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4.7 Results

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873 Biodiesel Rancimat

Formula 2 for stability time

Result of the calculation with formula 2.

Formula 3 for stability time

Result of the calculation with formula 3.

Gas flow

Gas flow through sample.

Unit

Number of the instrument used for the determination.

ID 1

Sample identification 1.

ID 2

Sample identification 2.

Induction time automatic

Automatically determined induction time.

Induction time manual

Induction time manually determined with the reevaluation.

Channel

Number of the channel used for the determination.

Method name

Name of the method with which the determination has been carried out.

Standard time

Automatically calculated standard time.

Serial number

Serial number of the instrument used to record the determination.

Stability time

Automatically or, with the reevaluation, manually determined stability time.

Temperature

Temperature as defined in the method.

Содержание 1.873.0014

Страница 1: ...873 Biodiesel Rancimat Manual 8 873 8003EN...

Страница 2: ......

Страница 3: ...Metrohm AG CH 9101 Herisau Switzerland Phone 41 71 353 85 85 Fax 41 71 353 89 01 info metrohm com www metrohm com 873 Biodiesel Rancimat Manual 8 873 8003EN 03 2009 jb ars...

Страница 4: ...entation is protected by copyright All rights reserved Although all the information given in this documentation has been checked with great care errors cannot be entirely excluded Should you notice an...

Страница 5: ...ernal air supply 10 3 2 2 Mounting accessories for the external air supply 13 3 2 3 Equipping the reaction and measuring vessels 13 3 2 4 Inserting vessels Establishing tubing connections 16 3 2 5 Mou...

Страница 6: ...55 4 5 2 Parameter description 60 4 6 Determinations 75 4 6 1 Preparing the instrument and the accessories 76 4 6 2 Preparing the determination 77 4 6 3 Starting the determination 79 4 6 4 Cleaning th...

Страница 7: ...lems 159 7 Technical specifications 165 7 1 General data 165 7 2 Temperature regulation and measurement 165 7 3 Conductivity measurement 166 7 4 Gas flow regulation 166 7 5 GLP test set 167 7 6 RS 232...

Страница 8: ...re 2 Front 873 Biodiesel Rancimat 7 Figure 3 Rear 873 Biodiesel Rancimat 8 Figure 4 Mounting accessories for the air supply rear of the instrument 11 Figure 5 Equipping the reaction and measuring vess...

Страница 9: ...so be determined In the case of con ductivity changes stages which do not have anything to do with the autoxidation the evaluation can be interrupted for definite time intervals The results determined...

Страница 10: ...ylic acids as secondary oxidation products With the Rancimat method the sample is exposed to an air flow at a constant temperature between 50 220 C see Figure 1 page 3 Highly volatile secondary oxidat...

Страница 11: ...into operation The documentation contains information and warnings which have to be followed by the user in order to ensure safe operation of the instrument 1 3 1 Symbols and conventions The followin...

Страница 12: ...ge of instruments or instrument parts Note This symbol marks additional information and tips 1 4 Safety instructions 1 4 1 General notes on safety Warning This instrument may only be operated in accor...

Страница 13: ...to the heating block can be dan gerous Check the glass vessels before each use 1 4 2 Electrical safety The electrical safety when working with the instrument is ensured as part of the international st...

Страница 14: ...hemicals Warning All relevant safety measures are to be observed when working with flam mable solvents and chemicals Set up the instrument in a well ventilated location e g laboratory flue Keep all so...

Страница 15: ...reached 4 Error display red Lights up or flashes when a fault has occurred in the instrument see Troubleshooting Chap ter 5 Instrument number display Indicates the number of the instrument Lights up i...

Страница 16: ...ctrode connector For connecting the conductivity measuring cell integrated in the measuring vessel cover 2 7 3 Air supply connection For connecting the FEP tubing 250 mm 2 6 4 Mains switch For turning...

Страница 17: ...ng 250 mm 6 1805 080 For supplying the air from the drying flask to the reaction vessel 2 11 15 From Flask connection 16 Air N2 in connection 17 FEP tubing 130 mm 6 1805 010 For connecting the Air out...

Страница 18: ...sive environments Place the instrument in a location of the laboratory suitable for operation and free of vibrations if possible protected from corrosive atmospheres and contamination by chemicals The...

Страница 19: ...250 mm 6 1805 080 For supplying the air from the drying flask to the reaction vessel 2 11 7 From Flask connection 8 Dust filter 6 2724 010 9 To Flask connection 10 Air out connection 11 FEP tubing 130...

Страница 20: ...of the FEP tubing 250 mm 4 6 onto that open ing on the drying flask cover at the bottom of which the filter tube is located Screw the other end of the FEP tubing onto the From flask con nection 4 7 on...

