Manual Gut 5 4 2 DISPLAY TOOLS Table 2 describes Toolbar features that relate to CalTool run screens Each of the Toolbar icons forces the corresponding display screen to the top of the display Table 2 Tools Available On The Display Toolbar DESCRIPTION View DUT toolbar icon View Test toolbar icon Data Grid toolbar icon Data Plot toolbar icon DUT Reference Comparison A toolbar icon View Device Output toolbar icon Causes the lt DUT Setup gt window to display in the main screen with the information corresponding to all active DUTs No editing or new DUT selections can be made at this time Causes the lt Test Definition gt window to display in the main screen with the information corresponding to the active Test Definition see Section 6 3 This allows complete information on the current test procedure to be reviewed without interrupting a running test Display the lt Data Grid gt run window with the data logged for the current test Use the list box at the top of the grid display to view data logged for other DUTs being run in the same test see Sections 5 5 3 8 4 1 Display the lt Plot gt run window loaded with data from the current test Use the list
36. port on the host computer The lt RS232 Settings gt must match the RS232 settings setup on the DUT To edit the settings click the field with the mouse and select the correct RS232 port and settings from the lt RS232 Settings gt popup To access the DUT s RS232 settings from the DUT front panel refer to the DUT s Operation and Maintenance Manual IEEE 488 The DUT must be connected to the host computer with an IEEE 488 cable The host computer must be using the IEEE 488 card selected in the Setup IEEE 488 option see Section 6 5 The address of the DUT must be entered in the lt IEEE 488 Address gt field The IEEE 488 address of the DUT can be accessed using the front panel menu options 2001 DH Instruments Inc Page 52 CalTool for RPTs User s Manual H 6 4 2 DUT SETUP The lt DUT Setup gt form is reached from various points in CalTool The lt DUT Setup gt form is used to display and in some cases edit the settings of remotely enabled DUTs Itis also used to set up manual DUTs Information from multiple DUTs may be included on the display on several tabs It depends on the CalTool operation used to display the window The purpose of the lt DUT Setup gt window s fields and functions as well as instructions on how to use them are provided in Table 16 The lt DUT Setup gt form reached by Setup DUT allows editing of the calibration information PA PM ZNATERR ZOFFSET This feature can be useful to reen
37. response to a set pressure command to an automated pressure controller If the controller is unable to set the test pressure and achieve a Ready condition within the time out period a t is logged in the lt Status gt column of the data run time test log and in the Data File and test execution proceeds with the dwell step for that point see Table 27 The control time out assures that a test will not hang up indefinitely waiting to achieve a Ready condition at a test point however data taken after a control time out is likely to be invalid Control timeout should be set to greater than the worst case pressure setting time of the controller If pressure control is lt Manual gt or lt PG7000 gt the control timeout is ignored numeric entry field 6 3 4 7 LEAK TEST TAB The Leak Test tab is used to specify whether a leak test will be run at the beginning the data acquisition step of test execution see Section 7 3 and to define the leak test parameters The leak test if included occurs at the very start of test execution Pressure is set to the specified lt Leak Test Pressure gt and pressure control is aborted once a Ready condition is reached CalTool then allows pressure to stabilize for the lt Dwell Time gt Once the dwell time has completed pressure is measured over the lt Leak Test Time gt Then the pressure is vented The leak rate is calculated as the difference in pressure between the beginning and end of the
38. screen is reached select Manipulate Data see Section 7 4 Once in the lt Data Manipulator gt see Section 9 observe the predicted as left 2001 DH Instruments Inc data If the data is acceptable use Calibration Activate Calibration to write the new calibration coefficients for the current range of the PPC2 AF see Section 9 2 2 Follow the on screen prompts and run the PPC2 AF ZNATERR routine from the PPC2 AF front panel as requested see the PPC2 AF Operation and Maintenance Manual Use File Save Calibration Results to create a Results File with all the as received and as left calibration information see Section 9 2 1 Use File Generate Report From Data to generate a calibration report if desired Then use File Save Report and or Print Report if desired see Section 9 2 1 Page 14 CalTool for RPTs User s Manual 5 MAIN PROGRAM 5 1 OVERVIEW The main program contains all of the necessary display information and menu options to set up and calibrate all ranges of any supported DUT When CalTool is first started the main screen displays without any child windows Only after a menu option is selected does the screen update to display the corresponding window The following features are directly available in the main program e Main menu bar to access all CalTool menus and toolbar functions see Section 5 2 e Status bar at the bottom of the screen that contains informat
39. set up the pressure references that will be used as standards when tests are run e Test see Section 6 3 Runs the lt Test Definition Editor gt to create view edit and delete Test Definitions e DUT see Section 6 4 Displays the DUT Setup gt display loaded with the information of a single DUT with which remote communications are established Allows editing of DUT information e IEEE 488 Card see Section 6 5 Allows the selection and set up of the IEEE 488 card in the computer running CalTool that CalTool will use for IEEE 488 communications e Options see Section 6 6 Many aspects of running tests with CalTool and CalTool Data Files can be customized using the features contained within in this menu e Remote Communications see Section 6 7 This is a troubleshooting tool used to test the remote interface of a and communications setup with a device 6 2 REFERENCE Setup Reference is used to set up the pressure references that CalTool uses when running tests All references set up are available for selection in the lt Test Definition Editor gt Reference tab which determines what reference is used when a test is run see Section 6 3 4 5 It is therefore a good idea to set up all possible pressure references at one time so that they are available for selection from the dropdown menu when creating and editing Test Definitions If a reference is deleted Test Definitions that specify the deleted reference will
40. times specified in the test file How pressure is set is controlled by the Test Definition Control tab If the pressure is being set manually consider that there is no reason to set the pressure precisely If cycling fails due to a cycle set pressure timeout on an automated pressure controller and lt Abort test on failure gt for cycling is checked in the Test Definition the test aborts Otherwise test execution continues Use the Step Forward icon to skip the leak test if desired Set pressure and take data at each test point The value of the pressure set points is determined by the Test Definition Points table After each pressure point and any other action included in the Points table e g piston cylinder change vent has been completed the test execution proceeds to the test conclusion step see Section 7 4 Page 77 2001 DH Instruments Inc H CalTool for RPTs User s Manual The sequence of operations to set pressure and take data for each pressure test point has three steps a Set pressure to the point pressure value How the pressure is set is determined by the Test Definition Control tab If pressure setting is manual a prompt to set the pressure to the pressure point value is presented Set the pressure to the requested value then press OK to proceed If pressure setting is automated using a DHI PPCx pressure controller pressure is set automatically using either dynamic or static control The press
41. you set up in Step O Page 9 2001 DH Instruments Inc 8 Run CalTool for RPTs User s Manual the test using Run Run Test or by pressing the Run toolbar icon see Section 7 2 1 In the lt Select Test gt window select the Test Definition that was created in Step 6 In the lt DUT Selection amp I O Setup gt window select the appropriate DUT type from the lt DUT Type gt dropdown list enter an identification value in the lt Identification gt field if desired select the interface type from the lt Interface Type gt dropdown list click on the lt Interface Settings gt field to change the settings if necessary Repeat for each DUT one row per DUT if testing more than one DUT ata time In the lt DUT Setup gt window enter or edit an lt Identification gt if desired specify the lt Calibration Range gt from the dropdown list edit the lt Calibration Range FS gt if necessary and click lt Use AutoZ gt to show an if you want the as received data to be taken with the DUT AutoZ on Repeat for each DUT in a multi DUT test or press Copy Settings for all the DUTs to have the same range and AutoZ settings In the lt Reference Setup gt window click on the lt Mass Set gt lt Mass Bell gt and lt Piston Cylinder gt that will be used to run the test Note that the pressure range resulting from the selected elements is actively displayed in the lt Nominal Pressure Range gt field In the lt User
42. 0 1 2 for absolute by vacuum gauge and absolute by ATM respectively Unit Test pressure unit specified in the Test Definition Resolution Reference pressure display resolution specified in the Test Definition Mass Resolution PG reference mass loading resolution Cycle Exercise Pressure Yes No based on Test Definition lt Cycle Pressure gt option Page 85 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 26 Data File Header Format Continued SECTION DESCRIPTION Test Num Cycles The number of pressure exercising cycles specified in the Test continued Definition Cycle Min The minimum pressure cycle pressure Cycle Max The maximum pressure cycle pressure Reference The reference section contains information related to the device that acted as the pressure reference in the test see Section 6 3 4 5 The following information concerning the reference is logged in this section Manufacturer Manufacturer Model Instrument model Serial Number Instrument serial number Identification Identification field contents Calibration Date Calibration date Range Range used to run the test if applicable Mass Set Serial number of mass set used to run the test if applicable Piston Cylinder Serial number of piston cylinder used to run the test if applicable KN KN of piston cylinder used to run the test if applicable Mass Bell Serial numb
43. 21 describes each of the options on the Run Test lr CalTool default display vertically tiles the lt DUT Reference Comparison gt lt Data Grid gt and lt Data Plot gt windows 2001 DH Instruments Inc Page 62 Initialize Test Run Test Run Test Display End Test Data File CalTool for RPTs User s Manual DH Auto show comparison window E Auto show automated reference control window v Auto show automated DUT control window s E Auto show plot window E Auto show display grid Iv Auto scroll display grid with each new point Iv Default window arrangement Tile Horizontally zl OK Cancel Figure 27 lt Options gt Run Test Display Tab Table 21 lt Options gt Run Test Display Tab Fields FEATURE DESCRIPTION lt Auto show comparison window gt check box lt Auto show automated pressure reference control window gt check box lt Auto show automated DUT control window gt check box lt Auto show plot window gt check box Check this box to automatically display the lt DUT Reference Comparison gt window see Section 5 5 5 after the test initialization is complete If this option is not checked use the main toolbar to access this window while running a test Check this box to automatically display the lt Reference Output gt run window see Section 5 5 6 This selection is ignored if remote communication with the reference is not ac
44. CalTool for RPTs A PC Based Calibration Utility For Reference Pressure Transducers in DH Instruments Products User s Manual 2001 DH Instruments Inc CalTool for RPTs User s Manual High pressure liquids and gases are potentially hazardous Energy stored in these liquids and gases can be released unexpectedly and with extreme force High pressure systems should be assembled and operated only by personnel who have been instructed in proper safety practices O 2001 DH Instruments Inc All rights reserved Information in this document is subject to change without notice No part of this document may be reproduced or transmitted in any form or by any means electronic or mechanical for any purpose without the permission of DH Instruments Inc 4765 East Beautiful Lane Phoenix AZ 85044 5318 USA DH Instruments makes sincere efforts to ensure the accuracy of its published materials however no warranty expressed or implied is provided DH Instruments disclaims any responsibility or liability for any direct or indirect damages resulting from the use of the information in this manual or products described in it Mention of any product does not constitute an endorsement by DH Instruments of that product This manual was originally composed in English and was subsequently translated into other languages In case of conflict between the English version and versions in other languages the English version predominates DH Instruments
45. DH DHI CalTool COMPASS molbox PPC2 PPC2 PPCK and RPM3 are trademarks registered and otherwise of DH Instruments Inc Windows is a registered trademark of Microsoft Corporation Document No 550125a 20011003 Printed in the USA 2001 DH Instruments Inc CalTool for RPTs User s Manual TABLE OF CONTENTS TABLE OF CONTENTS gt inie e iia i TABLE A aa aiaa iv FIGURE S oiiaao O eee eee v ABOUT THIS EI UE BE vii t INTRODUCTION vor de Ke Nee KE d ss eases KS d KEN shied KEN d KEN ees K Eed 1 1 1 PRODUCT OVERVIEW ennaii tornia Ee 1 2 GETTING STARTED hrm a e ias 3 OVERVIEW EEE E E E A E ising Aieshneiaeacdecon 3 2 2 SYSTEM REQUIREMENTS iia 3 2 3 INSTALLING CALTOOL FOR RPTS ua a 3 2 4 RUNNING THE PROGRAM 00 4 2 5 4 3 OPERATING PRINCIPLES io ere d NENNEN NENNEN EEN NENNEN 5 SL OVER MIE A Ailton Re 5 A QUICK TIPS 0 0 iD O ROS A AE tals 7 AA ee E seas A 7 4 2 APPLICATION E TE 9 4 2 1 CALIBRATING AN RPM3 PPC2 OR PPCK REAL TIME WITH A PG7000 PISTON GAUGE AS THE REFERENCE iian iena e ass 9 4 2 2 CALIBRATING AN RPM3 REAL TIME WITH A PPC2 AS THE REFERENCE sssssssssssssssssssccssesssssssees 11 4 2 3 CALIBRATING AN RPM3 PPC2 OR PPCK USING PREVIOUSLY ACQUIRED DATA NOT RUNNING A TEST REAL TIME ds 4 2 4 CALIBRATING A PPC2 AF REAL TIME WITH A NON DHI PISTON GAUGE 5 MAIN PROGRAM 5 1 5 2 5 3 5 4 5 5 O 0 MAIN MENU BAR STATUS BAR Eege
46. Definition defining the test procedure that CalTool will run to take as received calibration data from the reference and the DUT see Section 6 3 The normal points sequence is 0 20 40 60 80 100 FS ascending and descending If running an absolute measurement mode test edit the lt Points gt table replacing zero with the lowest point the PPC2 can set reliably On the Test Definition Reference tab be sure to select the PPC2 you set up in Step 0 On the Test Definition Control tab select lt Reference gt from the lt Pressure Controller gt dropdown list Then select the desired control parameters typically lt Dynamic gt for lt Control Mode gt and lt 0 005 gt for lt Hold Setting DUTSpan gt Run the test using Run Run Test or by pressing the Run toolbar icon see Section 7 2 1 Inthe lt Select Test gt window select the Test Definition that was created in Step O In the lt DUT Selection amp UO Setup gt window select the appropriate DUT type from the lt DUT Type gt dropdown list enter an identification value in the lt Identification gt field if desired select the interface type from the lt Interface Type gt dropdown list click on the lt Interface Settings field to change them if necessary Repeat for each DUT one row per DUT if testing more than one DUT at a time In the lt DUT Setup gt window enter or edit an lt Identification gt if desired specify the lt Cali
47. Determines whether pressure exercising will be conducted at the beginning of the test or not If checked exercising will occur at the beginning of the first test cycle Otherwise exercising will not occur and the rest of the Cycle tab is disabled Defines the minimum exercising pressure that will be set for each exercise cycle aaaaaaa depends on the point type specified on the Points tab If the point type is lt Pressure Unit gt the value entered will be interpreted as a pressure in the pressure unit and measurement mode specified on the Test Definition Sequence tab If the point type is lt 4DUT Span gt the value entered will be used to calculate the minimum pressure from the span of the first DUT setup during test initialization To make the minimum pressure VENT or the lowest value that can be set by a piston gauge place the cursor in the field and then press the computer s Insert key to call a dropdown list with these insert selections Defines the maximum exercising pressure that will be set for each exercise cycle aaaaaaa depends on the point type specified on the Points tab If the point type is lt Pressure Unit gt the value entered will be interpreted as a pressure in the pressure unit and measurement mode specified on the Test Definition Sequence tab If the point type is lt 4DUT Span gt the value entered will be used to calculate the minimum pressure from the span of the first DUT setup during test initia
48. FS Error ca 597 203 596 995 0 003 5490 873 5490873 0 001 A 11034 07 11034 300 0 002 Ke 02 16525 16 4 8 16525630 1 Figure 41 lt Data Manipulator gt Form 02001 DH Instruments Inc Page 96 CalTool for RPTs User s Manual DHi 9 2 MAIN MENU The lt Data Manipulator gt main menu has the following selections File Calibration and DUT File see Section 9 2 1 Accesses all file functions including opening Data Files saving Results Files writing reports printing and plotting data Calibration see Section 9 2 2 Activates restores or views DUT calibration data DUT see Section 9 2 3 Select between multiple DUTs when multiple Data Files are open following a multi DUT test Sections 9 2 1 to 9 2 3 describe the different lt Data Manipulator gt menu options and functions Some of the selections have toolbar shortcuts for easy access When applicable the toolbar shortcut is described along with the menu option oF Menu and toolbar options that act on the active Data File or active DUT perform operations on the Data File currently displayed in the Data Manipulator and the DUT used to log data in the Data File 921 FILE The purpose of all selections of the File menu are defined in Table 29 Table 29 lt Data Manipulator gt File Menu Selections MENU ICON DESCRIPTION Select New Data Displays a file box to select a new Data File to load
49. ID gt window identify the person running the test Follow the on screen prompts and instructions to run the test points see Section 7 3 O When the lt Test Complete gt screen is reached select Manipulate Data see Section 7 4 2001 DH Instruments Inc Once in the lt Data Manipulator gt see Section 9 observe the predicted as left data If the data is acceptable use Calibration Activate Calibration to write the new calibration coefficients for the current range of the DUT see Section 9 2 2 Use File Save Calibration Results to create a Results File with all the test and as received and as left calibration information see Section 9 2 1 Use File Generate Report From Data to generate a calibration report if desired Then use File Save Report and or Print Report if desired Page 10 CalTool for RPTs User s Manual DHi 4 2 2 CALIBRATING AN RPM3 REAL TIME WITH A PPC2 AS THE REFERENCE To calibrate an RPM3 PPC2 or PPCK with a PPC2 as the reference real time using CalTool follow the steps below Setup the PPC2 reference using Setup Reference see Section 6 2 Create a new reference Select DH Instruments from the lt Manufacturer gt dropdown list and PPC2 from the lt Model gt dropdown list Select the interface your computer will use to communicate with the PPC2 from the lt Interface gt dropdown list 8 Use Setup Test to create a Test
50. It also creates and uses default directories for the Data Files based on the DUT on which the test was run This dropdown selection list DUT dependent data directory is created as a subdirectory of the lt Root Data File directory gt This feature automatically sorts Data Files in DUT dependent directories so that they can easily be located when desired This option determines how major Data File directories will be named The choices are DUT serial number identification model or manufacturer In addition lt None gt can be selected The directory name will include the full text of the selected DUT field unless the lt Use long Data File name gt option is unchecked or the DUT field contains one of the following invalid characters as part of the field gt gt or If so the directory name will contain all text up to the first occurrence of the invalid character The lt Model gt selection is recommended for this field even when only one type of DHI product will be used by CalTool lt Minor Data File This option is similar to the lt Major Data File directory name gt The directory named by gt difference is that the directory created by this selection is created as a dropdown geleciion list subdirectory of the lt Major Data File directory name gt The lt DUT Serial Number gt selection is recommended for this field Page 67 2001 DH Instruments Inc H CalTool for RPTs U
51. Tool will pause to allow points to be repeated after the last point is complete or automatically end the test without pause There are three choices e lt Enable repeat for fixed time delay gt The test will pause for a fixed time delay after the last pressure point is complete During the delay the Back toolbar button remains active allowing points to be repeated This choice gives the possibility of repeating points after the last point is complete but also causes the test to continue automatically without operator intervention lt Prompt to repeat gt Systematically pauses the test at the end of each test cycle and prompts the user as to whether the last test point should be repeated This selection guarantees that the operator will consider whether to repeat points but it also prevents the test from completing automatically lt No repeat option gt The test will automatically conclude after the last point There is no opportunity to repeat points after the last point is complete Use this choice to prevent any delays or interruptions in the test sequence Check this box for the lt Data Manipulator gt to execute automatically at the end of completed tests This option is a short cut to selecting the lt Data Manipulator gt option in the lt After Test gt dialogue at the end of a completed test Check this box to have the option in the lt Data Manipulator gt to activate one range s calibration to all other ranges of an RPT An
