User Manual
Contents
1. Measuring range High Low ok Abbrechen Hilfe Use the menu Options General to select various parameters such as the use of metric or imperial pressure units bar kPa mmWS or PSI or the units of the diagram s time scale number of measuring points seconds of minutes Print date and time in diagram specifies if these data become a part of the print out Tick Print introduction page if you want to use that as a part of your documentation Tick Print in colour only in case you are using a colour printer Select the measuring range of the dual gauge that you want to use for the next measurement in the Options Devices menu lt is recommended that you make use of the full range of the gauge if possible You cannot overstress the gauge in the lower range if the actual pressure will not exceed the upper range DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 13 of 19 DDiag Electronic dual pressure gauge Industrie Service 7 Evaluating test results TEST_UEV PCG Pressure DDiag la x File Edit View Pressure Tools Help F 5 Immediately after you finish recording the jenege Ala E et E e findings will be displayed in a diagram m and you can start analyzing the measure ment by setting boundary lines 41 14 bar 11 22 s 1464 s Extensive assessment functions and a 3 42 wide variety of graphic representations Abcd 12345 30 br are a p2. Industrie Service DDiag Online Manual Software Version DDiag 1 3 0 119 and higher fay DDiag 51222 ndusinie Service 0 100 J ZOU DE DDIAG The PC Driven Pressure Diagnosis Method DDiag Electronic dual pressure gauge TOV Industrie Service Caution Please do only start measurements using the DDiag after you have read this user manual and you are familiar with the following safety precautions General safety issues The DDiag tool kit had been particularly developed for experts to conduct measurement tests and recordings of hydraulic pressure and pressure patterns in the field Please be aware that providing inspection services on pressurised systems goes along with a certain potential of safety risks This manual does not generally or specifically describe the possible risks of conducting pressure tests but concentrates to explain the available DDiag features With regard to the general risks we assume that experts conducting pressure tests have got the necessary training and experience and they know and observe all applicable codes and standards We would like to explicitly refer to the safety precautions in chapter 3 of this manual Every DDiag user has to fully understand the technical scope and the consequences of the application and has to observe the existing work procedures To prevent any risk that may be caused by the application of the DDiag it is essential to read and understand the following c
3. software integrated automatic control of device calibration The calibration certificates are stored in the device memory A further usage of the transducer is rejected if the calibration period has been expired Thus no further control of calibration of device is required Periodic recalibration of devices by TUV SUD Industry Services for a nominal fee Manufacturer supplier TUV SUD Industry Services Innovative Systems Westendstr 199 D 80686 Munich Germany Fax 49 89 5791 2989 E Mail ddiaq tuev sued de DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 19 of 19
4. OTE ae displayed later with other filter functions or without Smoothing window type any filter again Optimal Blackman window canes 2 x i ee anes With you open an information window which et ce 10 02 2004 18 22 26 summarizes important data of the measurement as r Devica R well as the pressure gauge used Among other things Pressure sensor DS 51050 Calibrated till 30 10 2006 00 00 00 g i i aaun 100 ber Messmer 1000FE you find here the time stamp of the recording and the expiry date of calibration fact that are quite essential for documentation purposes m Parameters Equipment number Test10 Rated pressure For demonstration purpose only Data Recorded values time 6010 6 010 s Cercei Hee DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 15 of 19 DDiag Electronic dual pressure gauge Industrie Service 8 Software integrated automatic control of testing devices The serial number the calibration date the calibration diagrams for both channels and other data are saved in the electronically data plate of the transducer J 0S51202 Calibration Certificate DDiag The software has got the appropriate features to display both calibration diagrams saved in the memory under Tools Calibration certificate Select File Print Preview for making a printout of the diagrams Pages 1 2 Before any measurement is made the software verifies that the