Страница 21: ...ection 4 12 on the rear of the Biodiesel Rancimat Screw the tubing adapter M6 olive 6 1808 020 onto the other end of the FEP tubing 2 Connect the gas supply Mount the gas supply from the bomb with syn...

Страница 22: ...ead adapter M8 M6 6 1808 090 4 Tubing connector For connecting the Iso Versinic tubing 5 Air tube 6 2418 130 6 O ring 6 1454 040 7 Connection For connecting the thread adapter M8 M6 8 Reaction vessel...

Страница 23: ...cover 5 16 on the measuring vessel 5 20 2 Mount the reaction vessel cover Insert the air tube 5 5 from below into the connection 5 7 of the reaction vessel cover Place the O ring 5 6 over the upper e...

Страница 24: ...supply connections 3 3 of the Biodiesel Rancimat 3 Insert the reaction vessel Fill the reaction vessel 5 10 with the sample After reaching the required temperature insert the reaction vessel with the...

Страница 25: ...e Iso Versinic tubing into the correspond ing opening on the collection tube Seal the unused openings on the collection tube with the enclosed plugs E 400 0010 3 Connect the exhaust collection tube Co...

Страница 26: ...s connection socket 3 Replace fuses Carefully take the defective fuses out of the fuse holder and replace them with two new fuses suitable for the set mains voltage of the type TH slow acting with hig...

Страница 27: ...with the RS 232 cable 6 2134 100 The PC program 873 Biodiesel Rancimat allows control of max 4 instru ments The following options are available for connecting the instruments to serial PC interfaces...

Страница 28: ...og language Select the dialog language of the program Click on the OK button Click on the Next button 3 Accept the license agreement Read through the license agreement and accept it with Yes 4 Define...

Страница 29: ...pdate 1 Exit 873 Biodiesel Rancimat if you have started the software after the installation Start the installation file by double clicking and follow the instruc tions of the installation program 3 4...

Страница 30: ...s Leave the Old password field empty Enter a new password for the Administrator in the New pass word field Reenter the password in the Confirm new password field and confirm with OK The dialog window...

Страница 31: ...3 Installation 873 Biodiesel Rancimat 23 Establishing the device communication 1 Follow the instructions in Section 4 2 1...

Страница 32: ...program Proceed as follows to start and exit the program Note If you are starting the program for the first time you first have to set an Administrator password see Chapter 3 4 3 page 21 1 Start progr...

Страница 33: ...sults window Reevaluation Reevaluation refers to the subsequent revision of a determination in particular the manual specifi cation of the induction time using tangents Recalculation The recalculation...

Страница 34: ...user the instrument status Menus The Control window contains the following main menus File Create new methods open existing methods manage methods open Results window print new login close program Vi...

Страница 35: ...atus overview for the instruments connected see Chapter 4 3 2 page 44 Instrument informa tion Instrument information see Chapter 4 3 1 page 42 GLP status Display GLP status see Chapter 4 8 3 page 140...

Страница 36: ...ile Results or the symbol When opening the Results window the database Repos mrd is auto matically loaded in which all recorded determinations are saved by default 2 Close Results window In the dialog...

Страница 37: ...indows Help Display program specific Online help Symbols The toolbar of the Results window contains the following symbols Print Print results curves and overview lists see Chapter 4 7 6 page 124 Copy...

Страница 38: ...verview to Word see Chapter 4 7 6 page 124 Export to Excel Export Determination overview to Excel see Chapter 4 7 6 page 124 Export measured val ues Export measured values to a TXT file see Chapter 4...

Страница 39: ...also be selected by click ing with the right mouse button on the required dialog window or element The menu options opened depend on the active dialog window or element selected 4 1 7 Mouse functions...

Страница 40: ...hs appears Click on the menu item Zoom Off 4 1 8 Help You can call up help for the current topic anywhere with the symbol the menu item Help Help topics or the key F1 Green text can be clicked on This...

Страница 41: ...munication between your PC and the 873 Biodiesel Rancimat as follows 1 Select number of instruments connected In the Control window click on the menu item Options Com munication The following dialog w...

Страница 42: ...ll connected instruments 4 2 2 Managing access rights The 873 Biodiesel Rancimat program offers extensive password protec tion allowing each menu item to be provided with individual access rights The...

Страница 43: ...sers and groups manager In the Control window click on the menu item Options User permissions 2 Create new group Right click on an existing group to select the menu item Add group Under Enter new grou...

Страница 44: ...required options by clicking on the symbol Confirm the changes with OK Adding a new user Proceed as follows to add a new user 1 Open Users and groups manager In the Control window click on the menu it...