52. Toolbar menu and the Main Toolbar to display run windows during a test see Section 5 4 5 5 1 DUT SETUP RUN WINDOW The lt DUT Setup gt run window displays the calibration and setup information for the active calibration range of all DUTs being run in the test The display is identical to the lt DUT Setup gt window displayed during test initialization see Section 7 2 1 and Figure 32 with the exception that the only available action is the ability to view other DUTs for multiple DUT tests Click the serial number labeled tab of the desired DUT Calibration data for other ranges cannot be viewed when a test is in progress See Table 16 for information on all fields in this display the lt DUT Setup gt run window cannot be scaled and the display should not be left open indefinitely during a test Test data cannot be logged while the window is open View the necessary information then close the window SN 920 SN 921 St 1 SN 922 SN 917 r Header r User Calibration DUT Model RPM3 PA O Pal Serial Number Fe PM mm Identification Calibration Date Software Version ZNATERR Calibration Range is y ZOFFSET Calibration Range FS 41368 550kPa f Auto Z Onf 20010525 YYYYMMDD Ta Pa Wer2 00 Figure 3 lt DUT Setup gt Run Window Copy Settings 2001 DH Instruments Inc Page 20 CalTool for RPTs User s Manual H 5 5 2 TEST DEFINITION RUN WINDOW Th
53. UT exercising function that may be included at the beginning of a test A specified high and low pressure applied for the number of cycles specified Cycling is included in the test and defined using the Test Definition Cycle tab See also Cycle Test Cycles Cycle Test Cycles A complete set of pressure points in a CalTool test run Tests may include multiple cycles Number of cycles is set in the Test Definition Sequence tab Acronym for Data Acquisition This refers to the method used to gather data from a DUT Data File dat Files automatically created by CalTool to store the data from a test lt Data Manipulator gt A CalTool function used to manipulate the results of a test to determine new calibration coefficients predict as left data and write new calibration coefficients to a DUT DUT Acronym for Device Under Test The device that is being tested using CalTool Also known as Test Instrument TI Unit Under Test UUT Page 109 2001 DH Instruments Inc H CalTool for RPTs User s Manual DUT Tolerance The performance limit of a DUT expressed in terms of maximum allowable disagreement with the pressure reference The DUT tolerance is specified in the Test Definition Sequence tab A waiting period at a pressure point between the time the pressure has been set and stabilized and the start of data acquisition to take the DUT and reference readings Dynamic Control A control mode for a DHI PPC Pressure C
54. a File is the option to activate and view DUT calibration coefficients available The purpose of all selections in the Calibration menu are defined in Table 30 wf Testing a molbox1 or molbox RFM with lt Upstream downstream gt selected creates two Data Files one for each RPT that must be manipulated and activated separately If you have tested the upstream and downstream RPTs of a molbox1 or molbox RFM simultaneously be sure to use the lt Data Manipulator gt on two Data Files one for each RPT Table 30 lt Data Manipulator gt Calibration Menu Selections FEATURE DESCRIPTION Activate Activates the new calibration coefficients to the calibrated pressure range Calibration The predicted PA PM and calibration date are activated to all DUT types ZNATERR and ZOFFSET are activated to DUTs that support Autoz PPC2 PPCK and RPM3 If the RPT has multiple ranges a prompt to activate the calibration to all other ranges will also display as long as the Setup Options End Test tab lt Prompt to activate this calibration to all ranges on this RPT gt option is checked see Section 6 6 4 Use this feature ONLY if all the ranges are to have the same calibration which is usually NOT the case menu item When multiple Data Files are loaded into the Data Manipulator there is an extra prompt to activate the calibration to all DUTs If Yes is selected the calibration for each DUT Data File is activated to each DUT Selec
55. able 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Table 30 Table 31 Table 32 Table 33 Table 34 Table 35 Table 36 Table 37 Table 38 CalTool for RPTs User s Manual TABLES Tools Available On The Run Toolbar nn nnnnnnnnnnannnnnnns 18 Tools Available On The Display Toolbar oooocccnnnoccccnonoccccnononcncnanoncnnncnnncnn cano rca r cano rca r cnn rca 19 lt DUT Reference Comparison gt Run Window Fields 24 lt PG7000 gt Run Window Fields and long nennen nt 26 lt PPC gt Run Window Fields nn nnnn cnn r nana nn n nn nn n nn nnannnnanns 28 nn nnst nnen nn nenene 31 lt Test Definition Editor gt Toolbar Features 36 lt Test Definition Editor gt Points Table Features ooooooooccccnnncinocococccoccnccnonnononcconcnnnnnnnnnnnnno 38 lt Test Definition Editor gt Points Tab Fields nc nnnnnnnns 40 lt Test Definition Editor gt Sequence Tab Fields 1 44 41 lt Test Definition Editor gt Reference Tab Fields 43 lt Test Definition Editor gt Control Tab Fields oooooooccnnnninnninicocnnnncnnnconorcccnnnnnnnnnnnrncnnnnnnns 46 lt Test Definition Editor gt Leak Test Tab Fields oooooooonnnninicncnnnnnnnnnnococccnccnncncnnonarccnnnnnons 48 lt Test Definitio
56. alculating predicted as left data For more information on the calibration coefficients used by DHI products see the Calibration of Reference Pressure Transducers and AutoZ Sections of the DUT s Operation and Maintenance Manual New calibration coefficients and as left data are determined as described in Sections 10 2 to 10 4 wF Not all supported DUTs utilize the AutoZ capability of multi ranging products such the RPM3 and PPC2 For these devices ZNATERR ZOFFSET and ATMOFFSET are not used or manipulated In these cases assume zero in any mathematical description molbox1 and molbox RFM do not use AutoZ wl In the case of the calibration of an absolute RPT AXXXX in gauge measurement mode on a DUT that supports AutoZ ZOFFSET is no longer a calibration value it is the current atmospheric tare value to simulate gauge operation For this reason lt N M gt Not Meaningful displays in all ZOFFSET fields on the lt Data Manipulator gt display for absolute RPTs calibrated in gauge measurement mode Data used for calculations is read directly from the selected Data File All data acquired during tests is simply written to this file without manipulation regardless of the type of test run During any calibration of an absolute RPT in gauge measurement mode if AutoZ is ON the values of ZOFFSET and ATMOFFSET are also recorded for every as received pressure point Refer to the DUT Operation and Maintenance Manual for additional info
57. alibration and how many calibrations were performed on that range on the given day The file must be stored in a location that supports long file names Otherwise an error is generated The Data File name is formatted as RR FS_ddd_rrr dat e g H3 45psi_079 001 dat where RR The RPT range calibrated The value is H1 H2 H3 L1 L2 or L3 FS Variable length string that contains the full scale pressure and unit of the RPT e g 100psi This full scale value is the value shown in the lt DUT Setup gt window during test initialization ddd The three digit day of the year in Julian date format e g 001 for January 1 and 365 for December 31 rrr Represents the test run number of a specific range on a specific DUT for the current day This indicator increments from 000 to 999 Short Data File names are formatted as RR_dddrr dat e g H3_07901 dat where RR The RPT range calibrated The value is H1 H2 H3 L1 L2 or L3 ddd The three digit day of the year in Julian date format e g 001 for January 1 and 365 for December 31 rr Represents the test run number of a specific range on a specific DUT for the current day This indicator increments from 00 to 99 8 4 DATA FILE STRUCTURE The Data File structure includes headings and labels that structure the data and make it easy to read and follow The information in the Data File is divided into sections Each section with the exception of the first section is preceded with a single li
58. ar see Section 5 4 1 Each menu item is simply a menu representation of the corresponding run test toolbar icon Window see Section 5 5 Choose which child window to display when a run mode has been selected The windows can be tiled or cascaded if desired 2001 DH Instruments Inc Page 16 CalTool for RPTs User s Manual DHi 5 3 STATUS BAR The Status Bar is located at the bottom of the main screen see Figure 1 Figure 2 In all run modes CalTool flashes information related to the current operation on the Status Bar display While running tests two panels and a progress indicator also display with status information on the current test step and point The blue panel on the left displays the current test step or function Each point in a test sequence has five basic test steps O Pre Test Options if specified in the Test Definition occurs once at the beginning of a test e Cycle Pressure e Leak Test Set Pressure to pressure point specified in the Test Definition Ready check stability Test for pressure at the set point Dwell for dwell time at the set point after a Ready condition has been achieved 9 e 8 o Take Data for length of averaging time after the dwell time has been completed The red panel displays the current test point during a test The notation used is current cycle current point lt of gt total cycles total points per cycle For example if a 2 cycle 10 point test is executed point 3 of th
59. ated test see Section 7 1 Manual tests proceed as follows w Make sure the PA PM ZOFFSET and ZNATERR values for the DUT are recorded when data is taken outside of CalTool to be entered later in a manual test These coefficients must be entered during the test initialization for the lt Data Manipulator gt to properly determine new calibration coefficients from the resulting Test Data file O Start the test by selecting Run Manual Entry Test O Select the number of test points pressure unit of measure measurement mode pressure display resolution and pressure reference on the lt Manual Test Setup gt form see Figure 35 and Table 24 If the reference has a remote interface and is connected to the host computer check the lt Use remote settings gt box to automatically load the reference setup Follow the automated test initialization procedure starting with Step in Section 7 2 1 L A remote interface for DUT s can be used if desired This allows the DUT settings to be automatically loaded into CalTool The lt Data Manipulator gt will also be able to activate calibrations upon completion of the test Page 75 02001 DH Instruments Inc H CalTool for RPTs User s Manual E Manual Test Setup x Number of Test Points fi 2 Pressure Unit ps z Measurement Mode Absolute Pressure Resolution Pressure Reference Service PG Read Remote Reference Settings I Figure 35 lt Manual Tes
60. ates a directory hierarchy that simplifies locating Data Files from a specific DUT For example if a PPC2 with serial number 2438 is tested the default directory structure will put the Data File in the datalPPC2P12438 directory The automated Data File name follows one of two formats determined by the Setup Options Data File tab preference see Section 6 6 5 The CalTool assigned file name is a default file name Any complete Data File can be renamed using the Rename option on the lt Test Complete gt dialog see Section 7 4 or using standard Windows file naming protocol When naming Data Files automatically by default CalTool uses long data file naming format more than eight characters If long data file names are not supported by the target directory or lt Use long data file name format gt is unchecked on the Setup Options Data File tab short data file names are used Page 83 2001 DH Instruments Inc Gut CalTool for RPTs User s Manual wl CalTool s automatic naming convention for Data Files makes it possible for two dat files to have the same name However the two files would always be stored in different directories since they would have to be for DUTs with different identifications To avoid conflicts or accidental overwrites when moving Data Files to new locations keep in mind that different Data Files may have the same name Long Data File naming explicitly states the RPT calibration range day of the c
61. box at the top of the grid to view FS Error plots of other DUTs being run in the same test A combined plot of all FS Error plots is also available in the list see Section 5 5 4 The plots update real time as the test runs Display the lt DUT Reference Comparison gt run window This display provides convenient real time pressure and error information for the reference and all active DUTs see Section 5 5 5 Displays a pop up menu allowing the selection of the run window for all remotely enabled devices Each run window contains setup and output information specific to the selected device see Section 5 5 6 Page 19 2001 DH Instruments Inc H CalTool for RPTs User s Manual 5 5 RUN WINDOWS Run windows are used extensively by CalTool to display the current output and history of a test in progress The Main Toolbar icons must be used to access these windows when a test is in progress To scale a run window click and drag the border to the desired size Closing minimizing or maximizing any of the run windows has no effect on test execution A running test will continue to run even when all run windows are closed The Window menu includes cascade and tile options for common default displays The combination of these features makes the CalTool user interface totally customizable F the default run window display can be modified using the Setup Options Run Test Display tab selections see Section 6 6 3 Use the
62. bration Range gt from the dropdown list edit the lt Calibration Range FS gt if necessary and click lt Use AutoZ gt to show an if you want the as received data to be taken with the DUT AutoZ on Repeat for each DUT in a multi DUT test or press Copy Settings for all the DUTs to have the same range and AutoZ settings Page 11 2001 DH Instruments Inc CalTool for RPTs User s Manual In the lt Reference Setup gt window click on the lt Available Reference Range that you want to use as the PPC2 range to be active in the calibration Note that CalTool shows its recommended range based upon the pressures in the Test Definition lt Points gt table and the available PPC2 ranges In the lt User ID gt window identify the person running the test Follow the on screen prompts and instructions to run the test points see Section 7 3 O When the lt Test Complete gt screen is reached select Manipulate Data see Section 7 4 4 2 3 Once in the lt Data Manipulator gt observe the predicted as left data If the data is acceptable use Calibration Activate Calibration to write the new calibration coefficients for the current range of the DUT see Section 9 2 2 Use File Save Calibration Results to create a Results File with all the as received and as left calibration information see Section 9 2 1 Use File Generate Report From Data to generate a calibration report if desired
63. ce Pressure Controller Control Mode Hold Setting 4DUT Span Stability Setting 4DUT Span Target Limit 4DUT Span Control Timeout 5 Figure 18 lt Test Definition Editor gt Control Tab Page 45 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 12 lt Test Definition Editor gt Control Tab Fields FIELD DESCRIPTION lt Pressure Determines how pressure will be controlled to set pressure points during the test Control gt The choices are dropdown Manual CalTool cannot communicate remotely with the device that will be selection list used to set pressure As a test is run the operator will be prompted to set the pressure to the target value at each point Use this choice when a manual pressure control system or an automated controller with which CalTool cannot communicate remotely is being used DUT Pressure will be set automatically by the DUT and CalTool can communicate remotely with the DUT The first DUT setup during the test initialization see Section 7 2 must be a remotely enabled pressure controller e PPC2 PPCK etc If this is not the case an error will occur during test initialization This option can be used in a test where the DUT is a controller and the reference does not control for example if a RPM3 is the reference and PPCK is the DUT Reference Pressure will be set automatically by the reference and CalTool can communicate remotely with the
64. changes see Section 6 3 3 Saves changes to an edited Test Definition This field is not available when no edits have been made Any test conflicts results in error messages when saving These conflicts must be resolved before saving can be completed Creates a new Test Definition with default information see Section 6 3 1 Copies the contents of the current Test Definition to a new Test Definition The lt Record Label gt of the copied test includes the text lt Copy gt This is the only difference between the original Test Definition and the copy Make sure the new Test Definition including the lt Record Label gt is properly updated before saving Restores the Test Definition to the last saved state Use this feature to abandon edits made to a Test Definition before saving If a new test was created using the lt New gt option the restore icon is nonfunctional Deletes the current Test Definition permanently deleting the Test Definition A prompt for confirmation displays prior to Displays the lt Test Definition Selector gt loaded with a sorted list of the tests see Section 6 3 3 The selected test will display in the lt Test Definition Editor gt This feature can be used while editing one Test Definition to view another Test Definition Scrolls to the next Test Definition according to the current sort order see Section 6 3 3 This feature can be used while editing one Test Definition to view another Test Definition
65. controllers PPCx If a PG7000 reference is used automatically repeating the point may appear to be the next test point This can be confusing to the test user This feature has no effect if the reference is not set up for remote communication Select the default pressure display unit This unit is the default pressure unit when creating new Test Definitions It is also the pressure unit used to display the full scale pressure range of the DUT in Setup DUT Specifies the default DUT type to use when initializing tests and viewing DUT calibration information Selects the default interface type to use when remotely accessing any device The options are lt RS232 gt and lt IEEE 488 gt The default IEEE 488 address to use when the interface type of a device is lt IEEE 488 gt Enter the desired default value in the text entry field Specifies the default RS232 port and settings to use when the interface type of a device is lt RS232 gt To change the settings click the lt RS232 Port gt or lt RS232 Settings gt fields to access the lt RS232 Settings gt pop up window RUN TEST DISPLAY TAB The selections on the Options Run Test Display tab determine the default display to use when running tests After a test begins the run windows can be positioned closed and scaled in any fashion desired Check the windows that you wish to automatically display then select a window arrangement Display tab Table
66. dd Remove Programs feature in the Windows Control Panel Press the Windows Start button and select Settings followed by Control Panel Double click the Windows Add Remove Programs icon and click the Install button Follow the prompts to install CalTool 2 4 RUNNING THE PROGRAM When the software installation is complete a new Windows group is created to hold the CalTool for RPTs program To run the program select it by pressing the Windows Start button selecting the Programs sub menu followed by the CalTool for RPTs group Click the CalTool for RPTs icon to start the program If anew program shortcut is created make sure the lt Start In gt directory of the shortcut points to the installation directory of CalTool All custom settings for CalTool are stored in this directory To view the lt Start In gt directory of a shortcut right click the shortcut and select Properties select the lt Short Cut gt folder on the display window The lt Start In gt label is located in the middle of the display 2 5 UNINSTALLING To uninstall CalTool use the lt Remove CalTool for RPTs gt icon in the program group created during installation As an alternative use the Add Remove Programs feature in the Windows Control Panel and select CalTool for RPTs In both cases a series of prompts must be followed in the application removal program to uninstall CalTool All installation files and registry updates are removed Data directories c
67. down selection list Auto Fill action button Clear action button 2001 DH Instruments Inc Determines how the pressure point values in the Points table will be interpreted when the test is run Use the dropdown list to select the type If the indication is lt DUTSpan gt when the test is run the pressure points will be calculated from the first DUT s input span defined in the DUT initialization see Section 7 2 and Figure 32 Specifying points in lt DUTSpan gt is useful in setting up a common test procedure that runs the same point distribution for DUTs with different ranges When lt Pressure Unit gt is selected the lt Pressure Unit gt selected on the Sequence tab determines the pressure unit of each value entered into the table see Section 6 3 4 4 Defines the first point of an Auto Fill test point sequence Entering a value in this field has no effect until Auto Fill is pressed Defines the last point of an Auto Fill test point sequence Entering a value in this field has no effect until Auto Fill is pressed Defines the increment used by Auto Fill to determine test points between the starting point and ending point Entering a value in this field has no effect until Auto Fill is pressed Selects whether the Auto Fill point sequence will run from starting point to ending point only or from starting point to ending point and back to starting point If lt Yes gt is selected the test point seq
68. dual grid columns do not automatically scale as the borders of the grid display are scaled Instead click and hold the separator border between columns or rows and adjust the scale as desired The dropdown listbox at the top of the display should be used to display test data for other DUTs included in a multiple DUT test As a test progresses the current point is automatically highlighted and selected in the grid Use the selections on the Setup Options Run Test Display tab to prevent the automatic selection of the current test point if desired see Section 6 6 3 When automatic grid line selection is ON if the grid is scrolled to the top to view points taken earlier in the test completion of a new point will force the grid display back to the last point Page 21 2001 DH Instruments Inc H CalTool for RPTs User s Manual The data columns and ordering of the columns in the grid is fixed Realize that the grid does not display all of the data stored in the Data File nor does it display the data in the same order See Section 8 4 for details on how the Data File is formatted and information on the columns of data displayed on the lt Data Grid gt run window wl When testing a molbox or molbox RFM with the lt Upstream downstream gt selection there are two lt Grid Display Mode gt selections one for each RPT even though there is only one DUT RPM3 920 L2 4000 psi_145_001 dat iol x Grid Display Mode Ji SN 920L2
