ZFG 2000 User Manual
Contents
1. Printout of the miniprinter DYNAMIC PLATE LOADING TEST with LIGHT DROP WEIGHT TESTER TP EF StE Teil B 8 3 Instrument ZORN ZFG2000 settling curves ut tT ae date ig a single values mean Eva Testarea layer Institute operator Light Drop Weight Tester ZFG2000 Examples of the display After switch on After switching the device on the display shows Mo 02 04 01 14 17 56 Battery The date and the remaining power of the battery are shown empty battery battery full EERE Eee battery at 50 BEES Read card In the mode read card the data at the chip card are shown Upper line Number of a data set 2 date and time of the measurement 2 01 04 01 Eva 58 9 MN m 10 48 lower line dynamic deflection modulus Eyg The display changes every second 2 01 04 01 s 0 39 0 38 0 37 10 48 lower line single settings mm 11 Operating advice for the handling of the weight To click the falling weight into the fix and release mechanism use both thumbs as the sketch shows The falling weight should be lifted up using both hands until both thumbs are able to press on the top of the fix and release mechanism as the sketch shows Then the falling weight should be slowly lifted higher until the falling weight is snapped into the fix and release mechanism to prevent a hard snap in which may cause a wrong measurement Technical data Technical Data of t2. by the calibration institute see calibration sheet Pressing the lt Start gt button will start a single meas urement After execution you see on the display the maximum velocity and maximum setting of the pulse Function test In calibration mode you can prove the correct func tion of the sensor and the device The acceleration shown e g a 51 6 g is reduced by 1 g 0 1 g e g to a 50 6 g if you turn the load ing plate by 90 and changed another 1 g 0 1g e g to a 49 6 g if you put the plate on top 180 turn The acceleration shown have to be in the range of 40 60 setting the clock Press lt Mode gt button several times until you get Set clock lt Start gt selects Press lt Starb gt We 29 05 02 14 17 56 Press lt Start gt change the value above the cursor underlined value Press lt Mode gt The cursor jumps to the next posi tion Switch the device off to leave this mode Light Drop Weight Tester ZFG2000 Printer There are 2 keys at the top of the printer The outer right one opens the front door The left one is for controlling the paper feed Open the front door Press the outer right key towards the other button using thumb or forefinger see figure This will release the latch and the door can be swung out wards to expose the paper roll and you are ready to change the paper and ribbon Paper feed Press the lower part of the inner key see figure to carry out empty l
3. spare USB port Installation Install the software of the chip card reader accord ing to the enclosed manual and CD of the reader Insert the CD ROM and start the setup software e g Menu Start Execute D Setup exe Follow the instructions of the setup software A new folder is created in the start menu i Statistical Evaluation H Test Sheets Light Drop Weight Tester ZFG2000 Software ZFG2000 Excel template lolx Mechanische Werkst tten G Zom Benzstr 1 39576 Stendal Germany A CDROM IS included in the shipment of the ZFG2000 http www zom online de eMail info zorn online de It includes software a template for Microsoft Excel 0RN u En to read the data from the chip card into a PC To install the software insert the CD into the CDROM Falder for program fieafC ProgrammeZorizFG2000 Ses drive of your PC Usually the installation software is O E ee S t a rti n g au t oma ti c ally Folder for Microsoft Office templates C Dokumente und Einstellungen and Anwendungsdaten Select Statmenu ZFG 2000 8 Please click at Install Please install the driver of the card reader also Cancel A new item ZFG 2000 appears in the start menu after a Demo shect installation Several sample files are installed in your _ ma My Documents path EF Excel sheet ol Manual html E Manual pdf Click at lt Excel Template gt and a new empty sheet is opened in Excel mE Datei Bearbe
