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2.7. Result calculations

785 DMP Titrino

2.7 Result calculations

Formula entry, key <DEF>

Key <DEF> contains various inquiries for result

calculations and data output. The data of this key are

method specific and they are stored in the method

memory together with the method.

formula

Formulas for result calculations.

The display texts of the Titrino are shown to the left.
The values are the default values.

>formula

RS?

RS1=

RS1=EP1*C01/C00

Input of formulas

Enter formula number (1...9)

You can calculate up to 9 results per method.

Enter a number 1...9.

Input of formula

Example:

RS1=EP1*C01/C00

Enter formula by means of 3rd functions of keyboard.

Here you will find operands, mathematical operations

and parentheses. Operands require a number as an

identification. You can use the following operands:

EPX: EP's. X = 1...9

RSX: Results which have already been calculated with

previous formulas. X = 1...9.

CXX: Calculation constants. XX = 00...79.

Rules:

•

Calculation operations are performed in the

algebraic hierarchy: * and / and -.

•

Store formula with <ENTER>.

•

Calculation quantities and operands can be deleted

with <CLEAR> one by one.

•

To delete a complete formula press <CLEAR>

repeatedly until only RSX remains in the display.

Confirm with <ENTER>.

If a formula is stored with <ENTER>, result text,

number of decimals and result unit will be requested:

DEF

(

def

>formula

>silo calculations
>common variables
>report
>mean
>temporary variables

Содержание 785 DMP Titrino

Страница 1: ...CH 9101 Herisau Switzerland Tel 41 71 353 85 85 Fax 41 71 353 89 01 CompuServe 100031 3703 Internet http www metrohm com 785 DMP Titrino Instructions for Use 8 785 1003 99 07 Ti...

Страница 2: ...1 User name key USER 48 2 12 TIP Titration procedure 49 2 13 Method memory keys USER METH and CARD 53 2 13 1 Key USER METH 53 2 13 2 Key CARD 55 2 14 Calibration data key CAL DATA 58 2 15 Current samp...

Страница 3: ...onnection of a computer 154 5 1 6 Connection of a Remote Box 155 5 2 Connection of electrodes preparing titration vessel 158 6 Appendix 161 6 1 Technical specifications 161 6 2 Pin assignment of the R...

Страница 4: ...Overview Front view of instrument Rear view of instrument Remote 1 785 Nr E B Made by Metrohm Herisau Switzerland 100 240 V f 50 60 Hz S 15 W Pol Ref Ind I Ind II Pt 100 1000 Key board C A1 A2 RS 232...

Страница 5: ...s conditioning Filling after manual dosing with DOS Key START Starts procedures e g titrations conditioning Identical with key START of the separate keypad Indicator lamps COND Lamp flashes when condi...

Страница 6: ...Important If you work with both measuring inputs in the same ves sel the same reference electrode must be used 1 measuring input for polarized electrodes e g KF electrode 1 measuring input for PT100 o...

Страница 7: ...f measurements between titrations and hold during ti trations SILO ON OFF switching of silo memory for sample data see page 60 CAL DATA Calibration data see page 58 CARD Management of memory card see...

Страница 8: ...en you find the inquiries If a dialog text of an inquiry is marked with you can select a value with keys and forward backward A value is stored with ENTER and the cursor moves to the next inquiry With...

Страница 9: ...g text input you can correct typing errors with CLEAR CLEAR deletes the characters one by one If you wish to modify an existing name e g if you have names like Text 1 Text 2 Text 3 do not de lete the...

Страница 10: ...nitoring is carried out at the end of the titrations and when the Titrino is switched on If the monitoring responds the message validate instrument appears The message vanishes with CLEAR At the same...

Страница 11: ...cannot have them over 2 pages IBM for all printers with IBM character set Table 437 and IBM graphics as well as for the data transmission to a computer or a data system COM of Titrino for the output...

Страница 12: ...13 run number 0 auto start OFF start delay 0 s result display bold General settings Selection of dialog language english deutsch francais espa ol italiano portugese svenska Current date YYYY MM DD Fo...

Страница 13: ...bit 8 stop bit 1 parity none handshake HWs Settings of RS232 interface see also page 126 Identical for COM2 Baud rate 300 600 1200 2400 4800 9600 19200 38400 57600 115200 Data bit 7 8 Stop bit 1 2 Par...