69. e lt Test Definition gt run window displays the active Test Definition during a test when the appropriate toolbar icon is pressed see Section 6 3 No modifications to the active test can be made nor can a test other than the one being run be viewed A the lt Test Definition gt run window cannot be scaled and the display should not be left open indefinitely during a test Test data cannot be logged while the window is open View the necessary information then close the window Test Editor X Test Record Label Default Test nxe Viewing Test 4 D al Editing Test Points 4DUT Span Insert Points Sequence Reference Control Leak Test Cycle 1 0 0 12 Test Point Type Clear 2 20 0 13 xDUTSpan y 3 40 0 14 Auto Fil 4 60 0 15 z e Starting Poit 7 H 10 0 18 Ending Point 700 8 60 0 13 8 La 20 Step Value 20 10 20 0 21 Ascending Descending Points ves 2 11 22 Figure 4 lt Test Definition gt Run Window 5 9 3 DATA GRID RUN WINDOW While running tests the lt Data Grid gt run window is available to display the list of points and their associated data for all active DUTs Every pressure point up to the current point in the current test cycle is displayed in this grid The unit of measure for many columns is specified in the corresponding column header As with the other run windows the grid display is scalable However the indivi
70. e 1 cycle displays as 1 3 of 2 10 Refer to these displays to determine the new current point when the Skip Back and Skip Forward icons are used The Progress Indicator of the Status Bar is a horizontal bar across the bottom of the screen just above the other status indicators It provides a visual indication of the relationship between the current test point and the number of points in a test The left side of the progress bar represents 0 progress and the right side represents 100 Each step and reading of a test point increments the progress indicator When lt Skip Back gt and lt Skip Forward gt icons are used the progress indicator continues to reflect the current test position SEN Counting down dwell time s Figure 2 Main Program Status Bar Page 17 2001 DH Instruments Inc H CalTool for RPTs User s Manual 5 4 MAIN TOOLBAR Most features on this Toolbar see Figure 1 are active only after one of the Run menu choices is selected Depending on the type of run mode some of the Toolbar options may be disabled To use a tool click on the tool icon wl Use the Toolbar menu to access the toolbar functions without a mouse Many Toolbar functions contain shortcuts that can be accessed quickly from a keyboard 5 4 1 RUN TOOLS The Run Tools are used to alter the course of a running test Table 1 describes the toolbar features not related to run screens Table 1 Tools Available On The Run T
71. e Test Run Test Run Test Display End Test Data File Test Initialization Select Test Verify Reference serial number Use common settings for all DUTs in a multi DUT test Select enter user name ad 104 Use default data file name Maintain Test Users k Delete OK Cancel Figure 25 lt Options gt Initialize Test Tab Table 19 lt Options gt Initialize Test Tab Fields FIELD DESCRIPTION lt Select Test Definition gt check box lt Verify Reference Serial Number gt check box lt Use common settings for all DUTs ina multi DUT test gt check box If checked the lt Test Selector gt appears during test initialization to select the Test Definition to execute If unchecked the last executed test is used by default If the last test is not properly set up the lt Test Selector gt displays When checked CalTool compares the serial number of the connected reference device with the serial number specified for the reference in the reference setup If the serial numbers do not match a warning message appears If they do match no message displays When this feature is not checked no message displays regardless of any serial number discrepancy Verification of the reference serial number occurs only if the reference can be read remotely Check this box to automatically use the same DUT lt Calibration Range gt for all DUTs during the test initiali
72. e any adjustments or modifications are made The CalTool lt Data Manipulator gt manipulates as received data to determine a new calibration coefficients and then predicts as left data ATMOFFSET The difference between the reading of the on board barometer at the last tare and the current reading of the on board barometer Used to dynamically compensate the ZOFFSET value when operating in gauge measurement mode with an absolute RPT and AutoZ ON For complete information on AutoZ and its variables see the DUT s Operation and Maintenance Manual Autozero AutoZ A process by which an RPT range and measurement mode is rezeroed offset relative to a standard For complete information on AutoZ and its variables see the DUT s Operation and Maintenance Manual Averaging Time The time over which reference and DUT readings are taken at a pressure point when running a test with CalTool CalTool makes as many readings as possible during the averaging time and then averages the readings to arrive at the reference and DUT reading for the pressure point Control Mode The type of pressure control that is active static or dynamic Control Timeout The amount of time that CalTool will wait for a Ready condition when setting a pressure point in a test using automated pressure control If a Ready condition is not achieved before the control timeout CalTool logs the time out in the data file and proceeds with the test Cycle Exercising A D
73. e calibration coefficients unless you are thoroughly familiar with their purpose and consequences 6 5 LEEE 488 CARD Setup IEEE 488 is used to set up the IEEE 488 card in the host computer that CalTool will use for IEEE 488 remote communications when needed Select the type of card from the dropdown list and enter the corresponding card address see Figure 24 CalTool will use the selected IEEE 488 card anytime a device interface is set to lt IEEE 488 gt The purpose of the lt IEEE 488 Card Setup gt display fields and settings are provided in Table 18 5 IEEE 488 Card Setup lt Supported IEEE 488 Cards IN ational Instruments y Card Address GPieo OK Cancel Figure 24 lt IEEE 488 Card Setup gt Form Page 57 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 18 lt IEEE 488 Card Setup gt Form Fields DESCRIPTION lt Supported Select the IEEE 488 card that is set up in the host computer The default lt Card IEEE 488 Address gt will display for the type of card selected Cards gt drop down selection list lt Card Enter the address of the selected IEEE 488 card This is not the DUT or Address gt reference IEEE 488 address it is the address of the card in the computer The default address for each type of card selected displays based on the lt Supported IEEE 488 Cards gt selection text entry field 6 6 OPTIONS The Setup Options menu provid
74. e controllers support this feature Enter a new value and press the computer s Enter key to change the target limit Toggle Vent E Increase Pressure 4 Decrease Pressure EY Toggle Fast Slow Slow Abort Control DN 2001 DH Instruments Inc Toggles the state of the PPC vent function Increases pressure at the fast or slow up rate based on the lt Fast Slow gt icon Pressure increases as long as the icon is held down Decreases pressure at the fast or slow down rate based on the lt Fast Slow gt icon Pressure decreases as long as the icon is held down Changes pressure increase decrease rate from fast to slow to determine which PPC control rate will be used to change pressure when the Increase Pressure and Decrease Pressure icons are pressed No pressure change occurs when this option is selected Aborts pressure control if the PPC is actively controlling Page 28 CalTool for RPTs User s Manual 6 SETUP MENU 6 1 OVERVIEW The Setup menu contains all of the features required to set up CalTool to run tests and to troubleshoot communications Once all required and or desired features have been set up future use of the setup options is necessary only to edit the existing setup If CalTool is properly set up tests can be run directly at any time by using the Run Run Test menu option The Setup menu contains the following choices e Reference see Section 6 2 Used to
75. e is a piston gauge and it is necessary to make a piston cylinder change to set the next point When the test is run the lt Reference Setup gt test initialization screen see Section 7 2 and Figure 33 displays at this point to allow the new reference piston cylinder or range to be selected Delete test points from the point sequence by double clicking the point Click on any piston cylinder change or vent image to remove the feature from the test sequence 02001 DH Instruments Inc Page 38 CalTool for RPTs User s Manual H Table 8 lt Test Definition Editor gt Points Table Continued FEATURE DESCRIPTION Insert Insert Point changes the cursor into a pencil icon that can be dropped on any point to insert a blank point at that location The selected point and all subsequent points then shift down leaving a blank point available for entry To remove a test point from the list double click it action button continued lt Test Point The test point table lists the pressure points and other inserted functions that will Table gt be run in sequential order when the Test Definition is executed The values entered are assumed to be in the unit specified by the lt Point Type Indication gt numeric entry label at the top left of the table The point type either pressure unit or fields DUTspan is set using the Points tab see Section 6 3 4 3 If the test points exceed the 22 points that are normall
76. e is received Commands sent are automatically added to the dropdown lt Command gt list the list is cleared each time CalTool is rebooted Some RS232 instruments automatically output data without requiring a command response pair To test these interfaces check the lt RS232 Poll gt option When active this feature causes CalTool to poll the selected RS232 port and automatically log any response Polling will occur only after a command has been sent If no command has been sent press the lt Send gt button to begin polling After a command has been issued the selection can be toggled with no other action required 7 Remote Communications lt Interface Setup Interface R5232 v 5232 Settings Command Terminator lt CR gt lt LF gt e Com Port 1 Send Only a Port Settings 2400 7 1 A5232 Poll E Command Send Figure 30 lt Remote Communications gt Tool 02001 DH Instruments Inc Page 68 CalTool for RPTs User s Manual 7 RUNNING A TEST 7 1 OVERVIEW Running a test in CalTool refers to the process of setting a series of pressures reading the reference and the DUT at each pressure and logging the results to a Data File The Data File can then be used by the lt Data Manipulator gt to calculate new calibration coefficients and write them to the DUT if desired Running a test always includes three main steps O Initialization see Section 7 2 Specifies the Test Definition to be
77. e limitations The Test Data section of the Data File is followed by a delimited row describing each field in the section followed by a second delimited row containing units for each field The corresponding data logged for each test point is listed for the number of points in the Data File When multiple test cycles are run there are multiple Test Data sections in the Data File These sections are always ordered in the same way the test cycles were executed Table 27 Data File Test Data Section Fields DESCRIPTION The current test point in the test point sequence 1 2 3 In a multi cycle test the number of the current cycle precedes the test point number 1 1 The date the point was taken The date format is always YYYYMMDD Time the point data results were written to the Data File after averaging has completed The value is formatted as hh mm ss Avg Time The amount of time over which the data was averaged Point to point variances in this value are a result of systematic delays due to user and remote interactions Theoretically the averaging times are always the same however it is possible for the averaging time to end just as a new command is issued to a supported instrument The average will not complete until this value is returned Set Time Time elapsed from the time a pressure set sequence began and a pressure Ready condition occurred The Ready criteria are on the Test Definition Sequence tab see Sec
78. e sub directory named by Model y Data file sub directory named by Identification OK Cancel Figure 29 lt Options gt Data File Tab Table 23 lt Options gt Data File Tab Fields FEATURE DESCRIPTION lt Use long Data File Check this option to use the long Data File naming convention as name format gt described in Section 8 3 This feature is checked by default Although CalTool is a 32 bit Windows application Data Files may be stored on check box a network or other location that does not support the long file naming convention To avoid file name truncation uncheck this option to create default file names that are 8 characters or less lt Write protect all When this option is checked test Data Files are write protected complete Data Files gt Check this option to protect data gathered from completed tests Write protected files are not easily modified so this option helps to check box prevent accidental data corruption If this option is unchecked Data Files are NOT write protected lt Auto delete Data Files When this option is checked CalTool automatically deletes Data Files from incomplete tests gt that do not include at least one complete test cycle This avoids collecting partial Data Files for tests that are not completed check box If this option is unchecked a prompt for whether to delete the Data File or not appears whenever a test is aborted 2001
79. ecessary to view data that doesn t fit on the display The Data manipulator can be scaled and positioned just like other CalTool run windows E Accessing the lt Data Manipulator gt from the lt Test Complete gt window allows multiple Data Files resulting from a multiple DUT test to be accessed at the same time In this case printing saving and calibration activation menu options all provide an extra prompt to carry out the action on all open Data Files and DUTs w l When manipulating a Data File from a molbox or molbox RFM test the lt Calibration gt frame is labeled lt Upstream gt lt Downstream gt or lt microrange gt When a molbox1 or molbox RFM was tested with the lt Upstream downstream gt selection so that both the upstream and downstream RPTs were calibrated simultaneously there are two Data Files that need to be manipulated and activated separately y CalTool Data Manipulator File Calibration OUT St om GE EE Manufacturer DH A H Label Hydraulic Test Model PG7302 Operator JG Serial Number 180 Test Date Time 20010525 1 4 06 56 1 Avg Time s 8 Identification Piston 122 500 kPa kg Dwell Time s 30 Piston 2 H Pressure Unit kPa Mass Set 2889 Measurement Mode Absolute by ATM DUT er Calibration Model RPM3 430000 A6000 Serial Number 917 H Identification H Version Mer UU l Ref Prs 7 DUT Predicted Predicted kPa kPa ZFS Error DUT Prs DUT kPa
80. ed as left data shows what the DUT would have read if it had already had the new calibration coefficients when the test was run The exact calculations used to determine the new calibration coefficients and predicted as left data are described in Section 10 See the DUT Operation and Maintenance manual for detailed explanations of PA PM and Z Natural Error The new calibration information is displayed in the lt Calibration gt panel The predicted as left data is displayed in the two far right columns of the lt Output Data gt panel see Figure 41 The new calibration coefficients and predicted as left results can be saved in a Results File res printed in a calibration report and or activated to the DUT s When the lt Data Manipulator gt is started either the Data File from a test that was just completed is automatically opened or a standard Windows lt Select Data File gt window is presented so that the file to open can be selected Opening the Data File automatically causes the lt Data Manipulator gt to calculate and display new calibration coefficients and the predicted as left data No operator action is required for the data to be manipulated Page 95 2001 DH Instruments Inc H CalTool for RPTs User s Manual Once the lt Data Manipulator gt is opened use the toolbar and menu options to access all of its functions and features see Sections 9 2 and 9 3 Use the grid scroll bars as n
81. eference tab s fields and settings as well as instructions on how to use them are provided in Table 11 2001 DH Instruments Inc Page 42 CalTool for RPTs User s Manual Pressure Resolution Mass Loading Resolution Pressure Reference Measurement Mode Control Leak Test Cycle SevicePG i Absolute by Vacuum y Auto Rotate PG Mass M Auto Generate PG Pressure Auto Generate Dead Band fi Figure 17 lt Test Definition Editor gt Reference Tab Table 11 lt Test Definition Editor gt Reference Tab Fields DESCRIPTION lt Pressure Reference gt required dropdown selection list lt Pressure Resolution gt required dropdown selection list lt Mass Loading Resolution gt conditional dropdown selection list All references created with the Setup Reference main menu choice are available from a dropdown list Select the desired reference Other features on the Reference tab are enabled or disabled based on whether or not the reference is a DHI PG7000 set up for remote communication Determines the resolution with which reference and DUT pressure readings will be displayed and logged in the Data File The resolution is set by selecting the number of zeros to show after the decimal point This option is available for all pressure references Appropriate resolution for most references and DUTs is 10 ppm of full scale of the DUT Specifies the mass loading resolut
82. eptable use Calibration Activate Calibration to write the new calibration coefficients for the current range of the DUT see Section 9 2 Use File Save Calibration Results to create a Results File with all the as received and as left calibration information see Section 9 2 1 Use File Generate Report From Data to generate a calibration report if desired Then use File Save Report and or Print Report if desired see Section 9 2 1 CALIBRATING A PPC2 AF REAL TIME WITH A NON DHI PISTON GAUGE To calibrate a PPC2 AF with a non DHI piston gauge real time with CalTool assistance follow the steps below Setup the reference piston gauge using Setup Reference see Section 6 2 Create a new reference Select lt Other gt from the lt Manufacturer gt dropdown list 8 Use Setup Test to create a Test Definition defining the test that CalTool will run to take as received calibration data from the reference and the DUT see Section 6 3 The normal points sequence is 0 20 40 60 80 100 FS ascending and descending Page 13 2001 DH Instruments Inc 8 Run CalTool for RPTs User s Manual On the Test Definition Reference tab be sure to select the non DHI reference you set up in Step O On the Control tab select lt Manual gt from the lt Pressure Controller gt dropdown list the test using Run Run Test or by pressing the Run toolbar icon see Section 7 2 1
83. er of mass bell used to run the test if applicable Head Height Head correction height use in the test Head Medium Fluid used for head correction calculation Head Unit The units of measure of the Head Height value Ref Type Reference type descriptor The values are 10 Non DHI reference 0 PPC2 1 PPCK 5 RPM3 8 PPC2AF 9 PG7601 10 PG7607 11 PG7102 12 PG7202 13 PG7302 Local G PG7000 local gravity value Barometer ID Identification label of the barometer used in absolute by ATM mode if applicable 2001 DH Instruments Inc Page 86 CalTool for RPTs User s Manual H Table 26 Data File Header Format Continued SECTION DESCRIPTION Includes the information on the DUT that was tested multi DUT tests have one Data File for each DUT tested The following information concerning the DUT is logged in this section Manufacturer Manufacturer Model Model Serial Number Serial number Identification Identification field contents RPT Serial Number The serial number of the RPT that was calibrated Not all DUTs support this field Soft Rev DUT embedded software version DUT Type DUT type descriptor The values are 0 PPC2 1 PPCK 2 PPCK 3 PPC2 4 RPM1 5 RPM3 6 molbox1 7 molbox RFM 8 PPC2 AF Range DUT pressure range full scale value with pressure units Range ID ID of the DUT range that was tested The values are
84. er pressure condition generate warnings The warning message can abort the test continue the test with the current setup or allow the selection of a new pressure range Page 71 2001 DH Instruments Inc H CalTool for RPTs User s Manual wl Default lt Calibration Range FS gt values display when setting up a manual DUT each time a new lt RPT gt or lt Calibration Range gt value is selected l the lt DUT Setup gt form for molbox1 and molbox RFM has differences from the lt DUT Setup gt form for other products see Section 6 4 2 1 Gauge RPTs cannot be selected if the Test Definition specifies absolute measurement mode e If the DUT is not set up for remote communication AutoZ cannot be used when testing an absolute RPT in gauge measurement mode e Use the Copy Settings button to select the same lt Calibration Range gt and lt Use AutoZ gt selection for all DUTs in a multiple DUT test The Setup Options Initialize Test tab lt Use common settings for all DUTs gt option can be selected to automatically perform the same task This simplifies the setup of multiple DUTs of the same type DUT Setup 19800101 ver 1 00b fre 8 E ES EA oz d fha d Figure 32 Test Initialization DUT Setup gt Form 2001 DH Instruments Inc Page 72 CalTool for RPTs User s Manual DHi The lt Reference Setup gt screen is presented identifying the source of reference pres
85. ermine the normal calibration range if different from the default range proposed by CalTool conditional numerical entry field 2001 DH Instruments Inc Page 56 CalTool for RPTs User s Manual Gut Table 17 DUT Setup gt for molbox1 and molbox RFM Form Fields Continued DESCRIPTION lt PA gt conditional numerical entry field lt PM gt conditional numerical entry field lt Calibration Date gt conditional numerical entry field Activate Changes action button The pressure adder in Pascal See Section 10 3 and the DUT s Operation and Maintenance Manual for calibration coefficient information If calibrating the upstream and downstream RPTs simultaneously there is a separate PA for each one The DUT pressure multiplier See Section 10 3 and the DUT s Operation and Maintenance Manual for calibration coefficient information If calibrating the upstream and downstream RPTs simultaneously there is a separate PM for each one The last calibration date for the selected DUT range The value always displays as YYYYMMDD January 15 2001 is 20010115 When manually setting up a DUT enter the value in this format If calibrating the upstream and downstream RPTs simultaneously there are PMs for each one Used to activate edits made to lt User Calibration gt information A Editing lt User Calibration gt coefficients will alter the calibration of the device Do not edit and activat
