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12.4 Servicing Intervals

726 Titroprocessor, Short Introduction

12 GLP Functions

The 726 Titroprocessor supports the supervision of servicing intervals as

well as system validation and sensor tests.

12.4 Servicing Intervals

The maintenance of the 726 Titroprocessor should include a yearly service

check carried out by a specialist from your Metrohm supplier.

The service engineer will update the service data and enter an appropriate

service interval.

When the service interval has expired, the 726 Titroprocessor will display a

warning at start-up and advice the user to ask for a Metrohm Service.

The service data can be inspected on the GLP page. It is accessible by

pressing the <GLP> key on the keyboard.

ÚÄÄÄ GLP ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿

³ ³

³ Method Validations Date Interval Result ³

³ ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ ³

³ 1. ³

³ 2. ³

³ 3. ³

³ 4. ³

³ 5. ³

³ ³

³ Instrument ident. : 01106 ³

³ Last servicing dated : 96-11-08 ³

³ done by : B. Miller ³

³ Program version : 5.726.0010 ³

³ ³

ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ Quit ÄÙ

ÚÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄÂÄÄÄÄÄÄÄ¿

³ ³ ³Delete ³ ³Define ³Extend.³Start ³ ³ ³Sample ³Sensors³

³ ³ ³method ³ ³method ³info ³valid. ³ ³ ³silo ³ ³

ÀÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÙ

The service data will be updated by the service engineer.

12.5 Sensor Test

The 726 Titroprocessor offers a sensor test procedure that allows you to

determine whether your pH electrode is still working properly. For each sen-

sor, separate limits can be defined that must be fulfilled during the a sensor

test to ensure the suitability of the sensor for a specific (or common) appli-

cation.

The sensor test consists of an extended calibration with automatic control of

the stirrers Int.A or Int.B. The test can be carried out with any buffer set

containing the buffers pH 4 and pH 7. While we recommend to use

Metrohm buffers, other buffer sets can be used as well.

Содержание 2.726.0010

Страница 1: ...CH 9101 Herisau Switzerland Phone 41 71 353 85 85 Fax 41 71 353 89 01 CompuServe 100031 3703 http www metrohm com 726 Titroprocessor 726 Titroprocessor A Short Introduction 8 726 1023 96 12 dm...

Страница 2: ...s used in this manual QUIT Physical hardkey on the keyboard File Softkey as shown on the screen referring to the hardkeys F1 F9 Display Text Display text as shown on the screen one another Selection o...

Страница 3: ...ode 14 6 Configuration __________________________________________ 15 6 1 Basic Configuration 15 6 2 Sample Changer Configuration 17 7 Sample Data and Sample Silo_____________________________ 18 7 1 Ho...

Страница 4: ...its and their Meanings 49 13 Access Control Configuration ___________________________ 51 14 Technical Specifications ________________________________ 52 14 1 Brief Characterization 52 14 2 EC Declarat...

Страница 5: ...As 2 726 0010 but with integrated space saving thermal printer DIN A4 without additional parallel interface for printer Versions with 2 measurement groups 2 726 0110 With complete accessories without...

Страница 6: ...lances RS232 interface 1 or 2 G G Indicator electrodes Sensors A or B Ind A1 Ind A2 C C Indicator electrodes Sensors A or B Ref C C Temperature sensors Sensors A or B Pt100 1000 C C Stirrers Sensors A...

Страница 7: ...measurement groups Sensors A and Sensors B The drawing below shows where to connect the sensors at the measuring interface A which is common to all 726 Titroprocessor models 1 Ind A2 Ind A1 Ref Pol Pt...

Страница 8: ...eys depends on the dialog page or window The softkey list at the bottom of the screen always displays the available functions 1 5 2 Hotkeys MAN CONTROL STATUS METHOD SAMPLE RESULT The yellow Hotkeys e...

Страница 9: ...INT will stop a printout immediately LINE FEED LINE FEED will execute a line feed of the connected printer Shift LINE FEED FORM FEED Shift LINE FEED FORM FEED will execute a form feed on the connected...

Страница 10: ...mode or by one character in edit mode Cursor right Cursor right moves the cursor to the right by one field in navigation mode or by one character in edit mode 1 5 6 HELP Key HELP The HELP key HELP key...

Страница 11: ...an communicate bi directionally with the master instru ment External devices must be connected by EBus cables The cables are to be chained like this Bus Master extern Device extern Device External Bus...

Страница 12: ...he Dosimat Interfaces need to be connected to the same ground Use a line distributor for the power supply of all the in struments Switch off the 726 Titroprocessor before plugging in any peripheral de...

Страница 13: ...connect it from all electrical sources Make sure that the power plug has been pulled out Only in exceptional cases should the instrument be opened while it is switched on Because parts that conduct cu...

Страница 14: ...rnal storage of the 726 Sample Determination Determination data Reports File Measurement Titration Titration Measurement Titration Measuring point list Measuring point list Measuring point list Measur...

Страница 15: ...off one single data file the current determination will be held in the working memory With statistics on as many files as indicated by the number of the statistics definition will be held in the work...