Страница 14: ...ATA and the functions recall method store method and delete method of the internal method memory in the Titrino curve Changes the appearance of the curve printout lock configuration OFF parameters OFF...

Страница 15: ...F Frame drawing ON OFF Type of scaling Full Auto Full The scaling goes from the greatest to the smallest value auto The scaling from tick to tick e g the smallest greatest values lie in between the fi...

Страница 16: ...ation MET Monotonic Equivalence point Titration SET Set Endpoint Titration CAL pH Calibration MEAS Measuring TIP Titration Procedure Linking of various commands and methods to a titration procedure Th...

Страница 17: ...on of mean values and standard deviation see page 41 evaluation Parameters for the evaluation of EP s fix EP s and pK HNP preselections ON OFF of various auxiliary functions such as auto matic request...

Страница 18: ...ibration time This may be useful for slow titration reactions or when the response of the electrode assembly is slow Waiting time for measured value acquisition 0 9999 s OFF CLEAR sets OFF If no new e...

Страница 19: ...y state to a measurement OFF means that the test is not performed Titration temperature 170 0 500 0 C The temperature is continuously measured if a T sensor is connected This parameter is used for tem...

Страница 20: ...ulfill the EP criterion all greatest last window OFF Selection of equivalence point recognition all All equivalence points are recognized greatest Only the greatest steepest equivalence point is recog...

Страница 21: ...w lim 0 0 up lim 999999 activate pulse OFF Preselections for the sequence Request of identifications after start of titration id1 id1 2 all OFF After start sample identifications can be inquired autom...

Страница 22: ...fixed waiting time If you have not intentionally changed the equilibration time it is calculated according to the formula 150 equilibr time in s 5 Drift 0 01 The criterion drift or equilibration time...

Страница 23: ...value acquisition and set a higher EPC min incr Defines the minimum possible increment This minimum increment is dosed at the beginning of the titration and in the region of the equivalence point for...

Страница 24: ...adapted by METROHM for numeric procedures METROHM Bulletin 2 No 10 1971 Here the greatest change in the measured value is sought n The exact equivalence point is determined with an interpolation fact...

Страница 25: ...P windows make an unequivocal assignment of the EP s possible per window one EP is recognized the numbering of EP s is defined by the windows so that even if EP s are missing the calculations are stil...

Страница 26: ...ul pH calibration is necessary The pK value determined is an approximate value owing to the fact that the ionic strength of the solution has not been taken into account For more exact values titration...

Страница 27: ...Ipol 0 2000 mV OFF Upol 0 200 0 uA OFF CLEAR sets OFF If EP1 is OFF no further inquiries under SET1 appear Distance from EP where constant dosing should stop and controlling begins control range inpu...

Страница 28: ...Stop after the set time after the start of the titration OFF means no stop i e titration for an infinitely long time titration parameters titr direction auto pause 1 0 s titr start V OFF cond start V...

Страница 29: ...dy reached before the extraction time is terminated The extraction time can be aborted with QUIT Measuring input 1 2 diff Inquiry only with measured quantities pH and U Measuring input 1 or 2 or diffe...

Страница 30: ...min 10 mL 30 mL min 20 mL 60 mL min 50 mL 150 mL min preselections conditioning OFF display drift ON cond drift corr OFF cond drift value 0 0 ul min cond req ident OFF cond Preselections for the sequ...

Страница 31: ...alue check for sample size ON OFF With on the error message sample size out appears if the entry is outside the set limits The limiting values are shown in the display window The absolute value of the...

Страница 32: ...is measured if a T sensor is connected Pause 1 is waited off the start volume is dispensed and pause 2 waited off The titration to EP1 then to EP2 is executed If the extrac tion time is not yet over...

Страница 33: ...maximum rate max rate until the control range dynamics is reached 3 Control range dynamics In this range dosing is performed in single steps The last dosing steps are controlled by the parameter min r...

Страница 34: ...esults in a drift of 2 uL 5 s 24 uL min the drift can be less than 24 uL min as it is not known whether the last increment would also suffice for 10 s If you have been working up to this point with a...

Страница 35: ...riment with a much higher min rate Change switch off criterion Attempt e g to increase the stop drift or use a shorter t delay as stop criterion Possibly pass an inert gas through the titration vessel...

Страница 36: ...measured value acquisition 0 9999 s OFF CLEAR sets OFF If no new equilibration time has been entered the Titrino calculates an equilibration time appropriate to the drift with the formula 150 equilib...