4. FG 0 Statistik dy 4 i m Bereit Le Please choose the right card reader lt card reader PC SC gt for the card reader that is shipped with the equipment lt card reader scard gt for older Towitoko card reader old scard dll driver xi lt ZFG2000 serial gt The ZFG2000 can itself be used sard reader Pcisc SCM Microsystems Inc SCR33x USB Smart Card Reader 0 as PC card reader Connect it using a standard SUB reader scard ser interface CMs sech ZFG2000 serial D9 cable to the PC You can also use a USB Serial ad apter cab e yo ucan g et bot h i n com p u ter S h O ps card info Read card Read file Data gt Excel Delete card Info Close W all transfer only to statistics Ready Click at lt Read card gt and all records are read from the card You have to provide a filename to store the raw data Enable the test records you want to transfer change color to blue Using lt Data gt Excel gt the selected data sets are transferred into the excel tables The raw data can be read in afterwards using lt Read file gt Use lt Delete card gt to delete all data from the card Checkbox lt All gt is used to enable disable all data sets of the same device type Select lt transfer only to statistics gt and the test re cords are only transferred into the statistics sheet no single pages for each test are created Light Drop Weight Tester ZFG2000 Sheet St
5. Gerhard Zorn Mechanische Werkst tten Inhaber Maschinenbauingenieur Bernd Zorn Benzstr 1 39576 Stendal Germany Telefon 49 3931 212579 Telefax 49 3931 713004 http www zorn online de mailto info zorn online de Operating manual Light Drop Weight Tester ZFG 2000 Light Weight Deflectometer Portable Falling Weight Deflectometer for the dynamic plate loading test corresponding to the German Technical Specification for Soil and Rock in Road Construction TP BF StB Teil B 8 3 1992 2005 Zorn Stendal All rights reserved Copy only with previous permissions of Zorn company Stendal We reserve the right to make technical alternations in case of further development 18 10 2005 Light Drop Weight Tester ZFG2000 Contents Page COME IIS seen aeons 2 Intended Purpose c csseeceecceeeseeeeeeeeeeeseeeeeeeeeeas 2 DKE E eee ERE E ee 2 MENU ein a ANANE NN 3 Calibr tion ModE siai a a 3 Setting the Clock sionen EEEN 3 RAMO Ga a a 4 Formula S ense T 5 Mantena Ees N 6 Automatic switch Ola een 6 SOWO e a Rett tone N 6 View Of the device ss 10 Printout of the miniprinter u 444 nee 10 Examples of the display ccccccccseeeeeeeseeeeeees 11 Operating advice for the handling of the weight 11 Tecnica data eeri nn een 12 View of the electronic device 2uu222usneneenenneenn 13 Calibration Institutes for Light Drop Weight SS TO ee a ee 14 Intended Purpose The Light Drop We
6. Microsoft Excel zfg_engl xlt if sien ee ne Z Dokumente und Einstellungen If not you can try to open the file by holding the shift a and i key down when you click at Open Eigene Dateien Mestan Pf IE Now you can change the template A 3 E05 Please be careful It is required that the cell names Desktop Ba ug for some special cells are not changed or deleted aa Fran You can also rename an already created xls file to o een zfg_engl xit Copy it into the template directory rei FTP i 3 Adressen hinzuf gen ndern Ain Remarks Hints It is required to allow the execution of macros that are not signed Menu Extras gt Macro Security middle or low If you use an older card reader Towitoko open the sheet Statistik dyn and go to the cell B51 the field behind the cell DII Delete the content of this cell MCSCM dll During installation of the card reader you are probably asked not to install the driver because it is not signed by Microsoft You should nevertheless continue with the installation OONOOFRWDN ON ON mmm I KZ Light Drop Weight Tester ZFG2000 View of the device grip top fix and release mechanism guide rod round grip 10 or 15 kg falling weight lock pin set of steel springs anti tipping fixture load centre ball carry grip loading plate socket for the connection to the electronic device 13 adapter plate 10