5. calibration of the transducer has not yet been expired In case a new calibration is required the user will get a message in this regard Thus any further control of the calibration of the pressure gauge is not required The transducer should be re calibrated once every 3 years at the latest Without a re calibration the use of the DDiag pressure gauge will expire after 4 years On request of the user shorter expiry of calibration periods can be implemented in the sensor All transducers delivered had been calibrated on the basis of guideline DAkkS DKD R 6 1 Periodic manufacturer s calibration service of the transducers is made by TUV Industry Service at a nominal fee DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 16 of 19 DDiag Electronic dual pressure gauge Industrie a 8 Scope of delivery The scope of delivery consists of 1pc Dual range pressure gauge DDiag with sensor direct coupling 1 pc USB transmission cable EMC 5m 1 St Sensor hose coupling DDiag software incl User manual and additional accessory parts when requested by customer see chapter 10 DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 17 of 19 DDiag Electronic dual pressure gauge Industrie Service 10 Accessory parts Direct transducer coupling Transducer hose coupling Adapter for testing gauge M20x1 5mm internal thread Packing unit 25 pc VY VV YY VYVYVY RIN NY EN ada
6. can specify for each diagram an individual offset value We only recommended this feature for particular cases If necessary you can also adjust the individual offset value with the program Compound view offset lt z i DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 12 of 19 DDiag Electronic dual pressure gauge TOV Unbenannt acv Compound View DDiag File Edit View Pressure Tools Help Industrie Service S bed S ELEY O aja E bd b2 ee a All selected diagrams are displayed together on the wri screen To activate one of the diagrams just click on raaiva It The head line then appears in bold letters and all amaia i features cursor filter results in the status window Upper Limit 10 03 sas etc only refer to this activated diagram Equipment Nr U12345h Rated pressure 25 2 bar The icons Le shift the zero offset values If you keep in addition the Shift button pressed you are in the slow mode and respectively if you keep the Strg button pressed you are in a fast shifting mode Zoom 1 2 Origin 285 Len 1315 6 6 3 Options You can specify here required parameters for making measurements or displaying findings Options General Devices User interface Units v Print date and time information V Print introduction page Print in colour Options 3 eE eal Devices Pressure sensor
7. the dynamic pressure behaviour Whenever possible use the quick couplings to connect the transducer to the hydraulic system To continue click Next Do not show me this page again Pressure Recording Wizard Input Test Parameters Enter required test parameters Equipment number or data description Rated pressure Reference name Untitled Autosave path C DDiag Curve E Pressure Recording Wizard Measuring Rate Units and Time Scale Select appropriate parameters Measuring rate 0 1 Hz 1 Hz 10 Hz 100 Hz 1 000 Hz Pressure Recording Wizard Record Value 10 5 Pa bar 15 027 4 Pressure units Time scale measured data eA Prepare for recording pressure diagram When ready start recording v Reading header from device gt To start recording click Record Measuring range 100 10 5 Pa bar Sensornumber DS 50294 Recorded values Elapsed time 0 002 a Record Prepare for recording pressure dagam When ready start recording v Reading header trom device v To stat recording cick Record Measuring range 100 10 5 Ps ber Recorded values 3303 Sansor number DS SOM Blapesd time 39 038 13 406 E Industrie Service With this program you can make recordings of dynamic pressure versus time relations as well as complex evaluations of the findings lt is recommended to connect always the pressure gauge to the pressurized equipme
8. the transducer to the equipment The included quick coupling is suitable for a direct connection under a pressure of 400 x 10 Pa bar respectively up to 630 x 10 Pa bar for hydraulic oil as well as other kinds of mineral oil Attention Before you use the pressure transducer for the very first time please read this manual carefully For any damage that is caused by non observance of the instructions of this manual by inappropriate or wrongful use the warranty Is ceased and no liability or compensation is taken for consequential loss Strictly observe all applicable safety regulations for the use of pressure gauges During the calibration of the transducer hydraulic oil has been used as a pressure fluid medium In the cavity of the transducer you may find residual oil As the gauge does not have a flush mounted diaphragm the use in the food industry is of limited suitability DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 4 of 19 DDiag Electronic dual pressure gauge TOV Industrie Service 4 Technical data Presently there are 2 different DDiag dual pressure gauges available for an application of pressure of up to 250 as well as 630 x 10 Pa bar Every gauge can be alternatively used in a lower or in an upper measuring range The 630 bar gauge can be used for pressures of up to 1 000 x 10 Pa bar provided a suitable and approved fitting is in use However the calibration of this device is for