Страница 37: ...ter start of titration id1 id1 2 all OFF After start sample identifications can be inquired automatically Only id1 id1 id2 all three id s or no inquiries Request of sample size after start of titratio...

Страница 38: ...value of the buffers can be put in during the calibration sequence pH value of second and the following buffers 0 20 00 OFF CLEAR sets OFF Buffers are requested until OFF is set This gives an n point...

Страница 39: ...he nominal value of the first buffer Store the value with ENTER or continue with START the value is not stored The first buffer is measured Enter the nominal value of the second buffer Store the value...

Страница 40: ...ting value check for sample size ON OFF With on the error message sample size out appears if the entry is outside the set limits The limiting values are shown in the display window The absolute value...

Страница 41: ...a by means of 3rd functions of keyboard Here you will find operands mathematical operations and parentheses Operands require a number as an identification You can use the following operands EPX EP s X...

Страница 42: ...rmula e g for RS2 Meaning of the calculation variables CXX C00 Sample size see page 59 C01 C19 Method specific operands see page 40 They are stored with the method in the method memory C21 C23 Sample...

Страница 43: ...operands C01 C19 can be put in For the calculation the operands are used which were introduced in the formula The inputs method specific and are store in method memory The calculation report can be p...

Страница 44: ...MN1 the default value RS1 is entered Delete allocation with CLEAR ENTER Each mode has an inquiry group statistics in key PARAM statistics status OFF mean n 2 res tab original delete n 1 Statistics ca...

Страница 45: ...lts are incorporated in the statistics calculation If a result of a particular titration can not be calculated no results for this determination are incorporated in the statistics calculation However...

Страница 46: ...PX variables CXX or mean values MNX can be allocated as common variables The entries are specific to the method and are stored in the method memory common variables Assigns values as common variables...

Страница 47: ...scalc srt param calc ff Select a block If you require more than one report block set a as a delimiter between the blocks Identical for COM2 Meaning of the report blocks full Full result report with r...

Страница 48: ...as inserted see page 56 Device label if there is a designation see page 10 and manual signature Titration curve Scaling of volume and pH axis fr 785 DMP Titrino 0P1 101 785 0010 date 1999 06 27 time 0...

Страница 49: ...stics report with the individual results STATISTICS All sample data from the silo memory SILO Calibration data CAL DATA Content of the current card directory CARD Operands C01 C19 C FMLA Contents of t...

Страница 50: ...an trace the curve with keys and In the text field to the left of the curve the index of the current measured value is displayed in the first line In the subsequent lines the corresponding measured va...

Страница 51: ...name User name up to 10 ASCII characters User names can be entered directly or selected with the keys and The operator name is printed out in the report The operator name remains in the instrument unt...

Страница 52: ...he values are the default values sequence 1 step OFF ENTER 1 method 5 TIP ENTER etc 2 x QUIT Sequence Select a step with keys and method Method from the user memory or from the card pause Waiting time...

Страница 53: ...Cable Titrino L6 Dosimat 6 2139 000 Important A pulse e g a pulse from monitoring or an activate pulse in a submethod can set an active output to inactive At the end of the TIP method the outputs are...

Страница 54: ...calculations and data output e g curves The determination data of submethods are overwrit ten in the next sequence step of TIP Those val ues which are needed for higher level calcula tions must there...

Страница 55: ...submethod With key DEF temporary variables can be assigned The entries are specific to the method and are stored in the method memory temporary variables for higher level calculations The display tex...

Страница 56: ...which is included in the memory If a method identification is entered which is not found in the method memory the selected value blinks store method method name Store method Store method from the work...

Страница 57: ...ted with the key sequence PRINT USER METH ENTER Document your methods e g parameter report def report and C fmla report With a PC and the 6 6008 XXX Vesuv program you should carry out a complete metho...

Страница 58: ...eletes a directory on the card backup Backup of the internal method memory on the card reload Reloads a backup from the card into the internal method memory format Formats the card change battery Date...

Страница 59: ...be printed in the card report and in the full result report if the card is inserted see page 45 Confirmation of formatting the card yes no Upon formatting the card all data on the card are deleted Aft...

Страница 60: ...d the note enclosed with the card before changing the battery Leave the card in the Titrino when you change the battery to ensure sufficient power supply Important The battery lifetime refers to a sto...