Страница 45: ...to delete an existing group 1 Open Users and groups manager In the Control window click on the menu item Options User permissions 2 Delete group Right click on the group to be deleted in order to sel...

Страница 46: ...e following dialog window appears 2 Set automatic start time Under Start heating select the option Once Under Start at enter the required time and date Confirm the entries with OK Starting heating blo...

Страница 47: ...at enter the required time and confirm with OK 4 2 4 Gas flow control The gas flow produced by the internal pump through the reaction vessels to the measuring vessels can be switched on and off manua...

Страница 48: ...emperature can be recorded at any time for each individual heating block The program writes the recorded measured values into a text file containing the following values t s Time in seconds Block C Te...

Страница 49: ...installation this file is located at C Program Files Metrohm Biodiesel Ranci mat Template As soon as the file is greater than 10 MB you should optimize and compress the program so that this file no lo...

Страница 50: ...ow and the program Biodiesel Rancimat see Chapter 4 1 1 page 24 2 Optimize database In the Windows Start menu click on the menu item Pro grams Metrohm Biodiesel Rancimat Opti mize Database 4 3 Program...

Страница 51: ...d instrument Program number Number of the EEPROM program of the selected instrument Last maintenance Date of the last maintenance with signature of the service technician who has carried out the servi...

Страница 52: ...dialog window In the Control window click on the menu item View Status overview The following dialog window appears 2 Adjust and save column width You can adjust the column width to the required size...

Страница 53: ...on error between instrument and PC Stab time Stability time determined Induc time Induction time determined Set temp Setpoint temperature defined in the method Current temp Current block temperature 4...

Страница 54: ...status of the log file 3 Save log file Click on the symbol or the menu item File Save as In the dialog window Save file as enter a file name and confirm with OK 4 Open saved log file Click on the sym...

Страница 55: ...e certain entries from the event file 1 Open dialog window In the Control window click on the menu item Options Event log The following dialog window appears 2 Delete entries Enter the maximum age in...

Страница 56: ...ts of the conductivity measuring cells used in the Biodiesel Rancimat which are normally in the range from 1 00 1 20 only have to be entered exactly if the absolute conductivity measured value is to b...

Страница 57: ...h OK Determining cell constants automatically Proceed as follows if you wish to enter the cell constants automatically 1 Open dialog window Click on the menu item Tools Cell constants Automatic The fo...

Страница 58: ...d can be used 3 Start determination and check the values Click on Start to start the determination of the cell constant After the determination is finished the dialog window Enter Check cell constants...

Страница 59: ...05 080 For supplying air into the reaction vessel 2 Pt100 temperature sensor 3 Thread adapter M8 M6 6 1808 090 4 Opening for temperature sensor For inserting the temperature sensor 5 Air tube 6 O ring...

Страница 60: ...the reaction vessel with 5 g silicone oil e g FLUKA 85409 Place the reaction vessel cover with the temperature sensor on the reaction vessel Push the temperature sensor fully downwards the sensor must...

Страница 61: ...u item Tools Gas flow control Gas flow on Click on the button Heat to xx C Executing a Delta T determination After you have prepared everything for determining Delta T see Preparing Delta T determinat...

Страница 62: ...ured temperature is now stable appears in the message box The following three values are displayed below the message box Block temperature Temperature which has been measured in the heating block with...

Страница 63: ...e Please wait appears in the message box 3 Accept measured values Click on the Accept button in order to accept the determined temperature correction Delta T in the method This is followed by the mess...

Страница 64: ...b Evaluation and also adjust the parameters Repeat for all remaining tabs Note You can find a detailed description of all tabs and their parameters at 4 5 2 Parameter description 3 Save method Click o...

Страница 65: ...page 60 Confirm the changes with Save Opening an existing method and adjusting parameters Proceed as follows to open an existing method and adjust its parameters 1 Open existing method In the Control...

Страница 66: ...he required method and then the button Rename The method name is highlighted in blue Enter the new method name and click with the mouse on the free white area below the method name in order to accept...

Страница 67: ...n existing method Note A method which is still selected in one of the blocks A or B cannot be deleted Select another method first in order to delete the required method 1 Open Method manager In the Co...

Страница 68: ...2 Print parameters Click on the Print button The dialog window Print Setup opens All the printers installed on your PC appear under Name Select the required printer and confirm with OK 4 5 2 Paramete...

Страница 69: ...ature This value is determined through measurement of the deviation by the current temperature of the sample from the heating block temperature using a cali brated external temperature sensor see Chap...

Страница 70: ...rnal pump on off Default value on Switch on off gas supply with internal pump If the internal pump is switched off an external gas supply must be connected to the Air N2 in connection see Chapter 3 2...