7. atistik dyn Please enter in lt Statistik dyn gt the minimum quantile that is required depending on the street classification The quality number is calculated automatically At least 2 tests are required for a working statistics The statis tic evaluation is done using the principle Simple plan variable testing see standard TP BF StB Teil E1 1993 Only E is evaluated Sheet ZFG single records For each single test 3 drops one single sheet is cre ated using ZFG 0 as template The numerical re sults and the deflection time diagram are shown I Microsoft Excel zfg_engli iol x H Datei Bearbeiten Ansicht Einf gen Format Extras Daten Fenster AdobePDF 9X O BESR GRY B o A a Mio B Ti s Auftraggeber v fe Read Card Test sheet statistics Determination of the dynamic deflection modulus Instrument Light Drop Weight Tester ZFG 2000 Manufacturer ZORN Stendal Germany TP BF StB Teil B 5 3 2003 TP BF StB Teil E1 1993 Client a Project Test depth Date 22 8 05 r Layer Card number 190805175354 Remarks Device number 2401 Weather Temperature Device type 300 mm0 kg Operator Required minimum quantile 25 MNAn Test points 19 Deflection mm single values Date Time s1 s2 s3 Evd MNim remarks BEE 5 mean as ial Tee Gee ee ee ee E ey 5 0454 0445 0460 o4s3 saz o S 25 6 22 08 2005 09 27 osso osos os
8. e plate 0 1 Mpa for the 10 kg load As mm settlement Light Drop Weight Tester ZFG2000 Maintenance Store the Light drop weight tester at a dry place if not used Batteries The NiCd rechargeable batteries in the Electronic Device can be recharged by using the supplied AC DC adapter or directly from a car s electrical power supply Recharge the batteries in a regularly interval at least 6 month After 3 month of no use the batter ies can be discharged by up to the half of the ca pacity The charging is done after 3 to 12 hours Maintenance of the loading device Clean the loading device by removing any dirt with a dry cloth Do not grease the guide rod which is made of rustproof steel Store the tester carefully when transporting it and check the drop height regularly see calibration sheet Automatic switch off Protection against deep discharge The device is protected against deep discharge of the batteries If the voltage of the battery is too low the device is permanently switched of In this case it can not switched on with the lt Start gt button Connect the charger and charge the batteries to get it working Automatic switch off no use The device is automatically switched of after 4 minutes of no use key pressed Software The device is shipped with a chip card reader and software on CDROM A PC with at least Windows 95 and Microsoft Excel is required The chip card reader is connected to a
9. he loading device Mass of the falling weight Mass of the guide rod including the spring element made of steel springs lock pin of the falling weight release mechanism and stabiliser Maximum amplitude of load pulse calibrated pulse width Light Drop Weight Tester ZFG2000 Scope of delivery electronic device ZFG2000F belt key cable connection of the plate card reader for PC serial power supply unit 10 kg 15 kg guide rod with falling weight loading plate 300 mm with 5k u 3 sensor option exchangeable loading plate diameters 7 07 kN 18 ms 300mm 150mm 50mm CBR Technical data of the loading plate CBR Stamp diameter optional diameter CBR stamp optional Mass of loading plate or CBR stamp 300 mm 150 mm 50 mm 15 kg Technical data of the electronic device overall dimensions mass measuring range of deflection measuring range of the sensors frequency range temperature range power supply battery pack power supply unit input output automatic switch of after no use battery voltage too low 180x80x45 mm app 4 kg 0 2 to 30 mm 0 02 mm 100 g 0 500 Hz 0to 50 C 9 6 V 5 Ah 8 x NiCd 100 240V 50 60Hz 16 18V 2 19A A min 7 6 V values in bracket can delivered on request 12 Light Drop Weight Tester ZFG2000 View of the electronic device Netz 12 24V Made in Germany ZFG OOQ ee u en 13 Light D
10. he printer door More paper may now be fed through by pressing the paper feed button on the front panel Ribbon Cartridge Replacement Tear off any paper emerging from the printer Open the printer door by pressing the door latch inwards Light Drop Weight Tester ZFG2000 Place forefinger against the upper edge of the mechanism mounting case and thumb against the base of the door figure s7 Carefully press the door and chassis in vertically opposite directions until the catch is released Do not pull the door and chassis apart without first releasing the catch Swing the chassis back leaving the door fully open This will expose the printer mechanism and ink ribbon cartridge Press down on the end of the ink ribbon cartridge marked PUSH figure and carefully remove the used cartridge Fit a replacement cartridge ensuring that the paper lies between the ribbon and the steel printer platen Check that the ribbon cartridge spindle is correctly seated over the printer ribbon drive shaft and shape the cartridge into place Ensure that the ribbon is taut and parallel to the paper If necessary tighten the ribbon by turning the fac eted disc clockwise by using fingernail figure If there is some paper protruding from the front of the printer mechanism ensure that it will pass clearly through the guide channel and past the tear bar before snapping the chassis shut against the back of the door Turn the pape