Страница 61: ...with measuring input 1 Slope 0 9 999 Entered automatically after a calibration with measuring input 1 Calibration temperature 20 0 120 0 C Will be printed automatically after calibration with measuri...

Страница 62: ...C21 C23 smpl size Sample size The sample size can be monitored see e g page 18 The limits are then displayed in this window smpl unit Unit of the sample size The display texts of the Titrino are show...

Страница 63: ...ent is started the sample data are fetched from the next silo line Organization of the silo memory Silo memory contains 35 lines Next free line is 36 6 of the 35 lines have been processed Free lines f...

Страница 64: ...d memory If no method name has been entered the sample is processed with the method in the working memory Selection of the method with Sample identification 1 3 or sample specific calculation variable...

Страница 65: ...he processed silo line is not deleted but copied to the next free line see below If you work in this mode you should not enter any new silo lines during the determinations Store results in the silo me...

Страница 66: ...n results are assigned in key DEF The display texts of the Titrino are shown to the left The values are the default values silo calculations C24 C25 Silo calculations Assignment to C24 RSX EPX CXX Cal...

Страница 67: ...of the results available in the silo memory can subsequently be calculated over the entire series The following details can be entered in the method under DEF silo calculations C24 C25 match id OFF S...

Страница 68: ...urgent sample between a series disconnect the silo si 785 DMP Titrino 0P1 101 785 0010 date 1999 06 27 time 08 54 14 silo cycle lines OFF save lines ON sl method id 1 C21 id 2 C22 id 3 C23 C00 C24 C25...

Страница 69: ...s are carried out in the following order 1 Calculation of the results RSX 2 Assignment of temporary variables C7X for TIP 3 Calculation of means MNX 4 Assignment of silo results C24 and C25 5 Silo cal...

Страница 70: ...ialog language the following must be sent Config Aux Language english whereby it is sufficient to only transmit the boldface characters thus C A L english The quantities of the commands above are Conf...

Страница 71: ...to 24 ASCII characters Numerical values can contain up to 6 digits a negative sign and a decimal point Numbers with more than 6 characters are not accepted more than 4 decimal places are rounded off...

Страница 72: ...P Path Queries the path from the root of the tree up to the current node Q H Highest Queries the number of son nodes of the current node Index Q N i Name Queries the name of the son node with index i...

Страница 73: ...tion start Start Instrument in the DET mode processing the start conditions Titr Instrument in the DET mode titrating G Mode MET As DET G Mode SET Inac Instrument at the beginning or at the end of a t...

Страница 74: ...strument in the TIP mode requesting sample size after start Unit Instrument in the TIP mode requesting unit of sample size after start Pause Instrument in the TIP mode in pause Info Instrument in the...

Страница 75: ...the SET mode conditioning endpoint not reached R Mode MEAS Inac Instrument in the MEAS mode inactive R Mode CAL Inac Instrument in the CAL mode inactive R Assembly Bur ModeDis Buret in the DIS mode i...

Страница 76: ...ive unit correctly or m S E26 Manual stop Exit The error message disappears on next startup E27 Stop V reached in SET Exit The error message disappears on next startup E28 Wrong object call up Exit Se...

Страница 77: ...asured value pH U Ipol Upol or T with MEAS T The secondary measured value temperature may be instable as well Exit Correct error or m S E121 Measuring point list overflow more than 500 measuring point...

Страница 78: ...ulation E157 No sequence defined in TIP Exit The error message disappears on next start E158 A second TIP has been called up in TIP Exit The error message disappears on next start E160 No new temporar...

Страница 79: ...t or change date in Config Monitoring Service Date E205 Calibration interval is expired Exit The error message disappears on next calibration or if you delete the calibration E212 Transmission error f...

Страница 80: ...ng branches Root Mode Method parameters UserMeth Administration of the internal user memory for methods MemoryCard Administration of the memory card Config Instrument configuration SmplData Sample spe...

Страница 81: ...ASCII char ditto Decimal Number of decimal places 0 2 5 ditto Unit Unit for result output up to 6 ASCII char ditto Limits Limits for result ON OFF ditto LoLim Lower limit 0 999 999 ditto UpLim Upper l...

Страница 82: ...99 ditto Factor Factor for relative stop volume 0 999 999 ditto MeasStop Stop measured value pH U I depends on meas quant 3 2 2 20 UnitMStop Unit of stop measured value read only ditto EPStop Stop af...