Страница 16: ...the corresponding softkeys F1 to F9 4 2 The Softkeys 96 03 12 09 16 01 MAIN PAGE 726 Titroprocessor ready Method name Chloride mth Determination of chloride Application Note User D A User Run 001 Stat...

Страница 17: ...s will be accepted The shortcut keys of the rightmost key column on the keyboard allow direct access to some important dialog windows or features 4 3 Field Cursor To navigate on a page or in a dialog...

Страница 18: ...cial softkey bar is shown The Help softkey may be used to open a window with a short explanation of the meaning or the content of the entry field to be edited The entry range and one or more examples...

Страница 19: ...r and or a certain standard text that can be defined Standard data file name standard text up to 5 or 8 characters resp File name type combination type for file name File comment type combination type...

Страница 20: ...ySEND send codes of keys pressed to a PC LIMS data output to a PC or LIMS system e g for raw data report to a LIMS off no data communication Centronics printer port 726 model without built in printer...

Страница 21: ...t position lift position for rack shifting Rinse position lift position for rinsing of the titration head equipment Spec Position special lift position for any purpose Type rack type e g M12 0 Metrohm...

Страница 22: ...he main page manual editing in the Actual Sample window using the SAMPLE hardkey on the keyboard manual editing in a during a running method sequence using the ASK command automatic data entry by data...

Страница 23: ...output pointer is carried out in the same way as set ting the input pointer For the treatment of a sample series fill in the sample data in the sample silo and set the output pointer to the silo line...

Страница 24: ...s the status of the dosing devices that are connected to the Titroprocessor The lower part shows the status of the sensors connected Each device is identified by an address A1 A2 that represents the s...

Страница 25: ...and or concentration is entered on both dialog pages Method editor and Devices Manual Control page an automatic reagent check will be performed Both entries will be compared Any difference in a reagen...

Страница 26: ...the screen Use existing tube settings y n y In most cases the default settings will be fine Pressing the ENTER key will start the function immediately If you use special tubing enter n and edit the f...

Страница 27: ...ffers type and value one by one Select a buffer type enter a pH value and press the softkey Start Stop The potential will be measured and the results added to the buffer table After you have done this...

Страница 28: ...the rack clockwise or counterclockwise Lift up Lift down moves the lift of the marked tower up or down Pump on off switches the marked pump on or off Stirrer on off switches the marked stirrer on or o...

Страница 29: ...series A final sequence CMOVE CMOVE will be executed with the last sample of a se ries A method has always to be terminated with the END command A command line consists of the command name the paramet...

Страница 30: ...end of a determination final reports You may even define reports that only will be printed when the statistic counter has reached its limit statistical sample series Reports are printed by the printe...

Страница 31: ...tion Modes DET_PH Dynamic Endpoint Titration measured value pH DET_U mV DET_UPOL with polarization voltage DET_IPOL with polarization current MET_PH Monotonic Endpoint Titration measured value pH MET_...

Страница 32: ...low on Quit Quit Recogn Display Custom adjust The titration modes are structured into start conditions titration conditions and stop conditions Start conditions Actions or conditions to be executed be...

Страница 33: ...e max mL min Pause 0 s Titration conditions Adjustment medium Time recording on Temperature 25 0 C Stop conditions Volume absolute Meas val pH off DET_PH Custom adjustments Meas pt density 4 Signal dr...

Страница 34: ...indow Then select a recognition type under Endpoints all last greatest window off With Endpoints window every endpoint can be assigned a separate range in which this particular endpoint must be recogn...

Страница 35: ...me curve overlaid curves MCurve_T Multiple time curve overlaid curves These reports may be set under Report for Statistics The definition of a curve report needs a further specification Select the qua...

Страница 36: ...ble R use num bers or any character for an intermediate result value X use num bers or any character for or a common variable C use numbers 01 19 as Results and common variable assignments will be pri...

Страница 37: ...n 3 SS Sample Size DD Determination Duration MD Measuring Duration of actual titration or measurement SD Start Duration for start conditions IT Initial temperature ST Start temperature CT Closing temp...

Страница 38: ...es of auxiliary reagents STIR_I Controlling of internal stirrers A and B REM Comment line in method editor NOOP No operation BEEP Beeper END End mark of method 9 5 Sequences OMOVE OMOVE The Opening Mo...

Страница 39: ...the condition of a CASE statement Example CASE StateA 00000000 The condition of this term is fulfilled if all input lines input 0 7 of the re mote socket on the rear side of the 726 are reset The poss...

Страница 40: ...the current determina tion 96 12 05 11 39 18 MAIN PAGE 726 Titroprocessor ready Result Me __ Determination 96120509 004 View Determin Comment Formula Value Unit Us 2 DET_U Determination of Cl Ru Chlor...

Страница 41: ...report Param Formula Report ComVars data Extend File Statis Recalc Recalc values tics all one Important Notice With the start of any determination the method parameters the actual sam ple data the cal...

Страница 42: ...r saving or recalling a determination Statistics Opens the statistics page Recalc all Recalculation of all determinations in the working memory statistics recalculation Recalc one Recalculation of the...