Страница 71: ...ew of stop criteria Time Conductivity Endpoint s Analysis stops not automatically after the time entered independently of reach ing the induction stability time endpoint after reaching the conductivit...

Страница 72: ...value off Automatic deactivation of the heating at the end of the determination Shut off gas flow on off Default value off Automatic deactivation of the gas flow at the end of the determination Cautio...

Страница 73: ...Default value off Determination of the stability time see Stability time page 67 Note If you select this evaluation mode you always need to calibrate the con ductivity measuring cell beforehand Delta...

Страница 74: ...cceptance of smaller maximums of the second derivative Higher values require a higher maximum Range 0 1 9999 Induction time The induction time is the time to the break point of the curve conduc tivity...

Страница 75: ...ty time The stability time is the time which is necessary in order to attain a specified conductivity change Delta Kappa Stability time Time Delta Kappa Conductivity The entry of an evaluation delay o...

Страница 76: ...e end value of the time axis End value End value of the time axis with manual scaling Range 0 5 100 h Conductivity axis y Selection Auto scaling Manual scaling Auto scaling Automatic definition of the...

Страница 77: ...ny time in the determination overview see Chapter 4 7 5 page 117 Formula 1 for induction time on off Default value off If this option is switched on the automatically determined induction time will be...

Страница 78: ...me for a temperature deviating from the measuring temperature the so called standard time The settings here do not have any effect on the measuring sequence or the evaluation After finishing the measu...

Страница 79: ...ed at different temperatures Range 0 001 100 Target temperature Target temperature for the calculation of the standard time Range 20 300 C 4 5 2 6 Documentation tab This tab contains parameters for th...

Страница 80: ...Stability time Standard time Formula 1 Formula 2 Formula 3 Automatic report output Send to printer immediately on off Default value on Automatic printout of the report defined under Include in report...

Страница 81: ...109 h Induction time 3 23 Method name FAME Creator Administrator Creation date 08 02 2007 08 27 20 Temperature 120 Start delay 0 Stop time 0 00 Stop at conductivity 200 Stop at endpoint Evaluation del...

Страница 82: ...4 5 Methods 74 873 Biodiesel Rancimat 4 5 2 7 Description tab You can enter a comment on the method in this tab...

Страница 83: ...4 5 2 Start heating Enter sample identifiers Temperature reached no yes Insert and connect reaction vessels Start determination Section 4 6 2 Section 4 6 2 Section 4 6 2 Section 4 6 3 Stop crit reache...

Страница 84: ...out of the openings with nitrogen If the instrument is not used always seal the openings with the sealing plugs 2 Fill the measuring vessels Note Only use measuring vessels and accessories which are...

Страница 85: ...t film so that the vessel covers can be removed more easily after the determination Insert an air tube 5 5 in the connector 5 7 of the reaction vessel cover fix it with the O ring 5 6 and fasten it by...

Страница 86: ...e color of the button frame changes to red and the temperature display 2 3 on the instrument flashes The current temperature is dis played directly next to the button Heating up duration for 120 C app...

Страница 87: ...easuring vessel covers Screw the FEP tubings 250 mm 5 1 to the thread adapters 5 3 of the reaction vessel covers and the air supply connections 3 3 of the Biodiesel Rancimat 4 6 3 Starting the determi...

Страница 88: ...with acetone or 2 propanol and rinse with distilled water Pre clean with washing up liquid in the case of severe contamination Remove the protective ring 5 19 to be able to clean the electrodes 2 Clea...

Страница 89: ...parameters The following dialog window appears 2 Adjust the parameters Adjust all required parameters see Chapter 4 5 2 1 page 60 Confirm the changes with OK 4 6 6 Stopping the determination manually...

Страница 90: ...Before a determination No active measurement The channel is ready for starting a determination No active measurement Communication error between instrument and PC During a determination Determination...

Страница 91: ...he described methods via the context menu Further below in this section you will find a detailed description of all param eters of the dialog windows of the determination overview see Parameter descri...

Страница 92: ...e right column under Display In the column Selection click on a field which is to be displayed in the determination overview Click on the button In the column Display click on a field which is not to...

Страница 93: ...tween two col umns The cursor assumes the following form Drag the column width to the required size keeping the left mouse button pressed down 3 Adjust the cell format Click on the menu item Format Fi...

Страница 94: ...the determination overview 1 Select a line Place the mouse button on the left edge of the line to be selected The cursor assumes the following form Click on the line 2 Select several lines Place the...

Страница 95: ...ck on the button Find first in order to search through the determination overview Sorting determinations Proceed as follows to sort the columns of the determination overview 1 Sort column ascending Cl...