Страница 83: ...ive stop volume 0 999 999 ditto MeasStop Stop measured value pH U I depends on meas quant 3 2 2 21 UnitMStop Unit of stop measured value read only ditto EPStop Stop after a number of EP s 1 9 OFF 3 2...

Страница 84: ...2 18 Ipol Polarization current 0 1 127 ditto Upol Polarization voltage 0 400 1270 ditto PolElectrTest Test for polarized electrodes ON OFF ditto Temp Titration temperature 170 0 25 0 500 0 3 2 2 19 T...

Страница 85: ...F 3 2 2 26 SReq Request of sample size after start value unit all OFF ditto LimSmplSize Limits for sample size 3 2 2 27 Status Status of limit control ON OFF ditto LoLim Lower limit 0 0 999 999 ditto...

Страница 86: ...No of individual determinations 2 20 ditto ResTab Result table Select original delete n delete all ditto DelN Deletion of individual results 1 20 ditto Presel Preselections IReq Request of Id s after...

Страница 87: ...aracters ditto Store Save method G ditto Name Method name 8 ASCII characters ditto Delete Delete method G ditto Name Method name 8 ASCII characters ditto DelAll Delete all methods G ditto List List of...

Страница 88: ...10 ASCII characters ditto Backup Backup of internal memory G 3 2 2 57 Name Directory name 10 ASCII characters ditto Reload Reload backup from the card G 3 2 2 58 Name Directory name 10 ASCII character...

Страница 89: ...test report ON OFF 3 2 2 67 PeriphUnit Selection of peripheral units CharSet1 External printer Epson Seiko Citizen IBM HP 3 2 2 68 CharSet2 as for CharSet1 RepToComport Output of manual reports 1 2 1...

Страница 90: ...1200 2400 4800 9600 19200 38400 57600 115200 ditto DataBit Number of data bits 7 8 ditto StopBit Number of stop bits 1 2 ditto Parity Parity even odd none ditto Handsh Handshake HWs SWchar SWline none...

Страница 91: ...2 85 FirstLine First line read only ditto LastLine Last line read only ditto EditLine Editing silo lines 1 1st silo line Method Method name up to 8 ASCII char 3 2 2 86 Id1 Sample identification 1 up...

Страница 92: ...ce Root HotKey Keys with direct access User User name 3 2 2 91 Name Input of user name up to 10 ASCII char ditto Delete Delete user G ditto Name Input of user name up to 10 ASCII char ditto DelAll Del...

Страница 93: ...G 3 2 2 94 MPList Checksum of meas point list read only ditto ActualMethod Checksum of current method read only ditto DetermData Determination data G 3 2 2 95 Write Read write for several nods ON OFF...

Страница 94: ...an values SiloCalc Values of silo calculations C24 Values of variable C24 Name Name read only 3 2 2 99 Value Value read only ditto Unit Unit read only ditto C25 as for C24 C26 Values of variable C26 A...

Страница 95: ...o Y Y coordinate read only ditto Z1 Z1 coordinate read only ditto Z2 Z2 coordinate read only ditto EP EP entry Index Index of entry read only ditto X X coordinate read only ditto Y Y coordinate read o...

Страница 96: ...dispensing control volume time ditto V Volume to be dispensed 0 0001 0 1 9999 ditto Time Time to dispense 0 25 1 86 400 ditto VStop Limit volume 0 0001 9999 OFF ditto AutoFill Filling after each incr...

Страница 97: ...g ON OFF ditto Delete Lock deletion ON OFF ditto Display Lock display function ON OFF ditto Mode Setting waiting intervals StartWait Waiting time after start ON OFF 3 2 2 120 FinWait Waiting time afte...

Страница 98: ...to RC Recalculation of results done ON OFF ditto C Comport infos B1 When COM1 sends a report ON OFF ditto R1 When COM1 is ready again ON OFF ditto B2 When COM2 sends a report ON OFF ditto R2 When COM2...

Страница 99: ...3 2 Remote control commands 785 DMP Titrino 96 Diagnose Object Description Input range Reference Root Diagnose Diagnose Report Output of adjustment parameters G 3 2 2 131...

Страница 100: ...ol Upol Mode MEASQuantity pH U Ipol Upol T Selection of the standard mode Mode and the measured quantity belong to the complete selection If a method is selected from the method memory the nodes Mode...

Страница 101: ...nfig ComVar They can be viewed and entered there see 3 2 2 82 3 2 2 8 Mode Def Report Assign1 Mode Def Report Assign2 DET full short mplist curve derive comb scalc full scalc srt calc param calib ff M...