9. 630 x 10 Pa bar only Measuring range 5 lower range 0 100 x 10 Pa bar 0 400 x 10 Pa bar upper range 0 250 x 10 Pa bar 0 630 x 10 Pa bar other ranges on request Over range limit 500 x 10 Pa bar 1500 x 10 Pa bar Burst pressure 1200 x 10 Pa bar 3000 x 10 Pa bar Measuring rate alternatively 1000 Hz 100 Hz 10 Hz 1 Hz 0 1 Hz Precision class 0 50 Linearity deviation for max pressure lt 0 2 Hysteresis lt 0 1 of full range Stability per year lt 0 2 of full range Measuring principle thin film device Pressurized medium contact CrNi steel 1 4571 1 4542 Permissible temperature range for pressure medium 40 up to 100 C Compensated temperature range of the transducer 40 up to 100 C Working ambient temperature 0 up to 70 C Fitting G1 4 according to DIN 3852 Calibration works calibration certificates are stored in electronic data plate system integrated control of measuring devices Power supply of sensor from PC via USB port complying with USB specification Mass 150 g Maintenance no specific maintenance required a higher process temperature is possible if a temperature isolator is used DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 5 of 19 DDiag Electronic dual pressure gauge TOV Industrie Service 5 Software installation DDiag requires any actual version of Windows The DDiag software including the user manual is ma
10. 7 Zick Rotman eben Gate letsn Pressure Sensor Test Wizard Test Device 2 Prepare for testing device When ready start measuring v Reading header from device gt Self calibrating device Setting to zero point Writing data to device EEPROM Sensornumber DS 50294 Channel 2 Measuring range 100 10 5 Pa bar Calibration date 10 2011 Recommended calibration after 36 months Calibration expires after 48 months o Fertig stellen Abbrechen Hilfe DDIAG 1 3 0 119 Online manual revision 20 September 2012 sensor test had been called up before you will be asked to start the Sensor test However you can also start this test later again The Wizard will guide you through the program Just follow the instructions Now connect the transducer with the PC via the USB transmission cable Please observe that the transducer is not pressurized when making this test Transducers connected to the PC will be automatically identified and the particular virtual serial port is selected for being used with DDiag After clicking on Continue a detailed verification of the transducer s function is initiated First the sensor s electronic data plate of is read and displayed Then the verification of calibration is started This takes some 10 seconds for each range beginning with the upper one This device test displays month and year of the last calibration the recomme
11. DDiag pressure gauge that comes together with the DDiag software DDiag is a universal tool not only for making measurements on pressure equipment such as boilers pressure vessels process industry pipe lines pumps hydraulic systems construction machines etc TUV SUD also makes available these tools to externals customers both under DDiag name or under OEM name In general any DDiag pressure gauge has 2 different measuring ranges and it can be used both as a digital manometer as well as for the recording of pressure time relations For making the recordings you can select a most suitable sampling rate as the program alternatively makes available 0 1 1 10 100 or 1 000 Hz For the evaluation and assessment of the measurements DDiag provides universal and powerful tools Thus it is a contemporary method for recording and documentation of pressure measuremenis 2 System requirements The present 32 bit version of DDiag is compatible with any actual operation system of WINDOWS Further minimum system requirements include 64MB RAM graphic mode 800x600 16 bit or better the program requires about 2MB capacity on the hard disk and sufficient capacity for saving measuring results FTDI virtual COM port drivers for USB dual range transducer is part of the delivery 3 Safety instructions Please observe all usual safety precautions when working at pressurized equipment Wherever possible use the quick coupling fitting to connect