Страница 43: ...clamation mark The recalculation of the statistics results will occur immediately 10 3 Single Curves Titration curves can be viewed by pressing the Show curves softkey on the main page The representat...

Страница 44: ...same type same method same modes same dis played quantities may be overlaid and visually compared on the screen Make sure you have loaded the corresponding determinations in the work ing memory Use th...

Страница 45: ...rom to all The file manager page shows the content of one storage location in a win dow use PG UP or PG DN to scroll A file list can be displayed in two different views Use the Change view softkey to...

Страница 46: ...deleted Copying or deleting files can be executed with single or with multiple files Use the Un Mark or Un Mark all softkeys to select multiple files You can either mark files using file selection cr...

Страница 47: ...e COM1 or COM2 port of the Personal Computer Under Config Interfaces the communication mode of the corre sponding RS232 interface has to be set to LIMS Set the transmission parameters for the correspo...

Страница 48: ...the keyboard GLP Method Validations Date Interval Result 1 2 3 4 5 Instrument ident 01106 Last servicing dated 96 11 08 done by B Miller Program version 5 726 0010 Quit Delete Define Extend Start Samp...

Страница 49: ...imits press Limits In the appearing dialog window you can adjust the limits to the applications this specific sensor is used for If a sen sor is not used for measurements but for titrations only the l...

Страница 50: ...pH 7 00 and pH 4 00 Press softkey Start test to proceed Quit Quit Quit Start test The sensor has to be plugged into the measuring input A1 A2 B1 or B2 A magnetic stirrer should be connected to the sti...

Страница 51: ...ts of the previous sensor test will also be displayed 12 6 System Validation GLP GLP G Good L Laboratory P Practice requires the periodic checking of analytical instruments for reproducibility and acc...

Страница 52: ...Validation method 96 11 14 12 month s OK 2 3 4 5 Instrument ident 01106 Last servicing dated 96 11 08 done by D Miller Program version 5 726 0010 Quit Delete Define Extend Start Sample Sensors method...

Страница 53: ...ods Default limits 0 995 1 005 Standard deviation absolute Absolute standard deviation of the results RT1 of the validation series Default limit 0 003 for titer determinations Standard deviation relat...

Страница 54: ...start on y Did you set up all necessary silo data y Do you change samples manually n Accept all previous settings y If you confirm all default settings by pressing enter you can proceed with the valid...

Страница 55: ...the keyboard can be hidden or disabled respectively This may result in a simpler user dialog The modification of access control files can be accessed under Config Access control or simply by pressing...

Страница 56: ...r 11 1 kg Material Housing Polyurethane rigid foam with fire protection for fire class UL94VO FCHC free Power supply Line voltage 100 120 V 10 220 240 V 10 Line frequency 50 60 Hz Power consumption Ma...

Страница 57: ...cters Character set 7 Bit ASCII Pin assignment Pin 1 empty Pin 6 empty Pin 2 TxD output Pin 7 RTS output Pin 3 RxD input Pin 8 CTS input Pin 4 empty Pin 9 5 V Pin 5 GND 0 V Wiring 726 socket Bar code...

Страница 58: ...is due to the measuring technique It does not comply with certain security specifications Measurement ranges Potentiometric 2500 mV 2500 mV pH 20 000 20 000 Amperometric 250 A 250 A Upol Voltametric...

Страница 59: ...up to 20 determination data records each with up to 5 titrations or measurements Method memory for freely definable sequence up to 99 command lines Silo memory sample data memory for up to 160 sample...

Страница 60: ...ecification Emitted Interference EN 50082 2 1995 Electromagnetic compatibility basic specification Interference Immunity EN 61010Safety requirements for electrical laboratory measurement and control e...

Страница 61: ...4 4 level 3 IEC 801 5 IEC1000 4 5 level 2 3 IEC801 6 IEC1000 4 6 level 2 EN55011 class B EN55022 class B EN50081 1 01 92 EN 50082 2 1995 EN60555 2 Electromagnetic compatibility IEC1010 EN61010 UL3101...

Страница 62: ...lication card FLASH card 6 6024 000 Metrodata 726 PC Backup software 6 6026 000 Short introduction manual 6 726 1023 726 Titroprocessor with 2 measurement groups without printer 2 726 0110 includes fo...

Страница 63: ...Dosing unit for Dosino 2 ml 6 3030 120 5 ml 6 3030 150 10 ml 6 3030 210 20 ml 6 3030 220 50 ml 6 3030 250 729 Dosimat Interface 2 729 0010 728 Magnetic Stirrer 2 728 0040 Ti Stand 727 with 2 727 0010...

Страница 64: ...x 200 ml M14 0 6 2041 370 for disposable beaker Euro PP 200 ml 6 1459 310 Rack 14x 8 oz M14 0 6 2041 380 for disposable beaker US PP 8 oz Rack 16x 150 ml M16 0 6 2041 320 for standard glass beaker nar...

Страница 65: ...1236 040 made of silicon caout chouc for titrations with the Macro Titration head The following special changer electrodes can be used with the Micro Titra tion head Comb micro pH electrode LL 16 cm...

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