86. es how many times the complete test pressure points sequence will be run see Section 6 3 4 4 weil Running two or three full scale pressure cycles prior to the test is recommended for DHI products The exercising sequence is set pressure to the cycle minimum set pressure to the cycle maximum set pressure back to the minimum repeat for the number of cycles that are specified vent system No measurement data is recorded during cycling sl the Skip Forward toolbar option can be used to skip pressure cycling This may be desired if a Test Definition that includes pressure cycling is aborted at some point after the pressure cycling and then the test is immediately restarted The purpose of the Cycle tab s fields and settings as well as instructions on how to use them are provided in Table 14 Page 49 02001 DH Instruments Inc CalTool for RPTs User s Manual Points Sequence Reference Control Leak Test Cycle Run Pressure Cycle Min Pressure psi lo Max Pressure psil 1000 Number Of Cycles BE Z Set Pressure Timeout 8 ha Abort Test On Failure Figure 20 lt Test Definition Editor gt Cycle Tab FEATURE Table 14 lt Test Definition Editor gt Cycle Tab Fields DESCRIPTION lt Run Pressure Cycles gt check box selection lt Min Pressure aaaaaaaa gt numeric entry field lt Max Pressure aaaaaaaa gt numeric entry field 2001 DH Instruments Inc
87. es selections to customize CalTool Each tab of the options form provides settings specific to one general function in CalTool The available tabs are e Initialize Test see Section 6 6 1 provides options related to test initialization e Run Test see Section 6 6 2 provides options related to running the test e Run Test Display see Section 6 6 3 provides options to customize the default displays shown when a test is run e End Test see Section 6 6 4 provides options that determine what CalTool does when a test is complete e Data File see Section 6 6 5 provides options to determine the naming convention data delimiter and file path of test Data Files created when tests are run 6 6 1 INITIALIZE TEST TAB The Options Initialize Test tab selections are primarily used to turn ON and OFF the steps required in test initialization Steps are checked or unchecked to turn them ON or OFF All options can be unchecked to completely omit test initialization when the same user will repeatedly run the same test using the same pressure reference In this case after the first test is executed the only initialization step after Run Run Test is selected is to specify the DUT range Table 19 describes each of the Initialize Test tab options in detail The options are listed in the order they occur during test initialization 02001 DH Instruments Inc Page 58 CalTool for RPTs User s Manual Initializ
88. esigned to act as a software interface to the front panel of the PPC Use the toolbar icons in the same way the PPC front panel buttons are used Features are also provided to control the test parameters and change the test target pressure see Table 5 wl Hold down the up or down arrow icons by holding down the right mouse key to continuously increase or decrease the pressure Release the icon to stop the pressure change EE PPC2 A1500 40100 SN 410 of xi Pressure ATM Range Target Pressure Stability Setting Hold Limit stow Figure 9 lt PPC gt Run Window Page 27 2001 DH Instruments Inc CalTool for RPTs User s Manual Table 5 lt PPC gt Run Window Fields LABEL ICON DESCRIPTION Circular Indicator Green when the PPC pressure is Ready and red when the pressure is Not Ready Refer to the PPCx operation and maintenance manual for complete information on PPC Ready Not Ready conditions lt Target Pressure gt The last set target pressure Enter a new target pressure and press the computer s Enter key to set a new pressure with the PPCx lt Hold Limit gt lt Stability Setting gt The active PPC hold limit Enter a new value and press the computer s Enter key to change the hold limit The active PPC stability setting Enter a new value and press the computer s Enter key to change the stability setting lt Target Limit gt The active PPC target limit Only PPC2 and PPCK pressur
89. esired specify the lt Calibration Range gt from the dropdown list edit the lt Calibration Range FS gt if necessary and click lt Use AutoZ gt to show an if you want the as received data to be taken with the DUT AutoZ ON Repeat for each DUT in a multi DUT test or press Copy Settings for all the DUTs to have the same range and AutoZ settings If the DUT data was taken with AutoZ ON be sure to check the lt AutoZ ON gt box and enter the value of lt ZOFFSET gt if remote communication with the DUT does not supply it If remote communication with the reference is not setup in the lt Reference Setup gt see Section 6 2 edit the lt Pressure Range gt lt Piston Cylinder SN gt lt Mass Bell SN gt lt Mass Set SN gt and lt Piston Cylinder KN gt to describe the piston gauge These fields are simple labels that will be logged into the test Data File they do not affect operation If remote communications with the reference are set up in the lt Reference Setup gt window select the appropriate piston cylinder mass loading bell and mass set In the lt User ID gt window identify the person running the test Follow the on screen prompts and instructions to run the test points see Section 7 3 1 When the lt Test Complete gt screen is reached select Manipulate Data see Section 7 4 4 2 4 Once in the lt Data Manipulator gt see Section 9 observe the predicted as left data If the data is acc
90. ess to the front panel controls 2001 DH Instruments Inc Page 24 CalTool for RPTs User s Manual H 5 5 6 1 PG7000 RUN WINDOW The lt PG7000 gt run window is used for all remotely enabled DH Instruments PG7000 piston gauges Based on the model and embedded software version of the PG7000 some features may be disabled or not included on the run window All relevant piston cylinder mass pressure and ambient conditions information displays real time in the run window Information on each of the lt PG7000 gt run fields is listed in Table 4 The lt PG7000 gt run window also includes a mini toolbar allowing direct control of certain PG7000 functions see the bottom of Table 4 Refer to the PG7000 Operation and Maintenance manual for complete information on PG7000 set up functions and displays Piston Position mm Fall Rate mm min Figure 8 lt PG7000 gt Run Window Page 25 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 4 lt PG7000 gt Run Window Fields and Icons LABEL ICON DESCRIPTION Circular Indicator Green when the PG7000 pressure is Ready and red when the pressure is Not Ready Refer to the PG7000 Operation and Maintenance for details on PG7000 Ready Not Ready conditions Rate at which piston rotation is decelerating rpm min lt Piston The temperature measured by the piston cylinder platinum resistance Temperature gt thermometer C lt Pressure gt
91. essure adder New PM As left result pressure multiplier New NatErr As left result natural error value ZOFFSET As left result ZOFFSET This value is always zero or not meaningful N M Calibration Date As left result calibration date Leak Test Includes information on the leak test if one was specified in the Test Definition see Section 6 3 4 7 If a leak test was not executed N A displays in all fields The following information is logged in this section Target Pressure Leak test target pressure Leak Time Actual leak test time in seconds DUT Start P DUT indicated pressure after pressure was set and the dwell time expired DUT End P DUT indicated pressure at the end of the leak test time Leak Rate Calculated DUT pressure leak rate Leak Limit Leak rate limit specified in the Test Definition Status Pass Fail status of the leak test Dwell Time Leak test dwell time in seconds 02001 DH Instruments Inc Page 88 CalTool for RPTs User s Manual DHi 8 4 1 DATA FILE FIELDS Table 27 identifies and provides information on Data File data fields logged when a test is run The data fields are repeated for every pressure point logged during the test The Data File contains information that is not included in reports or the lt Data Grid gt run window This information can be useful when troubleshooting but is not included in normal data displays due to spac
92. extra prompt displays to facilitate this step when the Calibration Activate option is selected see Section 9 2 2 When this option is not checked there is no prompt to apply the calibration to other ranges of an RPT E In most cases this option should not be checked Applying the calibration of a higher RPT range to lower RPT ranges defeats the purpose of multi ranging Check this option when only one RPT range will be calibrated and the other ranges should be identical to the calibrated range 6 6 5 DATA FILE TAB The Options Data File tab is used to set user preferences affecting the Data File dat which records the data from a test run see Section 8 1 Data Files can automatically be added to a hierarchical directory structure based on the characteristics of the DUT This is intended to simplify the location of completed test Data Files The purpose of the Data File tab fields and settings as well as instructions on how to use them are provided in Table 23 When selections are complete click OK to save changes Page 65 02001 DH Instruments Inc H CalTool for RPTs User s Manual Initialize Test Run Test Run Test Display End Test Data File Use long data file name format Iv Write protect all complete data files Auto delete data files from incomplete tests Data file delimiter Semi Colon X Root Data file directory E ASOFTWARESCalT ool Data Browse Major data fil
93. function Click OK when complete CalTool verifies that the selected reference range will support the test points specified in the Test Definition To avoid an error always make sure the reference range selected supports the test range settings displayed on the lt Test Range gt panel see Figure 32 Erroneous data may be logged if the reference device s characteristics are modified manually from the references front panel without restarting the test and re loading the reference information Always restart the test if front panel settings are changed on any CalTool automated device Page 73 2001 DH Instruments Inc H CalTool for RPTs User s Manual 5 Reference Setup Reference Informatior RPM1 1178 4vailable Reference Ranges SN112 200 kPa kg 89 100 00kq 5N122 500 SN1 0 MPa ka SN382 200 kPa kg Figure 33 Test Initialization lt Reference Setup gt Form The lt User ID gt entry screen is presented The last user ID can be accepted a new user ID may be entered or a previously entered user ID may be selected from the dropdown list If this step is unchecked on the Setup Options Initialize Test tab see Section 6 6 1 the screen is not shown and the last user ID selected is automatically used Any time a new user ID is entered it is automatically added to the user ID list Names can be removed from the list using the Setup Options Initialize Test tab Figure 34 lt User ID
94. gauge RPTs when AutoZ is ON and for gauge mode calibrations of absolute RPTs For absolute mode calibrations with AutoZ ON and for DUTs that were set up manually this is the value of ZOFFSET read or entered during the DUT setup see Section 7 2 2 In this last case the value is a constant for all test pressures PATMOFFSET ATMOFFSET value logged for the pressure point for gauge mode calibrations of absolute RPTs This value is not used in any other calibration cases and is never used on DUTs that do not support AutoZ Page 103 2001 DH Instruments Inc H CalTool for RPTs User s Manual 10 3 DETERMINING PA AND PM To determine the new pressure adder PA and pressure multiplier PM a linear regression is performed on the factory and reference pressures The regression results in the lowest value of residual of error of the DUT factory pressures relative to the reference pressures The least squares best fit method is used for the regression See the section on PA and PM coefficients in the DUT Operation and Maintenance Manual for additional information on PA and PM and their determination Table 33 documents the equations used to calculate PA and PM depending on the measurement mode in which the calibration was run Table 34 defines the terms used in the PA and PM equations F When an RPT is zeroed in gauge measurement mode the pressure adder is canceled out Therefore the slope must be determined in such a way as to m
95. gure 39 Figure 40 Figure 41 CalTool for RPTs User s Manual 79 lt Test Complete gt Screen iieii i e a ia a ae dt dataci n 80 lt Data File Viewer gt A 91 lt ADUTSp nError gt Plotare eaae ea tica datada 93 lt View Calibration gt Form nn nn nn nn nnn AEAEE nn nn nn EEEE EE EEEn En eenen 94 6 02001 DH Instruments Inc Page vi CalTool for RPTs User s Manual ABOUT THIS MANUAL Manual Conventions This manual provides the information necessary to set up and run CalTool for RPTs software It also includes a great deal of additional information provided to help you optimize CalTool use and take full advantage of its many features and functions Before using the manual take a moment to familiarize yourself with the Table of Contents structure Section 2 will help you get started Section 4 provides quick tips and application examples Section 10 documents the calculations used by CalTool Other sections describe each of the main menu selections in detail Certain words and expressions have specific meaning as they pertain to CalTool for RPTs and DH Instruments products The Glossary see Section 11 is useful as a quick reference for specific terms and expressions as they are used in this manual and the CalTool program For those of you who don t read manuals go directly to Section 2 to install CalTool and then Section 3 for a summary of operating principles Later when you have questions
96. h Instruments PPC24F 41000 450 229 unknown Verl 02b 1 8 H1 300 0 psi 0 300 psi 0 20000911 239 e y Ref Prs DUT ZFS Error ca Mass ATM Prs Ge ZRH psi Se Error Load kPa GE ZRH Ge kg 006 2 600013 96 2226 ES 6 900108 96 2253 gt 399 894 13 80020 96 2219 7 S 599 829 20 70027 96 2198 27 82 26 Y E 27 60037 96 2143 27 77 26 993 579 0 all 34 50048 96 2115 2781 26 999 579 0 0 34 50048 96 2095 8 26 Figure 38 lt Data File Viewer gt Form Page 91 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 28 lt Data Viewer gt Toolbar ICON DESCRIPTION Open Data File Used to open a different Data File to view This function is disabled when the Data File is being viewed from the lt Test Complete gt screen see Section 7 4 toolbar icon Open Data File Used to print the Data File that is being viewed using the standard Windows print function and the current default printer S toolbar icon Toggle Grid Toggles the display of the lt Data Grid gt run window see Section 5 5 3 If E the Data File is incomplete this option is disabled toolbar icon 8 5 1 PLOTTING TEST DATA The Data Plot Data File option is used to display DUTSpan Error plots of as received and predicted as left data from Data dat and Results Files res Data Files display as received errors only while Results Files display both as received and as left er
97. he lt DUT Setup gt form displays with information corresponding to all DUTs see Section 6 4 2 Settings for each DUT in multiple DUT tests can be viewed by selecting the tab that corresponds to the DUT serial number identification or position The information displayed on the tab depends on the first available piece of information serial number identification or position The DUTs are always ordered based on the setup in the lt DUT Selection amp I O Setup gt form Select the desired lt Calibration Range gt If you are calibrating the range over a range of pressure other than the standard range edit the lt Calibration Range Full FS gt to reflect the actual range so that CalTool will calculate errors and tolerances correctly Check lt AutoZ On to run the test with the DUT s Autoz turned ON or uncheck it to turn AutoZ OFF see the DUT s Operation and Maintenance Manual for additional information on AutoZ All other fields except lt Identification gt are disabled and cannot be changed Fill in and edit the fields as necessary Make sure pressure adders PA are entered in Pascal and that the lt Calibration Range FS gt is entered in the pressure specified for the test in the Test Definition Press OK to continue after all selections have been made See the DUT Operation and Maintenance Manual for complete information on DUT calibration coefficients DUT pressure range selections that are not supported or may result in an ov
98. he DUT and enter the corresponding settings The interface setup is identical to the interface setup in the lt DUT Interface Setup gt window see Section 6 4 1 Use the lt Manual gt selection if CalTool will not read the DUT remotely in which case all DUT calibration information and readings must be entered manually When all DUTs have been set up press OK wel Use the Tab key to move horizontally between columns and from the last column to the next DUT line in the lt DUT Selection amp UO Setup gt window Up to 15 DUTs of different types using different interface settings can be used in one test Use the scroll bar or arrow keys to move up and down the DUT list 2001 DH Instruments Inc Page 70 CalTool for RPTs User s Manual H DUT Selection amp 1 0 Setup xi Clear All DUT s DUT Type Identification Interface Type Interface Settings eer zl pras fee y apes 0 E EN aa a Rsa AN 4 D Manual None Figure 31 lt DUT Selection amp I O Setup gt Form CalTool reads the DUT calibration information from all remote DUTs based on the interface selections If an interface or setup error occurs program control is returned to the lt DUT Selection amp I O Setup gt form Interface errors typically occur when an instrument s remote cabling is not properly connected or the interface settings don t match the actual settings in the DUT Calibrations of gauge RPTs in absolute mode is not supported O T
99. heck box the reference and log them in the test Data File Leave unchecked if remote communications with the reference are not available 2001 DH Instruments Inc Page 76 CalTool for RPTs User s Manual H 7 3 DATA ACQUISITION The data acquisition step of test execution begins after the test initialization step see Section 7 2 is complete The data acquisition step can be considered actually running the test This section details the steps required to run an automated test using the Run Run Test menu option or the Start toolbar icon Manual test are a highly simplified version of automated tests The pressure of all active DUTs and the test pressure reference must be entered manually for the number of points specified during test initialization see Section 7 1 for the definition of automated and manual tests el test procedure for automated tests is defined by the selected Test Definition see Section 6 3 Prior to running a test various aspects of run test behavior may be customized see Section 6 6 A test that is running can be aborted at any time by clicking the Abort Test toolbar icon Before aborting the test CalTool requires confirmation and queries whether the partial Data File containing the data collected for the test to this point should be saved El While running a test many of the main menu options are disabled but the toolbar is active Use the toolbar buttons to view detailed DUT or Test Definition inf
100. hese effects to dissipate Typical leak test times are from a minimum of about 30 seconds to a maximum of about 5 minutes numeric entry field lt Abort Test On The selection determines whether test execution will continue if the leak test fails Failure gt i e a set pressure timeout occurs or the leak rate limit is exceeded If the option is not checked the test will continue if the leak test fails and the failure will be indicated in the test Data File see Table 27 Otherwise the test will abort This option is sometimes disabled when running fully automated unattended tests to attempt to complete the test and gather test data even though the leak test failed Of course if the leak is too large the test may yield invalid test data check box selection 6 3 4 8 CYCLE TAB The Cycle tab is used to specify whether the DUT and test system will be pressure exercised at the beginning of the data acquisition step of test execution test see Section 7 3 and to define the exercising parameters Exercising occurs immediately following the leak test if included and just before the test pressure points begin Pressure is set to the lt Min Pressure gt immediately followed by the lt Max Pressure gt entry for the number of cycles selected El The Cycle function which is used to exercise the system before running test points should not be confused with the lt Number of Test Cycles gt on the Sequence tab which determin
101. icator displays the ID number of the Test Definition currently being edited This ID will change as the test sort order changes see Section 6 3 3 The edited test always displays in blue text in the Test Definition Selector see Section 6 3 3 Use these editing signals to locate the test that is being edited if necessary test Definitions can only be edited when CalTool is not running a test 6 3 1 CREATING TEST DEFINITIONS Use Setup Test to open the lt Test Definition Editor gt Use the New test toolbar icon to create a new Test Definition Edit the Test Definition as desired then press the Save icon to store it Any conflicts that exist will cause an error message to display Resolve the conflicts before re saving The Restore icon is nonfunctional when creating a new test since there is no previous state to restore to weil Familiarity with test execution sequence is necessary for proper creation of Test Definitions see Sections 3 and 7 for review wel If 8 Test Definition similar to the one that will be created already exists use the Copy toolbar icon to create a new Test Definition with the same characteristics Then make the edits specific to the new test Don t forget to change the lt Record Label gt prior to saving so that a new Test Definition is created 6 3 2 EDITING TEST DEFINITIONS Tests can be edited whenever CalTool is not running a test Use Setup Test to display the lt Test Definition Editor gt if
102. icients to the DUT if desired see Section 9 2 2 Create a calibration report if desired see Section 9 2 1 Using the automated data acquisition features of CalTool is recommended for general use All selectable DUTs and DH Instruments references support RS232 communications and the majority of them come standard with an IEEE 488 interface A computer equipped with one or more RS232 ports and or a National Instruments or CEC IEEE 488 card can be used to calibrate up to 15 DUTs at atime The same effort required to calibrate one DUT can successfully calibrate up to 15 when duplicate DUTs are available When full automation is not supported by the hardware available any combination of automated and manual operation is supported The reference and any DUT can both be used manually If all devices are manual or test data taken at another time is available it may be preferable to use a fully manual entry test see Section 7 2 2 to avoid the extra operator prompts associated with running a real time test sl Multiple DUTs can be calibrated at the same time using any combination of R5232 IEEE 488 and or manual entry interfaces Page 5 2001 DH Instruments Inc H CalTool for RPTs User s Manual Use Run Run Test or Run Manual Entry Test to run a test Realize that many aspects of the test can be controlled and customized using the features found in Setup Options see Section 6 6 Test initialization and execution defa