11. ight Tester ZFG 2000 is used to inspect subgrade and or subsoil as well as granular base layers during road construction It is a quick method to evaluate the dynamic deflection modulus Ew In MN m This modulus is an index of the bear ing capacity on subgrade subsoil granular layers made of unbound aggregates or recycled materials backfilling materials soil stabilisation with lime and on earth roads The Light Drop Weight Tester is a alternative to the static Plate Bearing Test DIN 18134 BS 1377 ASTM D1195 D1196 and offers the following ad vantages No necessity of a loaded truck as a required counterbalance of the static plate bearing test Measurements are also possible under narrow conditions i e ditch fillings back fillings core holes or other points that are difficult to reach Only little space is needed and the mass of the test equipment is low The measurement takes only three minutes per test point Using To carry out a measurement the loading plate should be placed carefully on the prepared test surface By aid of turning and sliding it should be possible to get the plate in full contact to the ground To ensure an even test surface dry sand should be used if necessary The sand does not have to fill more than the cavity immediately be neath the loading plate Connect the loading plate with the electronic device with the cable Put the guide rod with the falling weight on top of the loading plate P
12. ine feeds This will continue for as long as the button is held down Be sure that the printer is switched on eventually press the lt Print gt button before Paper Roll Replacement Attention To avoid dust damage and ex haustive wear of the printer change the paper always indoors Tear off any paper emerging from the printer Open the printer door as described above and swing the door open to expose the paper roll If any paper remains in the printer tear the end off against the paper tear back and carefully pull the remaining paper backwards from the rear the mechanism mounting chassis until the free end remerges Press the paper roll retaining button inwards using thumb and forefinger see figure and remove the empty roll core Take a new roll of paper and separate the end from the rest of the roll Remove any damaged or gummed part of the paper and cut the free and squarely with a pair of scissors or a knife leaving a clean straight edge to present to the printer mechanism Thread the new roll past the retention button onto the spindle with the paper unspooling in an anti clockwise direction when viewed from the open end see figure and put the paper in the paper slot Press the paper feed actuator arm at lower right until the mechanism grips the paper and pulls it through to the front of the printer figure Turn the paper roll so that any loose turns are wound snugly against the roll Close t
13. iten Ansicht Einf gen Format Extras Daten Fenster AdobePDF f X D SHAA RVA E Bir e Fie a s_Auftraggeber v f Read Card Test sheet statistics It is required to allow the execution of macros that are Instrument Light Drop Weight Tester ZF 2000 not signed Menu Extras gt Macro Security middle or TP BF SO Tei B 8 3 2003 TP BF SI Tel E1 1983 low Client Project j The template contains two pages All results are stored Test depth Date 22 8 05 at the page lt Statistik dyn gt and evaluated using sta Layer Card number 190805175354 tistical methods The page lt ZFG 0 gt IS a template for Remarks Device number 2401 the single test sheets that are created for each test PEE one ene aoa l point itself ee We recommend editing the page lt ZFG 0 gt before you Required minimum quantile 25 MNAm transfer the data fill in the fixed header data This PIS Frost points E information is taken automatically to the new pages a S a a ee Date Time s1 2 Evd MNAm remarks ee eS EEnnBaBE Please click at lt Read card gt The dialog window for m 2208 2008 oee ass Tossa ass er the card reader will appear 26 BE BE VE EEE EN GE m j Arithmetic average of spot check Xm Evd 53 05 MN m Standard deviation s Evd 11 17 MNAM Variation coeffizient V Evd 19 2 Quality number Q Euvd 2 96 The test Q gt 0 35 is valid M o4 gt nm ZFG 1 Z ZFG 2 Z ZFG 3 Z Z