12. ag ok Next Page Two Page Zoom jn Kalibrierschein der Werkskalibrierung Druckse Certificate of manufacturer s calibration Pre me The program item File gt Print preview displays the available information as Certificate of Manufacturer s Calibration which can printed out here For calibration see chapter 8 6 5 3 Export Import Header This function is reserved for specific applications and is not commonly available for users DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 11 of 19 DDiag Electronic dual pressure gauge Industrie Service 6 6 Tools Further auxiliary programs are made available under the Tools menu 6 6 1 Stop watch With the Stop watch feature the PC works like an ordinary stop watch having a resolution of 0 01 s and is to be controlled with the keyboard Select Files Seer rey The menu Compound view enables you to select several diagrams that already had been saved to the hard disk and display these curves one above the other on one screen in order to compare them against one another Add 2 x This function is mainly addressing experienced users B3 pcg Null peg B4 pcg TEST_UEV PCG baeuene ones Dateityp Pressure Files pcg Abbrechen i First select the files that you wish to display at the screen at the same time DDiag curve 52018 Test_2 pcq D DDiag curve TEST_UEV PCG On the next screen you
13. art of the program eee eee eer er ere eee eee eee ee eee eet Pee eee eee eee oO f D D O t D D D i vey vey So D D D rey N N Se Se st ve re ps k b T _ a Toad i a Pr b For Help press F1 Zoom1i 1 Origin 774 Len 960 In particular you will find several icons on the symbol bar to modify the diagram Use to compress or expand the curve displayed Usually the so called auto scale modus is activated In this mode both the minimum and maximum values are scaled to the optimal size displayed on the screen If you want to compare different diagrams with each other you may display the gauges full measuring range In such as case click on to A deactivate the auto scale function Very often you will have to analyze just a part of the diagram Press the icons I H to set and activate cursor lines which form the boundaries of the part of diagram When activating a cursor the icon becomes shaded and a dotted vertical line appears in the diagram You can shift this line alternatively using the mouse and keeping the left button fixed or with the cursor keys Shifting the boundaries by only the cursor keys is considered the default mode if in addition you keep the Shift button pressed you are in the slow mode respectively if you keep also the Strg button pressed you are in a fast shifting mode The status window does not only summarize the
14. de available for downloading from a specified TUV SUD web site The provided information https link user ID and password gives access to the web server There you find a choice between a complete installation and an update of both a German iIDDiagD or an English iDDiagE version In case of an initial installation of the DDiag software to the PC use the complete installation Please download the zipped program file to your PC or directly open the file from the TUV SUD SharePoint server FB Ddieg Setup b119 2012 Install the English version by double clicking to the iDDiagE exe all file Then click onto Install to proceed The installation process is ia oan rather fast it copies the software onto the hard disk and generates an icon on the desktop to easily start DDiag essere Alternatively the DDiag is available in other language versions Boulun von Dicken ben von Druck ZOR Venton sone turDiagreetven AAO provided a file DDiagXXX DLL exists Example DDiagDEU DLL u stands for the German Version To call up the German version extend the command line to DDIAG resource DDIAGDEU DLL Found New Hardware Wizard Welcome to the Found New Hardware Wizard In case there is no appropriate device driver installed start the Tris wizard helps you install sofware for file CDM20814 Setup exe in the subdirectory DDiag driver lf still in the pressure gauge will not be detected in the senor test see chapter 6 5 1 pleas
15. e install manually another driver which What do you want the wierd todo is provided in subdirectory DDiag driver Q Install the software automatically Recommended Install from a list or specific location Advanced If your hardware came with an installation CD or floppy disk insert it now Click Next to continue Found New Hardware Wizar D wet Follow the instructions of the Found New Hardware Wizard The wizard has finished installing the software for USB High Speed Serial Converter As soon as the wizard has finished installing the software click Finish to close the wizard Click Finish to close the wizard After finishing the installation of the device drivers DDiag is ready for use Start the program by double clicking the DDiag icon on the desktop or on the file DDIAG EXE in the directory C DDiag The DDiag User Manual and other useful information are made available in the folder DDiag Infos DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 6 of 19 DDiag Electronic dual pressure gauge Industrie Service 6 The software programs DDiag is a typical Windows program 6 1 Menu item File The menu starts with File and has got typical sub menus such as Open Save or Export data that you know from other programs as well DDiag is using so called wizards giving you a simple online explanation of the next steps coming up Every single wizard can be s