103. inimize the impact of the adder while still correcting the DUT This is done by forcing the adder to the average error at zero then determining the slope based on the adder This method of determining the slope and offset is always used for gauge mode calibrations For this reason gauge measurement mode calibrations must always begin and end with O Table 33 PA and PM Equations CALIBRATION PA AND PM EQUATIONS MEASUREMENT MODE Absolute Gauge mode 0 AN Parbo Pr D Peg when Force Standard 2 2 Regression option is NY P gt pl checked PA PM n PM gt Pinan Pa PAD Ps gt Py TS Psa Pract n Psra 2 02001 DH Instruments Inc Page 104 CalTool for RPTs User s Manual H Table 34 Definition of PA and PM Equation Terms VARIABLE DEFINITION Psta Reference pressure reading in the unit of pressure in which the test was run This value is read directly from the Data File and is not manipulated The subscripts 1 and n represent the first and last pressure points in the data file Factory pressure which is the DUT reading in the unit of pressure in which the test was run with the as received calibration coefficients backed out see Section 10 2 The subscripts 1 and n represent the first and last points in the data file PA New DUT pressure adder in the pressure unit of test The value is then converted to and expressed in Pascal PM New DUT press
104. into the lt Data File Manipulator gt New Data Files cannot be selected when the lt Data Manipulator gt is accessed from the lt Test Complete gt option at the end of a CH test toolbar icon Save Calibration Saves the calibration coefficients and predicted as left data into a Results Results File res The Results File is identical in structure to test Data Files except there are extra columns showing the predicted DUT pressure and corresponding error information that have been calculated by the lt Data Manipulator gt The Results File is the permanent record of a calibration toolbar icon the new calibration coefficients and the predicted as left data Results Files can be selected in place of Data Files in all CalTool functions When multiple Data Files are loaded into the Data Manipulator an extra prompt to save all Data Files into Results Files displays If Yes is selected all Data Files are saved as Results Files Otherwise only the active Data File is saved Page 97 02001 DH Instruments Inc H CalTool for RPTs User s Manual Table 29 lt Data Manipulator gt File Menu Selections Continued MENU ICON DESCRIPTION Print Data File Prints the raw test data of the active Data File Generate Report Displays a standard calibration report based on the Data File active in the From Data lt Data Manipulator gt Use the Close View button to return to normal opera
105. ion on the current point in a test and the status of an operation see Section 5 3 e Main Toolbar to access common test functions while a test is running see Section 5 4 e Several individual run windows that are available when running a test to provide real time data acquisition information on the corresponding device see Section 5 5 Page 15 2001 DH Instruments Inc y Gut CalTool for RPTs User s Manual CalTool for RPTs Ver 1 00 DH Instruments 2001 ex Setup ata Toolbar Window m La Am DUT Prs ZFS Error zl kPa E 598 068 0 002 Q 2744 960 0 001 0 5490 452 0 005 0 Counting down dwell time 10 Figure 1 Main Program Menu 5 2 MAIN MENU BAR The main menu bar is divided into five separate selections Each menu item is summarized below and covered in detail in various sections of this manual Run see Section 7 Use this choice to launch test execution Use Run Test for a test that will be run real time using a Test Definition and Manual Entry Test to enter test data manually outside the confines of a Test Definition Setup see Section 6 All of the program set up features are contained in this menu choice The ability to create references Test Definitions set up the supported IEEE 488 cards set run test preferences and test communications are the available choices Data see Section 8 Access tools to plot view and manipulate test Data Files Toolb
106. ion to be used when setting pressures with a PG7000 The selection does not affect the uncertainty on the pressure defined by the PG7000 This feature is disabled when the pressure reference is not a DHI PG7000 set up for remote communication A high resolution selection 0 01g allows the final set pressure to be as close as possible to the nominal target pressure but requires complex mass loading A lower resolution causes the final set pressure to be further from the nominal value but makes mass loading much simpler Generally mass loading resolution of 100g 0 1 kg should be used when the reference is a DHI PG7000 Page 43 2001 DH Instruments Inc CalTool for RPTs User s Manual Table 11 lt Test Definition Editor gt Reference Tab Fields Continued DESCRIPTION lt Measurement Mode gt required dropdown selection list lt Auto Poll PG Interface gt conditional check box lt Auto Rotate PG Mass gt conditional check box lt Auto Generate PG Pressure gt conditional check box lt Auto Generate Dead Band gt conditional numeric entry 2001 DH Instruments Inc Specifies the pressure measurement mode in which the test will be run The options are e Absolute by vacuum Absolute pressure is achieved by a standard whose output is absolute pressure Includes a piston gauge referenced to vacuum by evacuating a bell jar around the mass load Absolute by ATM Absolute pressure i
107. is selected a pop up appears for entry of the manufacturer name of the reference device A remote interface with CalTool is not supported for non DHI pressure references Defines the model of the reference device When the manufacturer is DH Instruments the dropdown list choices include all supported DHI pressure reference models All DHI models that have remote interfaces are supported by CalTool remote communications CalTool cannot communicate with non DHI references Page 31 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 6 lt Setup Reference gt Form Fields Continued FIELD BUTTON DESCRIPTION lt Serial Number gt required text entry field lt Identification gt optional text entry field lt Calibration Date gt optional text entry field lt Remote Interface gt dropdown selection list lt RS232 Settings gt conditional display panel lt IEEE 488 Address gt conditional entry field Communications Test action button 2001 DH Instruments Inc Write in the reference device s serial number The actual serial number of remote references can be verified at run time with a test initialization option see Section 6 6 1 Write in a device identification if desired The field can be used for internal tracking of devices or any other information desired The value entered will be included in the run test Data Files and is included in re
108. lization To make the maximum pressure VENT or the lowest value that can be set by a piston gauge place the cursor in the field and then press the computer s Insert key to call a dropdown list with these insert selections Page 50 CalTool for RPTs User s Manual DHi Table 14 lt Test Definition Editor gt Cycle Tab Fields Continued FEATURE DESCRIPTION lt Number of Defines the number of times the minimum maximum minimum pressure Cycles gt exercising cycle will be repeated numeric entry field lt Set Pressure Defines the amount of time in seconds before a timeout will occur when an Timeout s gt automated pressure controller is being used to set the exercise pressure If the controller is unable to set the exercise pressure within the timeout period cycling is aborted When setting the pressure the criteria used to determine if the pressure has been set are the same as for any other test point Whether the test will abort after a set pressure timeout is determined by the lt Abort Test On Failure gt setting see below in this table If pressure control is lt Manual gt or lt PG7000 gt the cycle set pressure timeout is ignored numeric entry field lt Abort Test On The selection determines whether test execution will continue if cycling fails a Failure gt timeout occurs when setting cycle pressure If the option is not checked the test will continue if cycling fails Otherwise
109. main menu selection to switch between them lt Output Data gt The first five columns contain as received data taken during the test from the Data section of the Data File see Table 27 The last two columns to the right contain predicted as left data calculated from the as received data using the information in the lt Data Manipulator gt lt Calibration gt section lt Calibration gt Calculated new pressure adder PA pressure multiplier PM and ZNATERR if applicable These values are calculated based on the test data to optimize the as left data see Section 10 for detailed information on the calculation of new calibration coefficients 2001 DH Instruments Inc Page 100 CalTool for RPTs User s Manual 10 CALCULATIONS 10 1 OVERVIEW This section describes the mathematical manipulations used by CalTool to determine new calibration coefficients and predicted as left data The predicted as left data is the result of applying the new calibration coefficients to the DUT readings taken during the test so the predicted as left data shows what the DUT would have read if it had already had the new calibration coefficients The coefficients used include PA Pressure Adder PM Pressure Multiplier ZOFFSET ZNATERR and ATMOFFSET All coefficients that are pressure values are expressed in the pressure unit Pascal Pa but are applied mathematically in the current measurement unit when c
110. n Editor gt Cycle Tab Fields oooooiocccnnnnnnnnncococncnnnnoconnnoncccnnnncnnnnnnoncnnnnnnnns 50 lt DUT Interface Setup gt Fields nn nnnn cnn nnnnnnnnnnncnnn 52 lt DUT Setup gt Form 54 lt DUT Setup gt for molbox1 and molbox RFM Form Fields 56 SIEEE 488 Card Setup gt Form Fieldsi pieun licor ea aaae aaa aa e eaa 58 lt Options gt Initialize Test 59 lt Options gt Run Test Tab Fields 7 61 lt Options gt Run Test Display Tab Fields ooooooninciccncnnnnnnnnncocccnconccnnnnnnonccncnnnnnnnnnnoncnnnnnnnns 63 lt Options gt End Test 7 7 65 lt Options gt Data File Tab Fields cnn nnnnnrnnnnnn 66 lt Manual Test Setup gt Entry Form Fields 76 lt Test Complete gt Screen Options ccccececceccece cece eeceeeeeeeeeeeeecaaeceeeeeeeseseeceeeeeeeeessesnaeees 80 Data Fil Header Formati deren add pita 85 Data File Test Data Section Fields ooooooocccncncnnnnococcccncnccnnnnononccnncnnnnnnnoncnnnnnnnnnnnn nn nnnnnnnnnnnns 89 lt Data Viewer gt Toobali sin nr aaae dt Ven d e ti nati 92 lt Data Manipulator gt File Menu Selections ocoonnnnccnonnniccninnccccnnnonnncnonanancnanarnnrrnnnr nn 97 lt Data Manipulator gt Calibration Menu Selections oooonncccnnnnnccninoniccnnnonnccnnannnnnanananrnnnnno 99 Factory Pressure EQquationS cid cc 103 Definition of Factory Pressure Equation Temms nan n nano nn nrnnnn rca 103 PA and PM
111. n that is equipped with automated pressure generation Specifies how close to the mid stroke position the piston should be set when the lt Auto Generate PG Pressure gt option is selected By default the value is 1 5mm Page 44 CalTool for RPTs User s Manual H 6 3 4 6 CONTROL TAB The lt Test Definition Editor gt Control tab is used to specify how pressure will be controlled to set pressure points during the test If a DHI PG7000 is the pressure reference it is assumed that the PG7000 is the pressure controller In this case there are no selections to make on the Control tab In all other cases select the device that will be used to control the pressure then specify the appropriate control settings only use the lt Reference gt control setting when a reference set up for remote communication will control the pressure automatically Use lt Manual gt if the reference is controlling the pressure but is not set up for remote communication with CalTool eE If the pressure control criteria set for the device controlling pressure are not met within the lt Control Timeout gt a t is logged in the lt Status gt column of the Data File An R is logged if the Ready condition of a remotely enabled DUT is not met see Table 27 The purpose of the Control tab s fields and settings as well as instructions on how to use them are provided in Table 12 Leak Test Cycle Points Sequence Referen
112. nal aspects of running a test A description of each feature on this tab is listed in Table 20 02001 DH Instruments Inc Page 60 CalTool for RPTs User s Manual Initialize Test Run Test Run Test Display End Test Data File Use common manual reference pressure for multiple DUTs Iv If pressure not ready occurs while averaging No Action y Default Interface Settings Default DUT Display Unit kPa DI Defautl DUT Type JRPM3 DI Interface Type R5232 IEEE 488 Address fio 5232 Setting fi 2400 E 1 OK Cancel FEATURE Figure 26 lt Options gt Run Test Tab Table 20 lt Options gt Run Test Tab Fields DESCRIPTION lt Use common manual reference pressure for multiple DUTs gt check box lt lf pressure Not Ready occurs while averaging gt dropdown selection list Affects how reference readings are taken when reference readings are entered manually and multiple DUTs are being tested If the box is checked a single reference pressure entry will be used as the common reference reading for all the DUTs If the box is not checked an individual reference reading must be entered for each DUT This setting has no effect if the reference device is read remotely and or the test is not a multiple DUT test Determines what action to take if a Not Ready condition occurs while reading and averaging data at a test point In all cases an R
113. nces this value is N A ATM Offset The effective ATM Offset value used when the point was logged This value is logged only when an absolute RPT is calibrated in gauge mode and AutoZ is turned on F tne Data File fields below are logged only if the pressure reference is a DHI PG7000 setup for remote communication Mass Load True mass load on the PG7000 in kg Do not confuse this with the nominal mass load prompts See the PG7000 Operation and Maintenance Manual for complete information on PG7000 mass loading protocol ATM Prs Atmospheric pressure kPa measured by the PG7000 on board barometer Ambient temperature C measured by the PG7000 on board PRT Ambient humidity RH measured by the PG7000 on board humidity sensor PC ID Serial number of the PG7000 piston cylinder used to take the data point This can change within a test if the Test Definition specifies a piston cylinder change PC KN KN nominal pressure to mass relationship of the piston cylinder used to take the data point This can change within a test if the Test Definition specifies a piston cylinder change Mass 1D Serial number of the PG7000 mass set used to take the point 2001 DH Instruments Inc Page 90 CalTool for RPTs User s Manual H 8 5 VIEWING A DATA FILE CalTool has a built in tool to view test Data Files in their raw format Use the Data View Data File option to directly view the contents of a test Date File see
114. ne describing the section followed by a delimited line describing each field of the section followed by a line with actual data for the section All sections up to the test data are considered the Data File Header The Data File Header is described in Table 26 Results Files res created by the lt Data Manipulator gt see Section 9 1 are identical in structure to Data Files except there are three extra columns of data The structure of the all the other data is identical in the two types of files The data in a Data File may be delimited by commas tabs or semi colons see Section 6 6 5 The default choice is semicolon data delimiters The data delimiter for future Data Files can be changed using the Setup Options Data File tab The CalTool functions that use Data Files adapt automatically to the delimiter used in the Data File When using a third party application be sure to choose the appropriate delimiter prior to importing the data 2001 DH Instruments Inc Page 84 CalTool for RPTs User s Manual DHi viewing a Data File is the easiest way to become familiar with Data File formatting see Section 8 5 A the Data File delimiter must not be a character that is used in any entry field or delimiting will be incorrect Table 26 Data File Header Format SECTION DESCRIPTION Run Information No The first 3 lines of the Data File include the CalTool program name and Section Title first 3 lines version Data
115. ngs and display the responses Changes to interface settings made in Setup Remote Communications are temporary If changes were necessary to establish communications these changes must be made in the device s hardware setup Import CalTool Data Files into Excel From within Excel select File Open locate and select the CalTool Data File that you would like to import Excel will open the Text Import Wizard Select the Delimited option and the Next button Choose the semicolon delimiter or other selected delimiter see Section 6 6 5 and complete the action by pressing the Finish button Be careful that you do not overwrite your CalTool Data File with an Excel written file as the overwritten file will no longer be compatible with the CalTool lt Data Manipulator gt Change piston cylinders in the piston gauge reference between points in a calibration Insert a lt Piston cylinder change into the Test Definition Points table see Section 6 3 4 2 02001 DH Instruments Inc Page 8 CalTool for RPTs User s Manual H Include in a test a point that is the lowest point that can be set by the piston gauge Insert a lt Minimum Pressure Point gt into the Test Definition Points table see Section 6 3 4 2 Make a point in a test that is not a set pressure but just a vented condition Insert a lt Vent Point gt into the Test Definition Points table see Section 6 3 4 2 Restore a device under test to its
116. nonniccccnnncinnnococccoccncnncnnononccnnnnnnnnnnnnnnnnnnnnn rca ana EEEn Ennen EEEE Ennen nt 34 lt Test Definition Editor gt Toolbar cece eeeececacaeceeeeesesecsaeaeeeeeeesetenaees 35 lt Test Definition Editor gt Points Table 37 lt Test Definition Editor gt Points Tab 39 lt Test Definition Editor gt Sequence Tab 41 lt Test Definition Editor gt Reference Tab 43 lt Test Definition Editor gt Control Tab 45 lt Test Definition Editor gt Leak Test Tab 48 lt Test Definition Editor gt Cycle Tab 50 lt DUT Interface Setup gt Fomm 52 gt ESIa o E EEN 53 lt DUT Setup gt Form for molbox1 and MOIDOX c ooooooccccccconcocononcccncconnnonononcnnnnnnnnnnnnncnncnnnnnnnnnnnno 56 lt IEEE 488 Card Setup gt Fom nn nn cnn nnn rana nnn EEEn Ennen EEEE Ennen nt 57 lt Options gt Initialize Test Tab 59 lt Options gt Run Test Tab 61 lt Options gt Run Test Display Tab 63 lt Options gt End Test 0 64 lt Options gt Data File 66 lt Remote Communications gt Tool 68 lt DUT Selection 0 71 Test Initialization DUT Setup gt Fom nn nn cnn nnnnnnannnnnnn 72 Test Initialization lt Reference Setup gt Form no nn nn ncnnnnannnnnnnnos 74 SUser ID gt Entry ias 74 lt Manual Test Setup gt Entry FOM nan n nono cnn ran n nara rca nn rra 76 Page v 02001 DH Instruments Inc Gut Figure 36 Figure 37 Figure 38 Fi
117. ntenance Manual The value at which automated pressure control attempts to set and maintain the pressure Target Limit The limit within which pressure must be set in static control mode Applies to DHI PPC2 and PPCK Pressure Controller Calibrators only See the PPC Operation and Maintenance Manual Test Definition A database record which defines all the aspects of a test procedure used by CalTool to testa DUT Selecting a Test Definition is the first step of running a test Tolerance Same as DUT tolerance ZNATERR The disagreement between the RPT indication and ZSTD at the AutoZ pressure just after the RPT has been calibrated See the DUT s Operation and Maintenance Manual for complete information on AutoZ and its variables ZCURERR The disagreement between the RPT indication and ZSTD at some time after the RPT has been calibrated See the DUT s Operation and Maintenance Manual for complete information on AutoZ and it s variables ZOFFSET ZCURERR corrected for ZNATERR this is the value used to AutoZ the RPT See the DUT Operation and Maintenance Manual for complete information on AutoZ and it s variables The value indicated by the device used as the reference in determining ZNATERR or ZCURERR See the DUT s Operation and Maintenance Manual for complete information on AutoZ and it s variables Page 111 02001 DH Instruments Inc CalTool for RPTs User s Manual NOTES 02001 DH Instruments Inc Page 112
118. nts Inc Determines whether a leak test will be run at the beginning of a test or not If the option is checked a leak test will be run Otherwise a leak test will not be run and the rest of the Leak Test tab is disabled Defines the pressure at which the leak test will be run aaaaaaa depends on the point type specified in the Points tab see Section 6 3 4 3 If the point type is lt Pressure Unit gt the value entered will be interpreted as a pressure in the pressure unit and measurement mode of the Test Definition If the point type is lt DUTspan gt the value entered will be used to calculate the leak test pressure from the DUT span of the first DUT setup Defines the amount of time in seconds for which automated pressure control will try to set the leak check pressure before a timeout occurs If the controller is unable to set the leak test pressure within the timeout period the leak test is aborted When setting the pressure the criteria used to determine if the pressure has been set are the same as those used when setting pressure for any other test point Whether the test will continue on timeout is determined by the lt Abort Test On Failure gt setting see below in this table If pressure control is lt Manual gt or lt PG7000 gt the leak test set pressure timeout is ignored Defines the leak test pass fail criterion aaaaaaa depends on the point type specified in Points If the point type is lt Pressure Unit gt
119. nts Inc ig View Calibration CalTool for RPTs User s Manual Generated 2001 April 17 Header Manufacturer 2001 DH Instruments Inc 12 57 DH Instruments 1 13 5 15 H1 300 psi 0 29 Pa 1 579519 720010905 74 051 Pa 70 0 Pa H2 700 psi 0 761 Pa 1 014018 20010905 7 867 Pa 0 0 Pa SN 705 RPM3 A1000 G0015 Calibration Informatior Figure 40 lt View Calibration gt Form Page 94 CalTool for RPTs User s Manual 9 DATA MANIPULATOR 9 1 OVERVIEW The CalTool Data Manipulator gt is a CalTool subprogram that is launched by selecting Data Manipulate Data from the CalTool main menu or from the lt Test Complete gt screen see Figure 7 4 Typical use of the lt Data Manipulator gt in sequence is to O View and evaluate test results e Activate new calibration coefficients Print a calibration report O Save a Results File The lt Data Manipulator gt calculates new calibration coefficients and corresponding as left data from the test data contained in a CalTool Data File The new calibration coefficients are the pressure adder PA and pressure multiplier PM that adjust the DUT readings to fit to the reference pressures as well as possible Calibration coefficients also include the calculated Z Natural Error ZNATERR The predicted as left data is the result of applying the new calibration coefficients to the DUT readings taken during the test so the predict
120. ny places throughout CalTool This is a generic window that allows a specific type of DUT and corresponding interface to be selected When the correct selections are made CalTool establishes remote communication with the DUT and goes to the lt DUT Setup gt form see Section 6 4 2 The purpose of the lt DUT Interface Setup gt display fields and settings as well as instructions on how to use them are provided in Table 15 Page 51 2001 DH Instruments Inc Gut CalTool for RPTs User s Manual 5 DUT Interface Setup EN DUT Type rav Interface R5232 v 5232 Port fi 5232 Settings 2400 E 7 1 Figure 21 lt DUT Interface Setup gt Form Table 15 lt DUT Interface Setup gt Fields lt DUT Type gt Select the DUT type from the list of all supported DUTs The selected DUT must have an RS232 or IEEE 488 connection to the host computer corresponding to the lt Interface gt selection If the wrong lt DUT Type gt is selected or remote communication cannot be established an error will occur dropdown selection list lt Interface gt Defines the interface to use for communication with the DUT The interface deena parameters will change based on the lt Interface gt selection The available ropdown selections are selection list e RS232 The DUT must have an RS232 cable connected from its COM1 port to an RS232 Port on the host computer The lt RS232 Port gt selection must correspond to the RS232