14. lt Start gt show Ew s 0 62mm E 36 3 MN m You see the mean of the 3 settings and the dy namic deflection modulus Eyg Press lt Print gt to print a test record You can print as many test records as you want To execute a new measurement you have to switch off the device before lt Off gt button If you have not inserted a chip card you will get a warning Simply press lt Start gt to do your meas urements nevertheless The data are not stored in this case Please verify after a measurement that the data are stored on the card menu view card Before first using the card has to be formatted deleted menu delete card In case of error you get the message repeat pulse Possible reasons are the soil is to soft v gt 4000 mm s or s gt 65 mm the accelerometer is faulty there is a faulty contact between the plug and the socket in the loading plate the cable to the loading plate is broken In any one of this cases it is not possible to make any further measurements with the Light Drop Weight Tester Menu Light Drop Weight Tester ZFG2000 Pressing the lt Mode gt button several times you can access additional functions of the device Pressing lt Start gt selects the chosen option Menu entry View card Card info delete card Set clock Sprache Deutsch Language English Change device type Plate 300mm Plate 150mm falling weight 15kg CBR stamp Calibration Deviceinf
15. nnen die Ansicht z B Details oder Kacheln die Ste fur diesen Ordner verwenden f r alle Ordner bernehmen Open the template as xIt file directly Alle zuricksetzen The template zfg_enlg xlt is stored in the template directory of Microsoft Excel Usually you can not see this directory in the Explorer Das Paar als eine einzige Datei anzeigen und verwalten A To enable it go to Popupinformationen fur Elemente in Ordnem und auf dem Desk c Documents and Settingsluser C Systemsteuerung unter Arbeitsplatz einblenden a te Yerschlusselte oder komprimierte NTFS Dateien in anderer Fart using the windows explorer replace user with your Bel fe Dan Und Cider user name 1 nd Ordner anzeig Er Select folder options in the menu and activate O ner ausblenden Vollstandig n Ffad in Adressleiste anzeigen Show hidden files and folder C Yollst ndiger Pfad in der Titelleiste anzeigen C Vorherige Ordnerfenster bei der Anmeldung wiederherstellen show all files and folders iili gt Now you should see the path Application Data Typical template folders of Microsoft Office are depending on version C Documents and Settings User Application Data Microsoft Templates C Program Files Microsoft Office Templates Offnen Suchen in Yoan sid we t In Excel go to that path and open the template a en zfg_engl xit The header of Excel now changes to Dateien von and 3 verlauf O Gemeinsame Dokumente
16. o calibdate Version No description function of the keys browse through the data of a chip card inserted Start browse forward Mode browse backwards Print print the selected test record Show the current maximal number of data sets at the card and the card number Start Show additional data size of card and write cache in Bytes Mode back to the menu Print Format delete the card The card is signed with a number combination of the current date time Start start deleting Mode back to the menu Print Change clock settings Start change the digit above the cursor Mode switch to next digit Print Choose the language for printing and menu German Choose the language for printing and menu Choose the plate or loading device used only available if you have that options Switch to calibration mode see chapter calibration mode Start start one single meas urement Mode back to the menu Print Set F to zero Shows the device number and the date of the last cali bration Start Mode back to the menu Print Shows the version of the device and the firmware Start Mode back to the menu Print Calibration mode The calibration mode is used for the calibration and the function test of the device The current values of the sensors are shown a 51 6g k 0 993 upper right current acceleration offset 50g in g 19 9 81m s gravity lower right calibration factor set