16. ervice Under this program item the acuracy offset behavior of the transducer can be verified by Test Furthermore the Calibration certificate saved in the memory of the gauge can be displayed or printed For advanced remote control an Export Import Header feature is available 6 5 1 Sensor gt Test DDiag Ea In case you are using the DDiag software for the very first time and if no You need to perform pressure sensor test Pressure Sensor Test Wizard Later Abbrechen a Welcome to the Pressure Sensor Test Wizard This program is necessary whenever a new pressure transducer is detected or you have overstressed the gauge The test verifies the permissibility and function of the pressure transducer and adjusts parameters such as the zero offset jake sure there is no extemal pressure on the transducer during this test Follow the instruction on the screen After a self calibration test of both measuring ranges the Ss 0 100 0 250 bar Diag 25177 i Q transducer can be used for pressure rec To continue click Next 1 De not show me this page again r ck Wetter gt Abbrechen Hie Automatische Sensorerkennung werden gesucht Warten Sie bis der Prozess beendet ist und w hlen Sie dann den gew nschten Sensor aus v Suche nach Gerat an Port v Wahlen Sie aus der Liste aus emeut suchen COM3 COM4 COM6 _ Drucksensor USB COM
17. function is deactivated DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 7 of 19 DDiag Electronic dual pressure gauge 6 4 a Industrie Service Pressure Execution of measurements Select the Pressure menu if you want to conduct any 6 4 1 Pressure gt Display Pressure Measurement Wizard Welcome to the Pressure Measurement Wizard This program can be used for displaying pressure values like a digital manometer It is particularly suitable for quasi static pressure progression No recording of the measurement is made here Whenever possible use the quick couplings to connect the transducer to the hydraulic system 0 100 0 250 bar Diag iir fe To continue click Next Pressure Measurement Wizard A Search for Devices Connected Wait until scanning process is completed then select appropriate device v Looking for device on port v Select from devices found Rescan COM3 COM4 COM6 Pressure Gauge USB M7 lt Zur ck Weter gt Abbrechen Hie Pressure Measurement Wizard Measure Value Prepare for measuring pressure When ready start measuring v Reading header from device Measuring range 100 10 5 Pa Sensor number DS 50294 0 002 lt Zur ck Fertig stellen Abbrechen Hie DDIAG 1 3 0 119 Online manual revision 20 September 2012 Eam kind of measurement with the DDiag dual ra
18. hapters before starting to make pressure test using the DDiag As a principle the application of the DDiag tool kit is limited to the indented purposes Disposal of electrical devices The TUV SUD Industry Services is a German producer registered in compliance with the Directive 2002 96 EC of the European Parliament on waste electrical and electronic equipment WEEE Electronic devices of such as the DDiag dual pressure gauge are considered Monitoring and control instruments purely B2B products as per category 9 The manufacturing process had been made in compliance with the European Directive 2002 95 EC RoHS Restriction of the use of certain hazardous substances in electrical and electronic equipment TUV SUD will take back gauges and dispose them in compliance with the technical state of the art Do not dispose old or defective electronic DDiag gauges in domestic garbage Please do strictly observe any electronic waste disposal laws and requirements of your country Any user of DDiag is entitled to return the DDiag gauges to the TUV SUD who will dispose of all parts at its own expenses DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 2 of 19 DDiag Electronic dual pressure gauge Table of Contents or W N 6 2 6 3 6 4 6 4 1 6 4 2 6 4 3 6 5 6 5 1 6 5 2 6 5 3 6 6 10 11 This manual describes all the essential software functions of the DDiag program General issues system requireme