Страница 96: ...ations Click on the symbol or the menu item Determination Fil ter Selection not in filter Filtering determinations with the Selection based filter Proceed as follows to filter the entries of the deter...

Страница 97: ...on the symbol or the menu item Determination Fil ter Special filter sorting The following dialog window appears 2 Select the fields which are to be filtered In the dialog window Anzeige bersicht doub...

Страница 98: ...ayed that was carried out on April 5 2000 at a temperature of over 110 C In addition the dialog window Determination data uses the word FILTER to indicate that the displayed data is filtered Click on...

Страница 99: ...ile Directory in which the determination file TXT file has been saved Evaluation sensitivity Evaluation sensitivity used for the determation of the induction time User Name of the user who was logged...

Страница 100: ...e automatic Automatically determined induction time Induction time manual Induction time manually determined with the reevaluation Channel Number of the channel used for the determination Method name...

Страница 101: ...in Selection to Display Move selected field in Selection to Display The field is inserted at the end of the list Move selected field in Selection to Display The field is inserted above the field sele...

Страница 102: ...Display horizontal grid lines Vertical on off Default value on Display vertical grid lines Cell Effect Selection Flat Raised Sunken Flat Flat view of the cells Raised Raised view of the cells Sunken...

Страница 103: ...the fonts installed on the PC Selection Font type Effects Underline on off Default value off Choice of underlining for characters Color Color for the selected font type Selection Color Font style Cho...

Страница 104: ...All Down Up All Search in the entire table Down Search downwards as far as the table end Up Search upwards as far as the table start Match Search area where the entered text is to be searched for Sel...

Страница 105: ...for this option must be deactivated Search Only Current Field on off Default value off If this option is activated the search is restricted to the selected field The field name is displayed in the wi...

Страница 106: ...d names Mathematical oper ators Comparison opera tors Between And Logical operators AND OR NOT Wildcards any character string single character sin gle numeral Current date Date Current time Now date a...

Страница 107: ...n and method data Proceed as follows to display all determination and method data for a selec ted determination 1 Display determination overview See Displaying the determination overview page 83 2 Ope...

Страница 108: ...onstant of the conductivity measuring cell used to record the deter mination GLP test GLP status at the time of recording the determination The following displays are possible GLP test switched off Th...

Страница 109: ...ically or with the reevaluation manually determined stability time Delta Kappa Conductivity change for the determination of the stability time Formula 1 for induction time Result of the calculation wi...

Страница 110: ...at Method name Name of the method Creation date Date when the method was last saved Creator Name of the logged in user who last saved the method Method description Description of the method Temperatur...

Страница 111: ...individually per 2 channels 2 channels each have been started jointly per block the 4 channels of a block were started jointly Stop criteria Time Time until the automatic stop of the determination Con...

Страница 112: ...ppa Conductivity change for the determination of the stability time Options for induction time Evaluation delay Waiting time until starting the curve evaluation Evaluation suppression Start Time from...

Страница 113: ...rmula 2 for stability time The automatically determined stability time was calculated with these values and saved under the name shown in the field R2 Formula 3 for stability time The automatically de...

Страница 114: ...axis x Autoscaling Automatic definition of the start and end value of the time axis Manual scaling Manual definition of the end value of the time axis End value End value of the time axis with manual...

Страница 115: ...t of the results selected below Method parameters Output of the method parameters Results Output of the selected results Induction time Stability time Standard time Formula 1 3 Automatic report output...

Страница 116: ...stopped manually with Stop Stop after communication error Automatic stop of the determination because of interrupted connection between the Biodiesel Rancimat and the PC Value Value for warning e g te...

Страница 117: ...green A maximum of 16 single graph windows can be opened Note In contrast to the windows Multiple graph and Live graph the win dow with the single graph is not automatically updated upon selecting ano...

Страница 118: ...n the dialog window of a multiple graph The context sensitive menu for graphs appears Click on the menu item Offset The offset for the displayed measurement curve is switched on or switched off In the...

Страница 119: ...ly and manually set the induction time 1 Open dialog window Right click in the dialog window of a live graph and click on the entry Reevaluation in the context sensitive menu The dialog window Reevalu...

Страница 120: ...ime is displayed both in the dialog window Live graph at the top right beside the gray line and also in the dialog window Reevaluation under Stability time 3 Save changes In the dialog window Live gra...

Страница 121: ...d also in the dialog window Reevaluation under Manual 5 Save changes In the dialog window Live graph click on the button Save The new induction time is accepted in the determination overview Deleting...

Страница 122: ...with the extrapolation values which the program has calculated from the selected results determinations appears 2 Select result and target temperature Click on the Settings button The following dialo...