121. o be the CalTool main run screen Information on each of the lt DUT Reference Comparison gt run window fields is provided in Table 3 RPMS 5 RP M 3 Figure 7 lt DUT Reference Comparison gt Run Window Page 23 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 3 lt DUT Reference Comparison gt Run Window Fields LABEL DESCRIPTION Red or Green The pressure reference Ready Not Ready indicator The circle is green Circular Indicator when the pressure is set and stable within the defined Ready criterion and red when Not Ready Red or Green DUT in or out of tolerance indication The square is green only when the Square Indicator instantaneous pressure error is within the tolerance specified in the Test Definition Sequence tab see Section 6 3 4 4 lt Reference gt Instantaneous reference pressure in the specified test pressure unit If the reference is a PG7000 Piston Gauge no pressure value is displayed unless the PG7000 is in Ready condition When the PG7000 is Not Ready or in manual entry lt gt displays in the field lt DUT s gt The instantaneous DUT pressure labeled by the model of the DUT followed by the DUT s serial number The display is repeated for all active DUTs The DUT pressure always displays in the pressure unit specified in the Test Definition Sequence tab see Section 6 3 4 4 lt Error DUT percent of span error for each DUT The error is updated with
122. o pause the test as needed Repeating test points after a new test pressure has been set can affect the hysteresis of the RPT When possible try to repeat test points before setting the next test pressure Avoid having to go through undesired initialization steps each time a test is started Use the Setup Options Initialize Test tab to set preferences to include or exclude the various test initialization steps see Section 6 6 1 Abort a test that is running Press the Abort key on the main toolbar see Section 5 4 1 or use the corresponding Toolbar menu option Check the DUT s information or determine what Test Definition is being used while a test is running Click on the View DUT or View Test toolbar icons to cause the DUT or Test Definition screens for the current DUT or test to appear without affecting test execution Close or move the display to view the previous run windows see Section 5 4 2 Page 7 2001 DH Instruments Inc H CalTool for RPTs User s Manual Repeat the same test several times without having to pause or restart the test Specify multiple test cycles in the Test Definition In the Sequence tab of the Test Definition see Section 6 3 4 4 specify a number greater than one under lt Number of Test Cycles gt The complete pressure point sequence will run for the number of times specified without initializing between runs Change the default RS232 port for reading DUTs so that don
123. of how the test points of a test will execute This includes defining dwell and data reading parameters as well as the number of times to run the test number of cycles The purpose of the Sequence tab s fields and settings as well as instructions on how to use them are provided in Table 10 Familiarize yourself with CalTool test running principles before creating or editing a Test Definition see Section 3 Points Sequence Reference Control Leak Test Cycle Test Pressure Unit bet eee y Dwell sl 0 0 Timed sl Averaging Time s la o Number of Test Cycles h Test Tolerance ZDUT Span om Force manual data acquistion Figure 16 lt Test Definition Editor gt Sequence Tab Table 10 lt Test Definition Editor gt Sequence Tab Fields FIELD DESCRIPTION lt Test Pressure Unit gt dropdown selection list lt Dwell gt required entry field and dropdown selection list lt Averaging Time gt required entry field and dropdown selection list The pressure unit of measure selected is the unit of measure in which the test will be run Any manual pressure entry information must be in this unit CalTool automatically changes the active pressure unit of any automated reference or DUT to the unit selected Dwell is a pause that occurs at each pressure point following Ready testing and prior to taking test data When lt Dwell gt is set to lt Timed gt CalTool dwells at each test point
124. ontroller Calibrator in which the controller continuously adjusts pressure to stay at the target pressure value See the PPC Operation and Maintenance Manual The disagreement between the DUT indication and the pressure measured by the reference The error is always calculated using DUT reference Factory Pressure The pressure indicated by an RPT with no calibration coefficients or AutoZ applied Factory pressure is used in the lt Data Manipulator gt calculations Abbreviation of full scale The full scale value is the maximum value or the span of a measurement range Limits and specifications are often expressed as FS The difference in pressure corresponding to a difference in height between the reference and the DUT Hold Limit A boundary limit around the target pressure value within which the pressure must be maintained for a Ready condition to occur Applies to DHI PPCx Pressure Controller Calibrators See the PPCx Operation and Maintenance Manual Adjust pressure slightly at a pressure point prior to taking DUT and reference readings at the point Leak Check or Leak A process by which a pressure is set in the test system and then allowed to evolve Test freely The decay rate of the pressure over time is used as an indication of the leak present in the system CalTool Test Definitions can include a leak check at the start of the test Manual Control Indicates in a test procedure that the pressure will not be controlled in re
125. oolbar Run Test This function is identical to the Run Run Test menu selection see Section 7 2 1 This is the only enabled Toolbar option when CalTool is in an idle state toolbar icon Step Back Causes the current test point to be interrupted and the test point sequence to step back to the most recent set pressure step Subsequent clicks within 1 5 second Hd cause the test to step back one point for each click This tool is used to repeat points when needed toolbar icon Step Forward Causes the current test point to be interrupted and the test point sequence to step forward to the next step in a point sequence To ensure that data is logged at each HH point step forward can only be used up to the data acquisition step of the highest point executed Most often this tool is used to skip over previously executed points when the step back key has been used to go back several points toolbar icon Pause Suspends remote communications with all instruments being used by CalTool and pauses any test timers e g dwell time Use this feature to pause operation for example to delay the start of readings at a point or to allow front panel access to an instrument after a test has started To resume operation click the Pause icon toolbar icon again Abort causes the lt Abort Test gt confirmation pop up to appear to abort the test that is running When a test is aborted a prompt as to whether to save the
126. option to display the run window corresponding to the controlling PPCx The PPCx control functions should be used to set and adjust pressure as needed to float the PG7000 piston b Dwell at the pressure point CalTool counts down the dwell time specified on the Test Definition Sequence tab see Section 6 3 4 4 Dwell time is included to allow the system to stabilize at the test pressure prior to taking test data at the point c Take data at the pressure point The reference and the DUT s are read as many times as possible over the averaging time specified on the Test Definition Sequence tab see Section 6 3 4 4 Reference and DUT reading are automated if these are set up for remote communications If not data entry is manual see Section 7 3 1 The readings and other information relating to the pressure point are logged to the test Data File 02001 DH Instruments Inc Page 78 CalTool for RPTs User s Manual H 7 3 1 MANUAL ENTRY DATA ACQUISITION When lt Manual gt is selected as the DUT data acquisition in the initialization lt DUT Selection amp I O Setup gt screen see Section 7 2 1 or the reference device specified on the Test Definition Reference tab cannot be read remotely the lt Manual Pressure Entry gt screen displays to enter data at each test point when running a test Enter the output of the DUT and or reference pressure as required All entries must be in the pressure unit specified in the Test Definition Seq
127. or gt CalTool uses a number of other calculations These calculations are defined in Table 37 and their variables identified in Table 38 Table 37 Miscellaneous CalTool Equations CALCULATION OF EQUATION DUTSpan Ge 6 DUT Tolerance ee 6 6 9 DUTSpan Error Pour Pres x100 E Span 7 PbuTspan Rdg Error P P S ge r Page 107 02001 DH Instruments Inc H CalTool for RPTs User s Manual Table 38 Miscellaneous Equation Terms VARIABLE DEFINITION PbuTsSpan The difference between the maximum and minimum DUT pressures This value differs from the DUT full scale pressure only when the minimum defined pressure is a value other than 0 Maximum DUT pressure Minimum defined DUT pressure 02001 DH Instruments Inc Page 108 CalTool for RPTs User s Manual 11 GLOSSARY Absolute As in absolute pressure Pressure expressed relative to vacuum Measurement mode in which the RPT indicates absolute pressure difference from vacuum Refers to test data after new calibration coefficients have been applied which predicts the condition of the DUT after the calibration or as left The CalTool lt Data Manipulator gt manipulates as received data to determine new calibration coefficients and then applies the new coefficients to arrive at predicted as left data as received Refers to test data taken with the DUT in as received condition befor
128. or the Data File see Section 8 3 A standard file box showing the default directory and file name display These can be rewritten as desired display panel action button View Test Data Used to review raw test data immediately following test completion without exiting the test completely The lt Data File Viewer gt appears with the selected Data File open This is functionally equivalent to selecting Data View Test Data for the Data File from the test that has just completed see Section 8 5 action button Manipulate Data Activates the lt Data Manipulator gt with all Data File s from the test loaded see Section 9 Regardless of the actions taken in the lt Data Manipulator gt operation returns to the lt Test Complete gt window when the lt Data Manipulator gt is exited This makes it possible to activate a calibration then directly repeat the test using Re Run Test to verify the calibration if desired action button 02001 DH Instruments Inc Page 80 CalTool for RPTs User s Manual DHi Table 25 lt Test Complete gt Screen Options Continued FEATURE BUTTON DESCRIPTION Re Run Test Used to rerun the same Test Definition on the same DUT s going directly to the data acquisition step without repeating the test initialization step see action button Section 7 1 This option should not be used if front panel settings are modified on any of the devices that are read remotely by
129. original or another condition after having activated a calibration If you are still in the lt Data Manipulator gt with the Data File that was activated loaded use Calibration Restore Calibration see Section 9 2 2 If not use Setup DUT see Section 6 4 or direct entry through the DUT front panel entry see the DUT Operation and Maintenance Manual 4 2 APPLICATION EXAMPLES 4 2 1 CALIBRATING AN RPM3 PPC2 OR PPCK REAL TIME WITH A PG7000 PISTON GAUGE AS THE REFERENCE To calibrate an RPM3 PPC2 or PPCK with a PG7000 piston gauge real time using CalTool follow the steps below Setup the PG7000 reference using Setup Reference see Section 6 2 Create a new reference Select DH Instruments from the lt Manufacturer gt dropdown list Select the appropriate PG7000 model from the lt Model gt dropdown list Select the interface your computer will use to communicate with the PG7000 from the lt Interface gt dropdown list 8 Use Setup Test to create a Test Definition defining the test procedure that CalTool will run to take as received calibration data from the reference and the DUT see Section 6 3 The normal points sequence is 0 20 40 60 80 100 FS ascending and descending If running an absolute measurement mode test edit the lt Points gt table replacing zero with the lowest pressure available from the PG7000 On the Test Definition Reference tab be sure to select the PG7000
130. ormation while the test is running to step test points back or forward abort the test or view other data acquisition related run windows see Section 5 4 All available run window tools can also be used as needed throughout the test The run test sequence is as follows O Run leak test If a leak test is specified in the Test Definition see Section 6 3 4 7 the leak test is run Pressure is set to the leak test pressure and maintained for the leak dwell time How pressure is set is controlled by the Test Definition Control tab see Section 6 3 4 6 If the pressure is being set manually note that there is no reason to set the pressure precisely Pressure control is then aborted once the leak test pressure is set and the pressure readings of all DUTs is logged The leak test time counts down then all DUT pressures are again logged and the test pressure is vented The leak rate is calculated and leak test pass fail determined for each DUT If the leak test fails due to a leak test set pressure timeout or the leak rate limit is exceeded and lt Abort test on failure gt is checked in the Test Definition the test aborts Otherwise test execution continues Use the Step Forward icon to skip the leak test if desired O Run cycle s exercise DUTs If cycles are specified in the Test Definition see Section 6 3 4 8 exercising occurs now Pressure is set to the cycle lt Min pressure gt followed by the cycle lt Max pressure gt for the number of
131. ose and consequences 6 4 2 1 molbox DUT SETUP The lt DUT Setup gt form for molbox1 and molbox RFM is reached in the same manner and serves the save function as the standard lt DUT Setup gt form see Section 6 4 The main differences come from the fact that molboxes have unique RPT configurations two identical upstream and downstream RPTs and in some cases a microrange RPT When the lt Calibration Range gt selection is Upstream Downstream the display is changed to show both RPT calibrations at the same time The features of the lt DUT Setup gt window for molbox1 and molbox RFM as well as instructions on how to use them are provided in Table 17 A caiving lt User Calibration gt coefficients will alter the calibration of the device Do not edit and activate calibration coefficients unless you are thoroughly familiar with their purpose and consequences Page 55 2001 DH Instruments Inc H CalTool for RPTs User s Manual Header Upstream User Calibration DUT Model JRFM is PA o 00 Pa Serial Number f 32 EM 1 0000 Identification NA Calibration Date 120000508 YYYYMMDD Software Version en Ula Downstream User Calibration PA nm Pa PM 1 0000 Calibration Date 20000508 YYYYMMDD Calibration Range Calibration Range FS Close Activate ai Changes Figure 23 lt DUT Setup gt Form for molbox1 and molbox Table 17 lt DUT Setup gt for molbox1 and molbox RFM Fo
132. plete click lt OK gt to save changes QA Do not use the following characters in any text entry field lt gt a comma or tab character These characters will cause problems when importing the Data File fe Reference Setup Production PG Figure 10 lt Setup Reference gt Form 2001 DH Instruments Inc Page 30 CalTool for RPTs User s Manual yz Edit Reference EN Header Reference Record Label rez y Demod t i C s S Boss 777 Manufacturer Model Serial Number Identification Calibration Date Interface IEEE 488 y IEEE 488 Addres pen Communications Test Save Exit Figure 11 lt Edit Reference gt Form Table 6 lt Setup Reference gt Form Fields FIELD BUTTON DESCRIPTION lt Record Label gt required text entry field lt Manufacturer gt required dropdown selection list lt Model gt dropdown selection list This field is analogous to a file name The text entered should be a convenient label that makes the reference easily distinguishable from other references Up to 40 characters can be used in the field Defines the manufacturer of the reference device If DH Instruments is selected the lt Model gt list box is populated with all supported references An lt Other gt choice is also available Use lt Other gt to set up reference devices other than DHI models When lt Other gt
133. ports Any value may be entered No special formatting is expected or checked in this field however entering the date in a consistent format including the full year month and day is recommended Define your convention and be consistent This could be the date the reference was last calibrated or its next calibration due date The value entered is logged in the run test Data Files and is included in reports The choices available include lt None gt lt RS232 gt and lt IEEE 488 gt To set up the device for remote communications select the type of interface that is on the device and is available on the computer running CalTool When an interface type is selected the rest of the lt Remote Interface gt panel changes as appropriate to accommodate the definition of the interface characteristics If the reference device model is lt Other gt the dropdown list is not active The lt None gt selection for a reference results in requiring manual entry of pressure during tests run with that reference remote communications are not supported for non DHI reference devices If the lt Remote Interface gt selection is RS232 the lt RS232 Settings gt panel is shown When creating a new Reference Definition the settings are loaded with CalTool default settings Port settings are listed baud rate parity data bits stop bits respectively Clicking on any setting field causes the lt RS232 Settings Editor gt to appear Select the correct settings
134. reated by running CalTool are not removed by uninstalling It is up to the user to manually remove these data directories The application removal program always displays a message indicating CalTool was not completely removed when executed after new Data Files have been created Any file management tool such as Windows Explorer can be used to remove these data directories The Data Files are not affected by uninstall to avoid accidentally removing data 2001 DH Instruments Inc Page 4 CalTool for RPTs User s Manual 3 OPERATING PRINCIPLES 3 1 OVERVIEW CalTool for RPTs is an application designed to provide assistance in calibrating the Reference Pressure Transducer s RPTs in DH Instruments products CalTool is generally used by the calibration laboratory responsible for calibrating DHI products Once CalTool has been installed on a suitable computer see Section 2 the basic steps of running a calibration using CalTool are O Set up a pressure reference the device that will apply reference pressures see Section 6 2 This step can be performed once when first setting up CalTool O Create a Test Definition to define the test procedure see Section 6 3 This step can be performed once for each type of device under test DUT Run 8 test and collect data see Section 7 O Use the Data Manipulator to evaluate the test data and possible adjustments to be made see Section 9 O Use the Data Manipulator to write new coeff
135. reference This option is intended to be used with the various pressure controlling references e PPC2 PPCK etc PG7000 If a DHI PG7000 is used as the pressure reference device CalTool assumes the PG7000 will control the pressure Therefore there are no selections to make on the Control tab This option cannot be selected directly It is a forced selection when the pressure reference is a PG7000 model lt Control Determines how pressure will be controlled when a PPCx Pressure Mode gt Controller Calibrator is the selected pressure controller If the pressure controller is not a PPCx this option is disabled see the PPCx Operation and Maintenance E Manual for additional information on dynamic and static pressure control modes selection e Dynamic Pressures will be set automatically in dynamic control mode in response to CalTool remote commands Static Pressure will be set automatically in static control mode in response to CalTool remote commands lt Hold Setting Defines the hold limit to be used in dynamic or static pressure control mode if a 4 DUTSpan gt PPCx Pressure Controller Calibrator is the pressure controlling device In dynamic control mode this value should be set to 5 to 10 times less than the numeric entry DUT tolerance if the pressure controller is capable of it In static control mode field this value is usually set to 10 to 20 times greater than the DUT tolerance The hold limit is alway
136. return errors during test initialization To select a Reference Definition to view single click on the reference lt Record Label gt in the lt List gt display panel To edit an existing Reference Definition double click on the reference device listing or click on the Edit toolbar function with the desired Reference Definition highlighted Double clicking the reference listing clicking on the Edit toolbar icon or clicking the New toolbar icon causes the lt Edit Reference Device gt or lt Add New Reference Device gt pop up to appear These pop ups are identical but differentiated by name to make it clear which task is currently being performed Page 29 02001 DH Instruments Inc H CalTool for RPTs User s Manual The lt Edit Reference Device gt or lt Add New Reference Device gt pop ups allow a pressure Reference Definition to be set up from scratch or edited from an existing one If the reference is a DH Instruments product remote communications with the reference are supported by CalTool and remote interface settings can be specified Non DHI references are supported by manual data entry only The purpose of the Reference Definition fields and settings as well as instructions on how to use them are provided in Table 6 When creating a new Reference Definition all of the fields come up blank When editing an existing Reference Definition the fields come up populated with the information on that reference When editing is com