19. nded validity of calibration as well as the expiry time page 10 of 19 DDiag Electronic dual pressure gauge TOV Industrie Service Pressure Sensor Test Wizard Test Device Channel 2 Prepare for testing device When ready start measuring Finally the transducers zero offset will be set and saved for E vas oars future measurements using this transducer v Self calibrating device gt Setting to zero point Set to zero Writing data to device EEPROM Press the Set to zero button and repeat that test for the second measuring range accordingly Sensornumber DS 50294 Channel 2 Measuring range 100 10 5 Pa bar mV Calibration date 10 2011 Recommended calibration after 36 months Calibration expires after 48 months 6 5 2 Calibration certificate f LA DS50294 Calibration Certificate DDiag DS Channel 2 Range 100 10 5 Pa bar The findings of the last factory calibration are saved in a non volatile memory of the transducer Diagrams can be displayed or printed Once you confirm the connected sensor by Next a a OW mca diagram appears with the deviations for the upper measuring range With the Enter key you can proceed to the lower pressure range ee m S88 8 FR FS RFBR BRB BR BK SB Z 105 Pa bar GS RFSsQeesaeaeevee et amp gs amp 8 8 For Help press F1 1A 0550294 Calibration Certificate DDi
20. nge pressure gauge on pressurized mediums You can alternatively display the current pressure Display like a digital manometer or record a pressure versus time measurement P f t lf no pressure gauge had been connected to the PC before a Sensor gt Test is required see 6 5 1 The Safety valve function requires specific hardware This program enables you to measure the pressure of the gauge and display it on the screen like a digital manometer It is especially suitable for displaying a static or quasi static process It is recommended to connect always the transducer to the pressurized equipment via the quick coupling Like during the sensor test the program starts a scanning process to identify the pressure gauge connected Click onto Rescan if no sensor has been detected The result of the measurement is displayed like a digital manometer In case you want to record a pressure time diagram select the menu Pressure gt P f t page 8 of 19 DDiag Electronic dual pressure gauge 6 3 Pressure Recording Wizard 0 100 0 250 par Diag tiur Pressure Diagram ame Welcome to the Pressure Recording Wizard With this program you can record pressure measurements and then display analyse the findings in a pressure time diagram After the automatic scanning process select the transducer to be used as well as the measuring rete The program is particularly suitable to evaluate
21. nt via the quick coupling Use this entry mask to include all relevant equipment information that later will become a part of the documentation Specify here also the file name to save this measurement Now select the required sampling rate lf you are uncertain what is the most suitable rate choose a higher rate as you can always compress the diagram if necessary The length of the recording is just limited by the capacity of the hard disk Press Continue to proceed to the next screen Before recording is started the selected measuring range the serial number of the transducer and the actual pressure are displayed Click onto Recording to start After starting measurement the Pressure Recording Wizard displays the actual pressure the number of measurements already and the time lapsed Behind the wizard the pressure versus time curve is displayed in red colour For Help press FL 2 E E To finish recording click onto Finish Zoom 1 1 Origin 3063 Len 840 6 4 3 Safety valve For this kind of measurement a specific gauge is required The relevant chapter of the user manual will be supplied together with the gauge DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 9 of 19 DDiag Electronic dual pressure gauge 6 5 Sensor A Untitled DDiag File Edit View Pressure Sensor Tools Help Test Calbration Certificate Export Import Header Industrie S
22. nts Safety instructions Technical data Software installation The software programs File Edit View Pressure Pressure gt Display Pressure gt P f t Safety valve Sensor Sensor gt Test Sensor gt Calibration certificate Sensor gt Export Import Header Tools Evaluating test results Software integrated automatic control of testing devices scope of delivery Accessory parts DDiag in brief z Industrie Service The user must not expect that the manual is exhaustive The software is subject to an ongoing further development and adaptation to new customer needs Consequently newly developed modules may show differences in the effective software function and the explanation in this manual All users will obtain the latest update version of the software whenever the transducer is returned to TUV Industry Service Muinich for re calibration 2004 2012 TUV Industry Services DDIAG 1 3 0 119 Online manual revision 20 September 2012 All rights reserved page 3 of 19 DDiag Electronic dual pressure gauge TOV Industrie Service 1 DDiag General issues The TUV Industry Service is an international inspection and certification body involved in various fields of safety inspections To enhance the competence of its own expert engineers conducting inspections and measurements on industrial plants and installations TUV SUD developed own PC driven measuring methods among others the dual range