Страница 123: ...s are used Setting the correlation limit Note The correlation limit for the correlation coefficient r2 can only be set by an Administrator 1 Open dialog window In the Results window click on the menu...

Страница 124: ...ated straight line T ln t B ln A B The measured values of the selected determination are shown in black the regression line in green and the time calculated for the target temperature in red Results F...

Страница 125: ...a factor see Calculation of standard time page 105 Settings Open the dialog window Program settings The extrapolation parameters are to be entered in the tab Extrapolation see Extrapolation tab page 1...

Страница 126: ...to the correct result for most appli cations Smaller values will cause the acceptance of smaller maxi mums of the second derivative Higher values require a higher maximum Confirm the entries with OK N...

Страница 127: ...ecalculate formula 1 for induction time and Calculation active or Activate the options Recalculate formula 2 for stability time and Calculation active or Activate the options Recalculate formula 3 for...

Страница 128: ...parameters can be found at Recalcu late standard time page 123 Parameter description Recalculate induction time on off Default value off Activate Deactivate recalculation of the induction time If the...

Страница 129: ...ct result for most applications Smaller values will cause the acceptance of smaller maximums of the second derivative Higher values require a higher maximum The software suggests a value with which th...

Страница 130: ...sult is deleted Recalculate formula 2 for stability time on off Default value off Activate Deactivate the recalculation of the result calculated with formula 2 If the recalculation is deactivated the...

Страница 131: ...rd time from the induc tion time If the recalculation is deactivated the original result is kept Calculation active on off Default value off If this option is activated the parameters for the calculat...

Страница 132: ...the column width see Formatting the determi nation overview page 83 Select the required determinations and click on Print The results are printed according to the settings which have been defined in t...

Страница 133: ...a Proceed as follows to print the determination and method data of one or several determinations 1 Display determination overview See Displaying the determination overview page 83 2 Select determinati...

Страница 134: ...s to print the report of one or several determinations which has been defined in the method see Chapter 4 5 2 6 page 71 1 Display determination overview See Displaying the determination overview page...

Страница 135: ...mination according to settings 4 Carry out settings Click on the Settings button The dialog window Program settings appears Carry out the required settings see tab Report settings page 132 and confirm...

Страница 136: ...is exported 2 Select export program Click on the symbol or the menu item Determina tion Export Export to MS Word The data is copied to a RTF file to be opened automatically by Microsoft Word or Click...

Страница 137: ...created database Proceed as follows 1 Display determination overview See Displaying the determination overview page 83 2 Select determination Select the determination to be exported see Selecting dete...

Страница 138: ...lick on the symbol or the menu item File Results The Results window appears 2 Read out database password In the Results window click on the menu item Options Administrator Database password The dialog...

Страница 139: ...enter the file name and confirm with Save The measured values list will be exported 4 7 7 Program settings Carrying out settings for the representation and output of results You can carry out setting...

Страница 140: ...ument infor mation determination date user cell constant and serial number Results on off Default value on Output of the results selected in the Results tab see page 134 Curve on off Default value on...

Страница 141: ...e output of company logo and company text in the header Company logo Open the window Find company logo for selecting the graphics file with the company logo Only WMF or BMP files can be used After cli...

Страница 142: ...Induction time on off Default value on Stability time on off Default value off Formula 1 for induction time on off Default value off Formula 2 for stability time on off Default value off Formula 3 fo...

Страница 143: ...f the start and end values of the curve axes Manual scaling Manual definition of the start and end values of the curve axes X Start Start value of the time axis in hours X End End value of the time ax...

Страница 144: ...calculated with formula 1 is used for extrapolation Formula 2 for stability time The result calculated with formula 2 is used for extrapolation Formula 3 for stability time The result calculated with...

Страница 145: ...sults window you can arrange the opened dialog windows either above one another beside one another or overlapping Proceed as follows 1 Open windows Open all required dialog windows The following dialo...

Страница 146: ...age 180 Further information on the subject of QA GLP and validation can also be found in the brochure Quality Management with Metrohm available from your Metrohm representative Electronic and mechanic...

Страница 147: ...iption page 139 and confirm with OK 3 Switch off monitoring Open the dialog window GLP properties for unit with serial no x see step 1 In the required tab Temperature Conductivity Gas flow deactivate...

Страница 148: ...s follows to display the status of the GLP monitoring 1 Open dialog window If several instruments are connected In the Control window use the menu item View Unit x to select the required instrument Cl...