17. os ona ssas EEE es Ee ee ee eee ee Arithmetic average of spot check Xm Evd 58 08 MNim Standard deviation s Evd 11 17 MN Variation coeffizient V Evd 19 2 Quality number Q Euvd 2 96 34 The test gt 0 88 is valid Bota M 4 gt pI 2FG 1 Z 2FG 2 ZFG 3 ZFG 0 Statistik dy i H Bereit L Ea Microsoft Excel zfg_engli oO x Datei Bearbeiten Ansicht Einf gen Format Extras Daten Fenster Adobe PDF al Fel OSESAR S6AY Bo Sx Bsl i 0 Q vie _Auftraggeber v f Test sheet Instrument Light Drop Weight Tester ZFG 2000 Manufacturer ZORN Stendal Germany TP BF StB Teil B 8 3 2003 Client m Project Date 2 4 01 15 44 Test depth Number ofthetest 5 r Layer Card number 190699204645 Remarks Device number 2305 eatherTemperature Device type 300 mm 10 kg Operator Result Defelction s mm eee ee 192 0 0 886 ans 0 887 191 6 0 879 i CRESENERSEE 121 0 884 Deflection time diagram time t ms 0 5 10 15 20 25 30 35 40 0 Gr enachse x Me yo a Deflection s mm 1 M 4 gt pil 2FG 8 ZFG 9 f 2FG 10 Z 2FG 11 Z 2FG 12 Z 2FG Bereit Light Drop Weight Tester ZFG2000 Customizing the Excel template Ordneroptionen Allgemein Ansicht Dateitypen You can easily change the template e g store com pany logo or company address permanently Ordneransicht Sie ko
18. r roll by hand so that any loose turns are wound snugly against the roll Close the door and check that the paper flows freely using the paper feed button Self test To perform the self test of the printer press the lt Start gt button to switch the measur ing device on press and hold the paper feed button of the printer press and release the lt Print gt button of the measuring device The printer is printing test lines for as long as the paper feed button is held down Consumables available ribbon cartridge EPSON ERCO9 paper roll width 57 mm diameter 4 5 cm length19 m The consumables are available from the manufac turer Use of this paper is recommended as most paper rolls from other sources are too large to fit within the printer housing and may be of inferior quality causing dust and wear Formulas Calculation of Ey The dynamic deflection modulus Ew is calculated from the measured settlement s 22 93 Eur 300 mm plate and 10 kg load 45 Fj 150 mm plate and 10 kg load 33 75 S E 300 mm plate and 15 kg load MN Ez 5 dynamic deflection modulus m S mm settlement This is based on a theory called half space model the static loaded elastic half space below the plate The static Plate Bearing Test BS 1377 ASTM D1195 D1196 is also based on that theory The common formula is E l yo As r mm radius of the plate Ao MPa stress pressure below th
19. rop Weight Tester ZFG2000 Calibration Institutes for Light Drop Weight Testers incomplete list a full list is available from http www bast de htdocs qualitaet p stelle tp bf_neu htm Mechanische Werkstatten Stendal Gerhard Zorn Benzstr 1 39576 Stendal Germany Tel 49 0 3931 212579 Fax 49 0 3931 713004 Materialpr fungsamt des Landes Brandenburg Berlin Muggelsee Damm 109 12587 Berlin Germany Tel 49 0 30 64186 154 Fax 49 0 30 64186 177 14
20. ull the lock pin at the drop weight and turn it by 90 to release the weight To avoid damages ensure that the lock pin is NOT in lock position It has 2 positions one locked for transportation and one 90 released for measurements The test area should be preloaded with three load pulses Lift up the falling weight and snap it in into the fix and release mechanism at the top of the guide rod After adjusting the guide rod to the verti cal the falling weight has to be released and after rebound snapped in again at the top of the guide rod After three preloading pulses switch on the electronic device by pressing the lt Start gt button Mo 02 04 01 Battery The display show the current date and time and the charge condition of the built in rechargeable batter ies 8 dashes battery empty 8 blocks battery full If you want to store the measurements insert the chip card now Press lt Start gt start measurements Measuring mode 300mm 1 execute pulse You see the current size of the loading plate and the hint to execute one pulse Execute 3 pulses During measurement you see the settings of the 3 pulses on the display S 0 63mm 2 execute pulse S 0 63mm s gt 0 62mm 3 execute pulse S 0 63mm so 0 62mm S3 0 62mm The measurement results are stored at the chip card automatically After app 2 seconds the data are stored and the number of the data set is shown 1 S3 0 62mm 1 Press
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