137. rm Fields FIELD DESCRIPTION lt DUT Model gt The model of the supported DUT molbox1 molbox RFM etc lt Serial The serial number of the DUT Number gt lt Identification gt An alphanumeric device identification label The field can be used for internal tracking of devices or any other information desired The value entered will be conditional included in the test Data File and is included in reports numerical entry field lt Software The DUT embedded software version This information can be useful when Version gt troubleshooting To view the embedded software version from the DUT front panel press and hold its ESC key from its main run screen lt RPT gt Select from dropdown e lt Upstream downstream gt Calibrate both the upstream and the selection list downstream RPTs simultaneously using the same test in the same range This is the standard choice lt Upstream gt Calibrate the upstream RPT only lt Downstream gt Calibrate the downstream RPT only lt Microrange gt Calibrate the microrange RPT optional feature not included on all molboxes lt Calibration The default full scale range of the RPT s in the default pressure unit see Range FS gt Section 6 6 2 or the active Test Definition pressure unit For manual DUTs the value must be entered in the active Test Definition pressure unit See the molboxes Operation and Maintenance Manual or a previous calibration certificate to det
138. rmation on products that support AutoZ Page 101 02001 DH Instruments Inc H CalTool for RPTs User s Manual The steps followed by the lt Data Manipulator gt in manipulating any test data and set of calibration coefficients is as follows Determine factory pressure see Section 10 2 for each calibration point The factory pressure is the pressure read by the DUT with as received calibration coefficients and AutoZ backed out PA 0 PM 1 ZOFFSET 0 Find the new PA and PM see Section 10 3 by performing a linear regression of the factory pressures against the reference pressures The offset is PA the slope is PM Modify AutoZ values see Section 10 4 depending on the RPT type and measurement mode Determine predicted as left pressures see Section 10 5 by applying the new PA and PM values to the factory pressures 10 2 DETERMINING FACTORY PRESSURE The first step in determining new calibration coefficients for a DUT is to determine DUT factory pressures DUT factory pressures are the DUT test readings in the Data File with the DUT as received calibration coefficients PA PM and ZOFFSET backed out The exact manipulation required depends on the RPT measurement mode the measurement mode of the calibration and the state of AutoZ during the calibration Table 31 describes the relationship of these variables and the resultant calculations of factory pressure Table 32 defines the terms used
139. rors Use the toolbar options to open other Data Files or print the plot 02001 DH Instruments Inc Page 92 CalTool for RPTs User s Manual H Z C CalT ool for RPT H330000p res gt C amp DUTSpan Error DUTSpan Error vs Ref Pressure DUT SN920 H3 30000 psi Recd Left 0 03 0 02 A 0 00 0 01 tea OTANI 0 25000 50000 75000 100000 125000 150000 175000 200000 Ref Pressure kPa Figure 39 lt DUTSpan Error gt Plot 8 5 2 VIEWING CALIBRATION COEFFICIENTS The Data View DUT Calibration menu option displays the lt View Calibration gt form This is a convenient way to view all of a DUT s calibration information Unlike the lt DUT Setup gt display see Section 6 4 this tool can be used to view and print the calibration coefficients of ALL ranges of a DUT This includes PA PM ZNATERR ZOFFSET and the Calibration Date for each range The lt DUT Interface Setup gt form see Section 6 4 1 must be used to specify the DUT type and interface prior to displaying the calibration information When the lt View Calibration gt form is closed program control is returned to the lt DUT Interface Setup gt form This allows a new DUT to be loaded The Print toolbar icon displays a printer dialogue box to print the contents of the lt View Calibration gt form Any text entered into the viewer is printed along with the calibration coefficients Page 93 2001 DH Instrume
140. s a clean non scattered run display after Arrangement gt test initialization is complete check box 6 6 4 END TEST TAB The Options End Test tab is used to set user preferences affecting operations that occur at the conclusion of test execution see Section 7 4 The purpose of the End Test tab fields and settings as well as instructions on how to use them are provided in Table 22 Initialize Test Run Test Run Test Display End Test Data File Final point of each cycle Enable repeat for fixed time delay fi 5 Prompt to repeat No repeat option Automatically run data manipulator at the end of the test Prompt to activate calibration to sub ranges lv DK Cancel Figure 28 lt Options gt End Test Tab 2001 DH Instruments Inc Page 64 CalTool for RPTs User s Manual FEATURE Table 22 lt Options gt End Test Tab Fields DESCRIPTION lt Final point of each cycle gt radio button selection lt Automatically run Data Manipulator at the end of the test gt check box lt Prompt to activate this calibration to all ranges of this RPT gt check box CalTool provides the capability to repeat test points using the Back button see Section 5 4 1 However if a test ends automatically after the last point there is no opportunity to repeat points after the last point has completed This option determines whether Cal
141. s achieved by using a gauge reference in gauge mode and adding atmosphere to the output This option is intended for use with DHI PG7000s If the reference is not a PG7000 this selection is identical to the lt Absolute by vacuum gt selection e Gauge Pressure is achieved by a standard whose output is gauge pressure el Gauge RPTs must be calibrated in gauge measurement mode Absolute RPTs are normally calibrated in one of the two absolute measurement modes Absolute RPTs may be calibrated in gauge measurement mode however the gauge mode calibration of an absolute RPT is not valid for absolute measurement mode or negative gauge readings in gauge mode An absolute RPT calibrated in gauge mode should not be used to measure absolute pressure or negative gauge pressure after the calibration unless negative gauge pressures were included in the calibration sequence Use this option for DHI PG7000s set up for remote communication to automatically poll the output If this option is not checked the PG7000 output is read only when taking data Uncheck this option if you do not want CalTool to communicate with the PG7000 between data points Select this option to automatically enable the lt Auto Rotate gt option of a DHI PG7000 set up for remote communication that is equipped with motorized piston rotation Select this option to automatically enable the lt Auto Pressure Generation gt option of a DHI PG7000 set up for remote communicatio
142. s set in DUT span and will be calculated using the pressure span specified by the first DUT setup during the test initialization see Section 7 2 lt Stability Defines the stability limit to be used to determine a Ready condition in static Setting pressure contro mode when the pressure controller is a PPCx and to determine DUTSpan gt the Ready condition of DUTs Generally this value is set to about 10 times smaller than the DUT tolerance The stability limit is always set in DUT span numeric entry based on the first DUT setup during test initialization The stability setting is field ignored by the pressure controller in dynamic control mode 2001 DH Instruments Inc Page 46 CalTool for RPTs User s Manual DH Table 12 lt Test Definition Editor gt Control Tab Fields Continued FIELD DESCRIPTION lt Target Limit gt Defines the target limit to be used in static pressure control mode with a PPC2 or PPCK Pressure Controller Calibrator Generally this values is set to about 10 times larger than the DUT tolerance The target limit is always set in DUTspan based on the first DUT setup during test initialization The target limit is ignored in dynamic control mode or when using static control mode with a controller other than PPC2 or PPCK numeric entry field lt Control Defines the amount of time in seconds before a timeout will occur if a Ready Timeout gt condition has not been achieved in
143. select tests Table 7 identifies the lt Test Definition Editor gt toolbar features and their functions Test Editor EN Test Record Label Test P C 3 xe Viewing Test 1 al in Editing Test 10 Figure 13 lt Test Definition Editor gt Toolbar Page 35 2001 DH Instruments Inc FIELD ICON CalTool for RPTs User s Manual Table 7 lt Test Definition Editor gt Toolbar Features DESCRIPTION lt Test Record Label gt required text entry field lt Viewing Test gt label lt Editing Test gt label Save kW toolbar icon toolbar icon Restore 7 toolbar icon Delete A toolbar icon Open Select KC toolbar icon Scroll Select 4 ER scroll bar 2001 DH Instruments Inc This field is analogous to a file name The text entered should be a convenient label that easily identifies the test Remember that running a test starts by selecting a Test Definition by its lt Test Record Label gt Up to 40 characters can be used in the field Identifies the current relative sort position of the Test Definition in the Editor As the sort order changes this field also changes see Section 6 3 3 The notation is Current Test Definition Total number of Test Definitions Identifies the sort identification of a test that is being edited This field does not display if no Test Definition is being edited As the sort order changes this field also
144. ser s Manual 6 7 REMOTE COMMUNICATIONS Setup Remote Communications provides a simple means of sending individual command strings to remote devices and receiving and displaying the response This tool can be used for discreet remote device communication and communications testing Use this tool to familiarize yourself with the device s communications for troubleshooting communications problems and determining the appropriate communication settings If a command issued to a device does not give the desired results refer to the device documentation for information Setup Remote Communications allows the desired interface type to be selected and interface parameters to be specified IEEE 488 communication assumes the computer is using the IEEE 488 card selected by Setup IEEE 488 Card see Section 6 5 Enter the command to be sent in the command field Clicking Send causes the command to be sent using the current lt Interface Setup gt see Section 6 4 1 The return string or error message is displayed in the black return buffer at the bottom of the display These return strings are logged as read unmodified by CalTool The communications time out is fixed at 10 seconds A timeout is indicated by displaying Timeout If the command does not have a response or the target communications device does not normally respond to commands click the lt Send Only gt check box or CalTool will expect a response and timeout if no respons
145. sponse to remote commands sent by CalTool When running a test CalTool will therefore prompt the user to set the pressure at each point Measurement Mode Whether pressure is being measured relative to absolute zero or vacuum absolute mode or relative to atmospheric pressure gauge mode Measurement mode of the DUT refers to whether the DUT is configured to measure absolute pressure or gauge pressure PA Pressure Adder Pressure adder used to offset an RPT range in calibration For complete information on RPT calibration coefficients see the DUT s Operation and Maintenance Manual Calibration of RPTs Section PM Pressure Pressure multiplier used to adjust span of an RPT range in calibration For complete Multiplier information on RPT calibration coefficients see the DUT s Operation and Maintenance Manual Calibration of RPTs Section Ready Not Ready Indication from DHI reference of when conditions necessary to make an in tolerance measurement at the set point are present Ready indicates the necessary conditions are present and a measurement can be made Not Ready indicates one or several conditions are not present See the DHI reference Operation and Maintenance Manual for additional information on Ready Not Ready principles and criteria For a DUT Ready indicates that the current error is within the DUT tolerance Not Ready indicates that the error exceeds the DUT tolerance Reference Pressure The device that will be used b
146. st lt Calibration Range FS gt numerical entry field lt PA gt conditional numeric entry field lt PM gt conditional numeric entry field lt Calibration Date gt conditional numeric entry field lt ZNATERR gt conditional numeric entry field 2001 DH Instruments Inc An alphanumeric device identification label The field can be used for internal tracking of devices or any other information desired The value entered will be included in the test Data File and is included in reports The DUT embedded software version This information can be useful when troubleshooting To view the embedded software version from the DUT front panel press and hold its ESC key from its main run screen All supported ranges of the DUT When a new range is selected the lt User Calibration gt frame updates to display the corresponding calibration information During test initialization this field must be used to select the desired DUT test range The field is only present when setting up a DUT with manual data entry Select the RPT designator from the drop down list The full scale pressure in the default pressure unit see Section 6 6 2 or the active Test Definition pressure unit For manual DUT s the value must be entered in the active Test Definition pressure unit The pressure adder in Pascal See Section 10 3 and the DUT s Operation and Maintenance Manual for calibration coefficient information
147. st cycle Data from multiple cycles is included in a single Data File required entry field lt Test The maximum allowable error in DUTSpan for each DUT test point The span Tolerance used for the error calculation is based on the span of each individual DUT even DUTspan gt when multiple DUTs are tested The error is calculated as DUT Reference DUTSpan 100 see Section 10 6 When running a test if the error at a test point is greater than the test tolerance a lt T gt appears in the lt Status gt column of the data grid The test tolerance is also used to place tolerance bars on error plots Refer to the DUT s Operation and Maintenance Manual Pressure Measurement Specifications for information on appropriate specifications The default value is 0 01 FS required numeric entry field 6 3 4 5 REFERENCE TAB The lt Test Definition Editor gt Reference tab is used to specify the pressure reference to use when running a test and settings to use for that reference All references previously set up using Setup Reference are available for selection Not all features on the Reference tab are available for all selected references Many options are relevant only if the reference is a DHI PG7000 setup for remote communications The lt Measurement Mode gt and the lt Pressure Display Resolution gt are enabled for all references regardless of the type and communications setup The purpose of the R
148. sures to be used when running the test The reference shown is the reference specified in the Test Definition To change references a new test must be selected or the Test Definition edited If CalTool can communicate with the reference remotely and the reference has multiple ranges the range to use can be selected By default the range that best fits the test data points based on the span of the first DUT and the measurement mode of the test is chosen PG7000 references require the selection of the mass set mass bell and piston cylinder touse The current PG7000 elements are selected by default The effective range of each combination displays at the bottom of the reference selection frame Mass and range information can be entered manually when using a manual pressure reference If CalTool is able to communicate remotely with the reference and the reference supports automated pressure head corrections the current head correction height is displayed and may be edited to reflect the correct height for the current setup Head height sign is positive if the DUT is higher than the reference and negative if the DUT is lower than the reference The head correction units and or medium cannot be changed using this pop up To change these abort the test and make the changes using the reference device s front panel function keys then restart the test See the reference s Operation and Maintenance Manual for complete information on the head correction
149. t see Section 6 3 4 1 Includes tools to identify and select Test Definitions and buttons to create save copy and delete Definitions Points Table see Section 6 3 4 2 Lists the sequence of pressure points reference changes and vent points included in the test procedure Test points can be edited in the table or by using the Auto Fill feature under the Points tab Points Tab see Section 6 3 4 3 Provides a short cut method for filling in the pressure lt Points gt table Also specifies the pressure unit of measure in which the test will be run Sequence Tab see Section 6 3 4 4 Defines modifies test point execution aspects including dwell time averaging time number of test cycles and reference resolution Reference Tab see Section 6 3 4 5 Specifies the pressure reference to be used and corresponding settings Control Tab see Section 6 3 4 6 Specifies how pressure will be controlled when the test is run Leak Test Tab see Section 6 3 4 7 Specifies whether a leak test will be included in the test procedure and defines the leak test parameters Cycle Tab see Section 6 3 4 8 Specifies whether pressure cycling exercising is included in the test procedure 6 3 4 1 TOOLBAR All fields above the display tab on the lt Test Definition Editor gt are considered part of the toolbar The toolbar not only identifies which test is active but also provides tools to create delete save restore identify and
150. t No to activate the calibration to the active DUT only Note if calibrating PPC2 AF PPC2AF does not support the ability to automatically calculate Pa z Tare ZNATERR After the calibration is activated CalTool displays a message to select the ranges on the PPC2AF for which you would like to activate Pa z Tare A second message lt Execute PA z Tare gt displays At this time use the PPC2AF front panel options to run Pa z Tare Respond to the lt Execute PA z Tare gt dialogue box only after Pa z Tare has been completed This process must be completed separately for each PPC2AF if multiple PPC2 AFs were run in one test Force Standard Gauge mode calibrations assume that a zero data point is logged and forces Regression the regression through the average error at zero If a zero point was not logged or the error at zero is very large this can lead to predicted calibration coefficients that do not adequately compensate for the as received error If this is the case check this option to use a standard regression that does not force the fit through zero menu item Page 99 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 30 lt Data Manipulator gt Calibration Menu Selections Continued FEATURE DESCRIPTION Restore Restores the original calibration coefficients to all ranges for which Calibration calibration coefficients were activated This option is only available in the same lt Data
151. t This insert is used to require a vent in the test point sequence that does NOT count as a test point Data will not be taken at this type of vent point e Vent Point changes the cursor into a vent icon that can be dropped onto the point at which the system pressure will be vented The text lt Vent gt will appear in the text box of the selected point This insert is used to create an actual vented test point at which data will be taken A vented test point is frequently used in absolute measurement mode as the low point in a test In gauge measurement mode a test point of 0 has the same function as this option e Minimum Pressure Point changes the cursor into a pencil icon that can be dropped onto the point at which the minimum pressure should be logged The text lt minP gt will appear in the text box of the selected point Use this insert when the pressure reference is a piston gauge to specify a pressure point corresponding to the minimum pressure that can be set by the piston gauge A target pressure of 0 is assumed for this insert when using an automated reference other than a piston gauges In gauge measurement mode this is just another vent point However in absolute measurement mode this means that 0 absolute will be the target pressure e Piston Cylinder Change changes the cursor into a piston gauge icon that can be dropped onto the point at which a piston cylinder change should be made This insert is used when the referenc
152. t the lt Data Manipulator gt calculates calibration coefficients PA and PM for the DUTs based on the data collected in the data manipulation phase and displays the corresponding predicted as left data see Section 10 The new calibration coefficients can be activated to any and all DUTs using this tool A report including a graph can be created to document the calibration and a Results File can be saved to store the results of the calibration in a comma delimited file The lt Data Manipulator gt can be used outside of the test process to view and or manipulate data in older Data Files In this case use the Data Manipulate Data menu choice 2001 DH Instruments Inc Page 6 CalTool for RPTs User s Manual 4 QUICK TIPS 4 1 HOW DO I Set up and run a calibration O Set up a pressure reference to define the device that will apply reference pressures see Section 6 2 O Create a Test Definition to define the test procedure see Section 6 3 Run the test and acquire data see Section 7 Use the lt Data Manipulator gt to view results including new calibration coefficients and predicted as left data see Section 9 O Write new calibration to the device under test and print report if desired see Section 9 Repeat a test point or pause test execution The main toolbar contains Skip Back Skip Forward and Pause icons see Section 5 4 1 Use these icons to change the current test point or t
153. t Setup gt Entry Form Table 24 lt Manual Test Setup gt Entry Form Fields FIELD DESCRIPTION lt Number of Test Points gt Enter the number of test data points Count every point for which there is data to enter numerical entry field lt Test Pressure Unit gt Select the unit of measure in which the reference and DUT pressure readings will be entered The units available are kPa Pa and psi If drop down selection list the data to be entered is not in one of these units it must be converted prior to entry lt Measurement Mode gt Select the measurement mode in which the test data to be entered dropdown selection list Was taken see Table 11 for complete information on measurement modes lt Pressure Resolution gt select the resolution with which pressure values will be entered dropdown selection list Specify the number of digits to include after the decimal point lt Pressure Reference Al references that have been created with the Setup Reference dropdown selection list main menu choice are available from a dropdown list Select the desired reference Other features on the Reference tab will be enabled or disabled based on whether or not the reference is a DHI PG7000 set up for remote communication lt Read Remote Reference Check if remote communications with the reference used in the test Settings gt are available If so CalTool will read reference characteristics from c