Страница 149: ...3 Biodiesel Rancimat 2 1 5 4 3 Figure 7 Accessories for GLP test Temperature 1 Pt100 temperature sensor 2 PTFE cylinder 3 Hexagon screw 4 Hexagon key 6 2621 120 5 Aluminum cylinder Preparing the GLP t...

Страница 150: ...filled after the normal heating up time of the heating block and the GLP test set If the GLP test set on the other hand is used in an already heated heating block it is necessary to wait at least 30 m...

Страница 151: ...a Sensor name for the temperature sensor Under Point 1 3 enter the Temperature and the Resistance of the calibration point Confirm the entry with Next The following dialog window appears 3 Enter test...

Страница 152: ...he temperature sensor to the Pt100 connector on the rear of the 873 Biodiesel Rancimat In the dialog window GLP test for unit with serial no x click on Next The test measurement is started As soon as...

Страница 153: ...t in the next selected channel rapidly carry out the change Carry out measurement for each of the selected channels After the last measurement is completed the dialog window with the test results appe...

Страница 154: ...3 2 of the 873 Biodiesel Rancimat Carrying out the GLP test for the conductivity measurement Proceed as follows to carry out the GLP test Note Before carrying out the GLP test with standard solution f...

Страница 155: ...Resistance enter the value of the test resistor in Ohms 10000 for 6 2109 030 and confirm with Next Connect the test resistor to the electrode connector 3 2 indicated in the dialog window and confirm w...

Страница 156: ...l L can be used as a standard solution This is derived from the optionally available conductivity standard 6 2301 060 KCl 0 1 mol L through dilution with distilled water The conductivity of this dilut...

Страница 157: ...Finish or Reject the results with Cancel 4 8 4 3 Gas flow For the GLP test for gas flow measurement you require a gas flow measuring device not available from Metrohm which can be used to measure the...

Страница 158: ...window appears Enter the Gas flow and confirm with Next The following dialog window appears 2 Test all channels Measure the gas flow sequentially for all channels and enter the values in the correspo...

Страница 159: ...firm the results with Finish or Reject the results with Cancel 4 8 5 GLP results Printing the GLP certificate Note To be able to print a test certificate you have to switch on the GLP mon itoring see...

Страница 160: ...os mrd must be open If another database is open only those GLP tests are displayed which have also been exported into this database during export of the determinations Proceed as follows to display th...

Страница 161: ...see Activating Deactivating GLP monitoring page 138 Proceed as follows to print the GLP results 1 Open dialog window with overview Open the Results window see Opening and closing the Results window p...

Страница 162: ...icate of the selected overview window The printout contains the Serial number of the instrument the Date the Tester and the Test result Certificate of date Printout of the GLP certificate for the ente...

Страница 163: ...ted the inside of the instrument so as to avoid serious damage to the instrument electronics In such cases the Metrohm Service must be informed 5 1 2 Maintenance by Metrohm Service Maintenance of the...

Страница 164: ...hot molecular sieve directly into the drying flask after regeneration as otherwise the plastic filter on the filter tube will melt Wait until the molecular sieve has cooled down before filling 5 4 Se...

Страница 165: ...brochure Quality Management with Metrohm available from your local Metrohm agent Validation Please contact your local Metrohm agent for support in validating instru ments and software Here you can al...

Страница 166: ...on with Metrohm 158 873 Biodiesel Rancimat Note You can find information on the subjects of quality management valida tion and maintenance as well as an overview of the documents currently available a...

Страница 167: ...ing flask cover 3 10 correctly on the drying flask and screw tight No air flow can be detected in the reaction vessel it does not bub ble although the pump is running The air supply is blocked Remove...

Страница 168: ...t stop If the reaction vessel cover is loose on the reaction vessel despite correct assembly the cover has to be replaced The connection is wrongly con nected Ensure that the PTFE tube 5 17 is mounted...

Страница 169: ...ough leaks when transferring from the reaction vessel to the measuring vessel The temperature in different channels of a heating block differs as there are burn marks at one or more places in the open...

Страница 170: ...value of Delta Kappa defined in the method is correct see Chapter 4 5 2 2 page 64 See also The stability times are not reproducible for multiple determinations See also The induction time is longer s...

Страница 171: ...nductivity e g 200 S cm see Chapter 4 5 2 1 page 60 The curves can then also be evaluated manually after finishing the determination The curve shows a step at the start of the meas urement which has n...

Страница 172: ...running until the endpoint is automatically found A time or conductivity is defined as a stop criterion in the method which was reached before the endpoint Deactivate time or conductivity as a stop c...

Страница 173: ...perature cor rection Delta T 0 9 9 C can be entered manually or determined automatically using the external temperature sensor Temperature measuring range 0 250 C Resolution 0 1 C Max deviation of the...