23. pter external 72 thread HM Packing unit 25 pc OOOO AASS USB transmission cable for DPT 5 m with EMC protection Active USB transmission cable Extends the connection of the DPT to the PC for another 5 m maximum transmission length is 15 m DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 18 of 19 DDiag Electronic dual pressure gauge Industrie Service 10 DDiag in brief DDiag 1 electronic dual pressure gauge software accessory parts What is DDiag The contemporary PC driven tool for the recording analysis and documentation of any kind of pressure measurement on any kind of pressure equipment in industry and plant engineering Ready for use hardware amp software tool kit including all required accessory parts DDiag software for Windows including an online help and manual Communication from PC to pressure gauge via standard USB cable Main features Transducer with 2 separate measuring ranges 0 100 and 0 250 10 Pa bar or 0 400 and 0 630 10 Pa bar other measuring ranges on request Precision class 0 5 12 bit internal resolution Measuring rates alternatively 1000 Hz 100 Hz 10 Hz 1 Hz 0 1 Hz for both short time recordings of fast dynamic processes as well as long term pressure monitoring Excellent software tools for the evaluation and documentation of all test results including extensive digital filter functions compound view and multiple scaling features
24. results but states also the measuring parameters Sampling rate and Measuring range The result Pressure is the average value between both boundaries Lower limit is the time lapsed since the beginning of the recording until Cursor1 Upper limit correspondingly until the position of Cursor2 Time means the time period between both cursors The icons i ps automatically position the boundary lines to the minimum maximum value of the measurement and at the same time position the curve most conveniently In order to shift the whole diagram you can use the arrow keys or Page up down in case no boundary is activated or by moving the mouse on the Verschiebebalken at the lower edge of the screen When the Es icon is clicked all measuring results will be displayed on exactly one screen only DDIAG 1 3 0 119 Online manual revision 20 September 2012 page 14 of 19 DDiag Electronic dual pressure gauge TOV Industrie Service 2 xi The V icon starts the digital filter functions You Ace can select among 4 pre defined and 2 more custom Y m sj made filters for very special applications These ciety options are specifically made available for Standard 4 experienced users having particular Know how in that field The filter function does neither influence the m Low pass filter Suarnaanney N ESDS m course of the curve nor the recorded data that means the initial values are not changed and can be ME
25. witched off by ticking the field Do not show this page again lt is recommended that users before they gain experience keep the wizard switched on A Untitled DDiag Eile EGE View Pressure Sensor Tools Help gt a _ 6 2 Menu item Edit Comments Parameters In the Edit menu you will find 3 programs Copy copies the selected diagram to the clipboard Use the Comments menu to add any supplement information to be saved together with the curve Select Parameters to enter of modify specific data of the test such as equipment number rated pressure etc The menus Copy and Parameter are only available if a diagram is displayed 6 3 Menu item View The View menu provides several features to modify the information displayed on the screen On the Tool bar top all icons for tools are displayed which are currently available Most icons are only visible if a diagram is also displayed at the same time The functions Zoom in Zoom out View all Filter Information and Diagram properties are also accessible via the pull down menu View The Status bar bottom line provides brief information especially if a diagram is displayed If the Status window is activated it displays essential data of the current diagram Under certain conditions not all menu items can be activated Grid lines can only be switched on or off if at the same time the auto scale
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