154. ter previous DUT to calibration data or to write coefficients determined by another source The calibration coefficients can also be edited from the DUT s front panel see the DUT s Operation and Maintenance Manual wel molbox and molbox RFM have their own DUT Setup gt form see Section 6 4 2 1 that differs slightly from the one described in this Section when the selected calibration range is Upstream Downstream taiting lt User Calibration gt coefficients will alter the calibration of the device Do not edit and activate calibration coefficients unless you are thoroughly familiar with their purpose and consequences DUT Setup X Header User Calibration DUT Model am 2 8 00 Pa Serial Number be oOo PM 1 0000 Identification Wu Calibration Date 119980101 YYYYMMDD Vert Ob ZNATERR NA Pa ZOFFSET N A Pa AutoZ Onf Software Version Calibration Range MEN Calibration Range FS Activate Changes Figure 22 lt DUT Setup gt Form Page 53 2001 DH Instruments Inc CalTool for RPTs User s Manual Table 16 lt DUT Setup gt Form Fields FIELD DESCRIPTION lt DUT Model gt The model of the supported DUT PPC2 PPCK RPM3 etc lt Serial The queried serial number of the DUT Number gt lt Identification gt text entry field lt Software Version gt lt Calibration Range gt dropdown selection list lt RPT gt dropdown selection li
155. the test will abort when cycling fails lt Abort Test On Failure gt is sometimes disabled when running fully automated unattended tests to complete the test and gather test data even though cycling was not completed Of course the conditions that caused cycling to fail may also cause the test data to be invalid check box selection 6 4 DUT The Setup DUT menu choice is a tool used to view and edit information on a DUT with which CalTool can communicate remotely This is not part of the standard test setup but an auxiliary tool provided as a convenient way to view complete DUT specific information in one screen and edit it if desired When the lt DUT Setup gt form is viewed during test initialization see Section 7 2 the information is loaded for viewing only no manipulation or printout ability is supported To print the DUT calibration information use Data View DUT Calibration see Section 8 5 2 When Setup DUT is selected the lt DUT Interface Setup gt displays to pick the lt DUT Type gt and lt Interface gt of the DUT to be read After the proper settings are made and Continue is pressed the lt DUT Setup gt form displays to show the calibration information of all supported ranges of the DUT see Section 6 4 2 The calibration information fields can then be edited and the edited values can be activated by pressing Activate Changes 6 4 1 DUT INTERFACE SETUP The lt DUT Interface Setup gt is used in ma
156. tion 5 The objective of the report function is to provide a convenient standard report format To create your own customized report either open the delimited Results File and customize it in another program such as Excel Lotus etc or copy the report into a word processor by cutting and pasting Saved report files rtf can be opened directly in most modern word processors toolbar icon Save Report Saves the information in the calibration report to a Rich Text Formatted file CL These files can be opened with any modern word processor for menu item further editing 7 save storage space save Results Files instead of reports Reports are larger files and can easily be generated at any time using the Results File View Saved Displays a file box to select a previously saved Report File rtf for viewing Report purposes Only Report Files created using the Save Report option can be viewed The report displays just like a generated report Print the report if menu item desired and use the Close View option to return to normal operation Print Report Print the current displayed report or generate and print a report based on the current test Data File If multiple Data Files are loaded an extra prompt to print all Data Files displays The Print toolbar option prints reports whenever a plot is not maximized in toolbar icon the Data Manipulator display Plot Data Generates of DUTFS Error plot of
157. tion 6 3 4 4 If a control time out occurred the value displays as N A Character display representing the status of the point taken Combinations of these values may exist for any given point The definitions of the characters are e R The DUT or the pressure reference was Not Ready according to the control and or stability criterion specified in the Test Definition Control tab see Section 6 3 4 6 T Error was beyond tolerance specified in the Test Definition Sequence tab see Section 6 3 4 4 t A control timeout occurred when the target pressure was set using an automated remote PPCx pressure controller see Section 6 3 4 6 E An interface error occurred during the averaging cycle Generally this indicates a reading could not be made on the reference or DUT Reference Prs Average reference pressure in the specified pressure unit Page 89 2001 DH Instruments Inc Gut CalTool for RPTs User s Manual Table 27 Data File Test Data Section Fields Continued FIELD DESCRIPTION DUT Prs Average DUT pressure in the specified pressure unit FS Error The FS Error based on the DUT FS and the DUT and reference pressure readings Rdg Error The Reading Error based on the DUT and reference pressure readings ZOFFSET Effective ZOFFSET value used when the point was logged This information is logged only for absolute RPTs calibrated in gauge mode and gauge RPTs when AutoZ is turned ON In all other insta
158. tion steps of automated tests can be turned ON and OFF using the Setup Options Initialize Test tab see Section 6 6 1 This features allows repetitive steps to be skipped For example if there is only one CalTool user the entry of the user name can be skipped See Section 7 2 1 for automated test initialization and Section 7 2 2 for manual test initialization View the main lt Status gt bar while running a test for test initialization status information Page 69 02001 DH Instruments Inc H CalTool for RPTs User s Manual 7 2 1 AUTOMATED TEST INITIALIZATION Automated test initialization starts with the selection of a Test Definition and ends with identification of the operator see Section 7 1 for the definition of automated and manual tests Most of the steps in the initialization can be skipped if desired see Section 6 6 1 which can be useful when running the same test or similar tests under the same conditions repeatedly After test initialization is complete test execution proceeds to the data acquisition step see Section 7 3 wii Anytime Esc is pressed or Cancel is chosen during initialization the test is aborted Test initialization includes up to ten sequential steps O Start the test by selecting Run Run Test or clicking the Start toolbar icon O Select the Test Definition using the lt Test Selector gt see Section 6 3 3 The Test Definition defines all non DUT aspects of a test Use the
159. tive Check this box to automatically display all lt DUT Output gt run windows Each lt DUT Output gt run window is specific to the type of DUT see Section 5 5 6 This option is typically not desired when multiple DUTs are used The most efficient display of the DUT output is provided by the lt DUT Reference Comparison gt window Check this option to display the lt Data Plot gt run window after test initialization see Section 5 5 4 The plot is updated with each new test point logged Page 63 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 21 lt Options gt Run Test Display Tab Fields Continued FEATURE DESCRIPTION lt Auto show Check this box to display the lt Data Grid gt run window after test initialization see data grid gt Section 5 5 3 The grid is updated with each new test point logged check box lt Auto scroll When checked the current data point is automatically displayed in the lt Data data grid with Grid gt run window each time CalTool logs a point during a test If the grid is each new scrolled between points and a new point is taken the grid automatically scrolls point gt to the bottom to display the new point check box Uncheck this box to avoid automatic forced updating of the lt Data Grid gt run window lt Default Select a window arrangement scheme to apply to all run windows selected to Window display Arranging the windows provide
160. ude Windows 95 98 NT and 2000 Although any computer able to run one of these operating systems has the basic requirements needed to run CalTool it is recommended that the system running CalTool have the following minimum configuration e Windows 95 98 or NT e 200 MHz Pentium processor e 32MB RAM e 10 MB free hard disk space 2 3 INSTALLING CALTOOL FOR RPTs CalTool for RPTs is available by internet download www dhinstruments com and it is included on the DH Instruments general accessories CD delivered with most DHI measurement products To install by download from the internet simply execute the self extracting file and follow the installation program prompts Follow the instructions included with the general accessories CD to install CalTool from this media To install CalTool from a stand alone CD O Insert the CalTool for RPTs CD into the CD drive If the auto run feature is enabled on the computer the setup application runs automatically 8 lf the setup program does not run after 10 seconds press the Windows Start button and select Run In the Run dialog box type d setup or f setup depending on the drive letter of the CD drive of the installation disk Select CalTool for RPTs from the list of applications and follow the installation prompts to install the program OR Page 3 2001 DH Instruments Inc H CalTool for RPTs User s Manual O Insert the CalTool for RPTs CD into the CD drive O Use the A
161. uence tab If running a multiple DUT test a preference on the Setup Options Run Test tab can be used to allow only one common manual reference pressure entry to be used for all the DUTs rather than having to enter a separate reference value for each DUT see Section 6 6 2 If it is necessary to retake the test point due to an erroneous entry use the Back toolbar icon see Section 5 4 1 Each entry field displays according to the DUT position setup during test initialization on the lt DUT Selection amp I O Setup gt screen see Section 7 2 1 DUT and reference readings acquired remotely display in their corresponding positions if available however they are disabled and cannot be modified Press the computer s Enter key to move to the next required field after an entry is made To close the manual pressure entry screen press ENTER on the last entry field or click OK There is no averaging in manual data entry Manual Pressure Entry Figure 36 lt Manual Pressure Entry gt Form 7 4 TEST CONCLUSION Test conclusion is the final step of running a test that occurs after the data acquisition step is complete This test conclusion step occurs only if all specified test cycles have been completed Tests that are aborted early simply end The lt Test Complete gt screen see Figure 37 is presented for the test conclusion The screen lists the Data Files that were created in the data acquisition step of the test and provides
162. uence is from starting point to ending point and back to starting point The ending point is repeated to provide proper point weighting when calculating new calibration coefficients do not delete it Making a selection has no effect until Auto Fill is pressed Clicking Auto Fill causes the test point table to clear and fills in the table with the points calculated from the Auto Fill instructions lt Starting Point gt lt Ending Point gt lt Step Value gt lt Ascending Descending Points gt If the values are such that the distance from starting point to ending point is not an even multiple of the step value the last step value is adjusted to end exactly on the ending point Points set up by Auto Fill can be edited directly in the Points table and new points vents and or piston cylinder changes can be inserted at any point using the Points table Insert button see Section 6 3 4 2 FF the highest point is always repeated when lt Ascending Descending Points gt is used If this is not desired just double click the repeated value in the points table to delete it However note that for proper weighting of test date in calculating calibration coefficients the high point should be repeated Clicking Clear at any time causes all entries in the test point table to clear Page 40 CalTool for RPTs User s Manual Gut 6 3 4 4 SEQUENCE TAB The lt Test Definition Editor gt Sequence tab is used to specify details
163. ult screen display Data File naming conventions default interfaces settings and pressure unit are all customizable All tests are separated into three steps initialization data acquisition and data manipulation The data acquisition phase is the process of obtaining test data from all DUTs and the pressure reference This data is later manipulated to obtain new calibration coefficients for each DUT Data can be obtained by either running a test through the Run Run Test menu option which steps through points in a test file or by entering each test point manually using the Run Manual Entry Test option see Section 7 2 2 All test information is written to a delimited Data File that can be imported into other applications if desired When the test is complete a lt Test Complete gt screen displays to allow easy access to many common Data File operations see Section 7 4 This is the most convenient way to access the lt Data Manipulator gt When the lt Data Manipulator gt is closed program control is returned to the lt Test Complete gt dialogue w l Using the Data Manipulator gt from the eet Complete gt dialog at the end of the test allows the lt Data Manipulator gt to be used to act on multiple Data Files created by one test of multiple DUTs Accessing the lt Data Manipulator gt from the Data Manipulate Data menu choice can only be used to manipulate one Data File at a time In the data manipulation phase of a tes
164. ure allowing tests to be selected by scrolling The ordering of the scrolled tests is alphabetical by lt Record Label gt el the Test Definition Selector the currently selected Test Definition is highlighted in blue and a Test Definition that is being edited displays in red text e Select Test Test Label Reference Unit MeasMode Points Control Absolute 11 point service PG Absolute Reference Default Auto Gen service PG Absolute Reference qauge 11 point Service PG Gauge Reference pressures Service PG Reference Figure 12 lt Test Definition Selector gt 6 3 4 TEST DEFINITION EDITOR All Test Definitions are created or edited using the lt Test Definition Editor gt The editor also acts as a Test Definition viewer in other CalTool functions When editing a Test Definition verify that each tab of the editor contains the proper information This will help to avoid conflicts when using the Test Definition when running a test Refer to Sections 6 3 4 1 through 6 3 4 8 for detailed information on the tabs features and entry fields of the lt Test Definition Editor gt A Do not use the following characters lt gt a comma or tab character when editing a Test Definition These characters will cause problems when importing the Data 2001 DH Instruments Inc Page 34 CalTool for RPTs User s Manual H The lt Test Definition Editor gt is made up of multiple features and tabs lt Toolbar g
165. ure multiplier 10 4 ZNATERR ZOFFSET MODIFICATIONS 2 Not all DUTs support Auto For example molbox1 and molbox RFM do not support AutoZ This section does not apply for these DUTs For DUTs that do not support AutoZ always assume ZOFFSET to be O and refer to the case with AutoZ turned OFF in calibration calculations In many cases DUTs that support AutoZ require modification of ZOFFSET and ZNATERR as part of the calibration These changes are detailed in Table 35 based on the RPT measurement mode type AXXXX or GXXXX and calibration measurement mode as well as the state of AutoZ during the test Under no circumstances is the value of ATMOFFSET modified The new value of ZNATERR is predicted by performing a second order fit of the predicted as left DUT readings and the reference pressures and determining the resultant residual error at 101 325 kPa will the DUT is a PPC2 AF the value of ZNATERR called PA z Tare is not determined by CalTool With PPC2 AF the instruments on board PA z Tare routine must be executed using the front panel of the pressure controller as part of the activation of new calibration results see Section 9 2 2 Page 105 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 35 Changes to ZOFFSET and ZNATERR RPT CALIBRATION MEASUREMENT MEASUREMENT ZOFFSET ZNATERR MODE MODE CHANGED TO CHANGED TO Absolute Absolute OFF Predicted value at AXXXX 101 325 kPa Absolute Absolute ON
166. ure must be Ready within the test specified control limits before the control timeout is exceeded See the Pressure Reference Operation and Maintenance Manual for information on static and dynamic control and Ready Not Ready conditions If the pressure reference is a DHI PG7000 set up for remote communication a prompt of the mass to load to achieve the test pressure displays The mass loading resolution is determined by the Test Definition Reference tab The mass loading resolution can be changed on the lt PG7000 gt run window see Section 5 5 6 1 If the resolution is changed in this manner after a mass load has been prompted use the Back toolbar icon to update the mass loading prompt with the new mass loading resolution value The PG7000 mass loading protocol must be followed correctly or an incorrect pressure value may be set see the PG7000 Operation and Maintenance Manual After the mass is loaded press OK on the test prompt If automatic pressure generation is selected in the Test Definition the PG7000 s controller will float the piston within the selected lt Auto Generate Dead Band gt Otherwise a prompt to generate the test pressure and float the piston displays Press OK to confirm that the piston is floating and conditions are Ready e Use the lt PG7000 gt run window to view piston position and Ready Not Ready status If a PPCx DUT is being used to control pressure use the View Device Output see Section 5 4 2 toolbar
167. used and sets up the reference and DUT s O Data Acquisition see Section 7 3 The process of setting pressure points and acquiring measurement data from the reference and the DUT and logging the data to a Data File 8 Conclusion see Section 7 4 Normally includes evaluating the Data File and new calibration coefficients in the lt Data Manipulator gt writing new calibration coefficients to the DUT and generating a calibration report CalTool supports two different testing methods automatic and manual The automatic test accessed by Run Run Test or by clicking the Run toolbar icon is used to run a test and take data real time regardless of the level of automation of the reference and the DUT s see Section 7 2 1 Automated tests require a Test Definition see Section 6 3 The manual test accessed by Run Manual Entry Test is used to create a Data File by manual entry of existing data Manual tests allow data taken outside of CalTool to be used to create a Data File that can be processed by the lt Data Manipulator gt to calculate calibration coefficients see Section 7 2 2 Manual tests do not use a Test Definition See Sections 7 2 to 7 4 for detailed information on the steps included in automatic and manual tests 7 2 INITIALIZATION The initialization phase of a test selects the Test Definition if applicable and sets up support devices This test step differs for automated and manual tests Many of the initializa
168. y CalTool as the source of reference pressure values when running a test the pressure standard in the test the value of pressure measured by the reference pressure device Report File rtf File created by the lt Data Manipulator gt from a Results File res to store a calibration report 02001 DH Instruments Inc Page 110 DHi CalTool for RPTs User s Manual Results File res File created by the lt Data Manipulator gt from a Data File that includes the new calibration coefficients and predicted as left data Return to Start Execute the pressure point sequence in reverse order RPT Reference Pressure Transducer The pressure transducers in DH Instruments products are referred to as RPTs The difference between the minimum and the maximum DUT input or output Often referred to as full scale but more meaningful than full scale for DUTs whose minimum pressure is not zero Stability Rate of change of pressure in pressure unit second Stability Limit A limit expressed in units of pressure per second e g kPa s The stability limit is used in certain cases as the Ready Not Ready criterion Ready if rate is less than stability limit Not Ready if rate is greater than stability limit Static Control A control mode for a DHI PPCx Pressure Controller Calibrator in which the controller sets the pressure to the target value and then interrupts control to allow the pressure to evolve freely See the PPC Operation and Mai
169. y displayed the scroll bar at the bottom of the table can be used to scroll to additional columns of test points Up to 44 test points can be included The test point table can be filled in by placing the cursor in the test point field and editing the desired test point value It can also be filled in automatically using the Points tab see Section 6 3 4 3 The test point table can be cleared using Clear on the Points tab 6 3 4 3 POINTS TAB The lt Test Definition Editor gt Points tab is used to set the lt Test Point Type gt and provides a short cut to fill in the lt Points gt table automatically if desired see Section 6 3 4 2 The purpose of the Points tab s fields and settings as well as instructions on how to use them are provided in Table 9 Points Sequence Reference Control Leak Test Cycle Test Point Type Pressure Unit Clear Auto Fill i Starting Point Ending Point Dm Step Value jo Ascending Descending Points fyo v Figure 15 lt Test Definition Editor gt Points Tab Page 39 2001 DH Instruments Inc CalTool for RPTs User s Manual Table 9 lt Test Definition Editor gt Points Tab Fields DESCRIPTION lt Test Point Type gt dropdown selection list lt Starting Point gt numeric entry field lt Ending Point gt numeric entry field lt Step Value gt numeric entry field lt Ascending Descending Points gt drop
170. zation of a multi DUT test This option has the same function as the Copy Settings button on the lt DUT Setup gt form during test initialization see Section 6 4 2 Page 59 2001 DH Instruments Inc H CalTool for RPTs User s Manual Table 19 lt Options gt Initialize Test Tab Fields Continued DESCRIPTION lt Select Enter When checked a test initialization prompt displays to enter the user name or User Name gt select it from the drop down user name list This name appears under user in the test Data File and in reports When this prompt is unchecked the last user s check box name is automatically selected as the user for the current test Unchecking this prompt is useful for single user systems lt Use default Check this option to automatically name Data Files based on CalTool s file Data File naming convention see Section 8 3 Realize that all Data File names can be name gt changed using the Re Name option in the lt After Test gt dialogue see Section 7 4 If this option is not checked each DUT Data File must be named check box during test initialization lt Maintain Test Use this feature to delete test users Select the user from the dropdown list then Users gt press Delete A message displays to confirm the action before the user is dropdown removed from the list selection list 6 6 2 RUN TEST TAB The Options Run Test tab selections concern operatio

CalTool™ for RPTs - Pressure Calibration

Contents

Download Pdf Manuals

Related Search

Related Contents

CalTool&trade; for RPTs - Pressure Calibration

Contents

Download Pdf Manuals

Related Search

Related Contents

CalTool™ for RPTs - Pressure Calibration