Страница 174: ...3 Conductivity measurement Sensor Conductivity measuring cell integrated in the measuring vessel cover 6 0913 130 Structure Conductivity measuring cell with 2 steel electrodes Measuring princi ple AC...

Страница 175: ...0 03 C Max deviation of the measured temperature from the true value 50 220 C 0 3 C Test resistor 10 k 7 6 RS 232 interface Plug Sub D plug 9 pin male Basic settings 9600 Baud 8 Bit 1 stop bit no pari...

Страница 176: ...fol lowed by the user in order to ensure safe operation of the instrument 7 9 Electromagnetic compatibility EMC Emission Standards fulfilled EN IEC 61326 1 EN IEC 61000 6 3 EN 55011 CISPR 11 EN IEC 61...

Страница 177: ...Cover material Polyurethane hard foam PUR with flame retardation for fire class UL94VO CFC free Base material Steel painted Width 405 mm Height 268 mm without accessories 353 mm with accessories Depth...

Страница 178: ...61326 1 2006 EN IEC 61000 6 3 2004 EN 55011 CISPR 11 2007 EN IEC 61000 3 2 2006 EN IEC 61000 3 3 2005 Immunity EN IEC 61326 1 2006 EN IEC 61000 6 1 2007 EN IEC 61000 4 2 2001 EN IEC 61000 4 3 2006 EN...

Страница 179: ...and instruments is also duly docu mented and the documents and source codes are archived Both remain the possession of Metrohm A non disclosure agreement may be asked to be provided by those requiring...

Страница 180: ...ranty guarantee Metrohm guarantees that the deliveries and services it provides are free from material design or manufacturing errors The warranty period is 36 months from the day of delivery for day...

Страница 181: ...Rancimat 8 6 0913 130 Measuring vessel cover for stability measur ing instruments With built in conductometric measuring cell Shaft material PP Measuring range 0 400 Measuring unit S cm 1 Cell constan...

Страница 182: ...mat In combination with 6 2418 130 Set of 100 pieces Material Clear glass Outer diameter mm 24 Length mm 250 8 6 1451 010 Foam barrier Foam barrier in reaction vessels for stability measurements Mater...

Страница 183: ...GL 45 Material Clear glass Height mm 100 Outer diameter mm 56 Volume mL 100 1 6 1805 010 FEP tubing M6 13 cm With light and kink protection Material FEP Inner diameter mm 2 Length mm 130 10 6 1805 08...

Страница 184: ...ments Material PCTFE Length mm 30 16 6 1808 050 Tubing adapter olive M8 outer 1 M8 outer thread and 1 tubing olive E g for thermostat jacket of exchange units and stability measuring instruments Mater...

Страница 185: ...050 drying bottle For Rancimats and Karl Fischer ovens Length mm 112 24 6 1839 000 Iso Versinic tubing 0 22 m Connection tubing for stability measuring instruments for determining the oxidation stabil...

Страница 186: ...ssel cover for stability measuring instruments Labeling A1 A2 A3 A4 B1 B2 B3 B4 5 sets of 8 items Material PE Material 2 PP Width mm 25 Height mm 15 1 6 2418 130 Air tube long for biodiesel measuremen...

Страница 187: ...EEE Height mm 14 7 Height description Without connections Outer diameter mm 28 6 1 6 2811 000 Molecular sieve Molecular sieve Bottle containing 250 g Pore size 0 3 nm Without moisture indicator For Ra...

Страница 188: ...0 temperature sensor for 6 5616 010 GLP test set for stability measuring instruments Shaft material Stainless steel AISI 304 Measuring range 200 300 Measuring unit C Shaft diameter top mm 2 Shaft diam...

Страница 189: ...nductivity standard 100 S cm 250 mL Conductivity standard for calibration of conductivity measuring cells with cell con stant 0 1 cm 6 2757 000 Air collection tube for stability instruments Including...

Страница 190: ...adjustment and validation of temperature on 873 Bio diesel Rancimat Consists of 6 1111 020 Pt100 temperature sensor long 6 1253 000 Measuring insert for temperature sensor 6 2042 040 Clamp for tempera...

Страница 191: ...lay 83 Export 128 Format 83 Print 124 Device information 42 Diagnosis 42 Drying flask Mount 12 Dust filter Mount 11 Replace 155 E Electrostatic charge 6 Evaluation 64 Event overview 45 Export Determin...

Страница 192: ...rument information 43 Print method information 71 Results 25 Results window 27 Close 28 Menus 29 Open 28 Structure 28 Symbols 29 Rights Activate Deactivate 36 S Safety instructions 4 Sample identifica...

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Metrohm 1.873.0014, Руководство пользователя

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