Страница 102: ...trPara SignalDrift pH U Ipol 0 5 50 999 OFF Upol 0 05 50 99 9 OFF Mode Parameter TitrPara UnitSigDrift read only Mode Parameter TitrPara EquTime 0 26 9999 OFF Parameters for DET and MET Criteria for t...

Страница 103: ...oning 3 2 2 18 Mode Parameter TitrPara Temp 170 0 25 0 500 0 Parameters for DET MET SET Titration temperature in C If a Pt100 or Pt1000 is connected the temperature is measured continuously and the pa...

Страница 104: ...original table is again set up i e any individual results which have been deleted are reincorporated in the statistics calculations delete n Single result lines are removed from the statistics calcu...

Страница 105: ...AS Automatic inquiry after the start of the determination From such an inquiry the determination continues if the re quested entry entries is are made e g SmplData OFFSilo Id1 see 3 2 2 84 or with M G...

Страница 106: ...Time is set to inf 3 2 2 31 Mode Parameter TitrPara Direction auto Parameters for SET Titration direction auto means the titration direction is determined automatically by the instru ment If 2 EP s ha...

Страница 107: ...lid with measured quantities pH and U diff means differential amplifier see page 158 With Ipol the inquiries for the polarization current in uA Ipol and PolElectrTest are valid With Upol the inquiry f...

Страница 108: ...AL Electrode identification It is classified under calibration data see 3 2 2 93 3 2 2 45 Mode Parameter Calibration SmplChanger ON OFF Parameters for CAL Calibration at Titrino With ON there are no h...

Страница 109: ...th Ipol the requests for the polarization current in uA Ipol and PolElectrTest apply With Upol the request for the polarization voltage in mV Upol applies Entry in steps of 10 mV PolElectrTest also ap...

Страница 110: ...me up to 10 ASCII characters MemoryCard ChangeDir Checksum G MemoryCard ChangeDir Checksum Value read only Changing the current directory The action is carried out if G is transmitted to the correspon...

Страница 111: ...y MemoryCard List Card 1 Bytes read only for each directory List of all directories on the memory card with the following information Name Name of the directory Bytes Number of bytes used by the direc...

Страница 112: ...PeriphUnit CharSet1 Epson Seiko Citizen HP IBM Config PeriphUnit CharSet2 Selection of the character set and the graphics control characters for COM1 resp COM2 of the Titrino IBM means the IBM charact...

Страница 113: ...5 Config Aux RunNo 0 9999 Current sample number Set to 0 on power on and initialization After 9999 counting starts again at 0 3 2 2 76 Config Aux AutoStart 1 9999 OFF Number of automatic internal star...

Страница 114: ...etermination results directly from the method see 3 2 2 7 3 2 2 83 SmplData Status ON OFF On off switching of silo memory When the silo memory is switched on the sample data are fetched from the lowes...

Страница 115: ...done Silo lines which have been worked off are read only 3 2 2 87 SmplData ONSilo DelLine G SmplData ONSilo DelLine LineNum 1 255 OFF Deletion of a silo line The line is deleted with SmplData ONSilo...

Страница 116: ...Titration curve of the last determination derive 1st derive of titration curve of the last determination with DET comb 1st derive combined with the titration curve of the last determina tion with DET...

Страница 117: ...ta MPList 1 X read only read write Info DetermData MPList 1 Y read only read write Info DetermData MPList 1 Z1 read only read write Info DetermData MPList 1 Z2 read only read write for every measuring...

Страница 118: ...ift correction in SET with conditioning 3 2 2 97 Info TitrResults FixEP 51 Value read only etc up to 59 Info TitrResults pK 61 Value read only etc up to 69 Info TitrResults TempVar C70 read only read...

Страница 119: ...he current status of the I O lines Change sends the information regarding whether a change in status of a line has taken place since the last clearing Clear clears the change information For the outpu...

Страница 120: ...Info ActualInfo Titrator dMeasdV read only Info ActualInfo Titrator ERC read only Info ActualInfo Titrator T read only Q sends the current values in the following formats DET MET SET MEAS CAL CyclNo 1...

Страница 121: ...from the computer Pro ceed as follows 1 Lock the display see 3 2 2 119 2 Delete the whole display DelAll 3 For writing onto the display the standard character set will be used 4 Unlock the display se...

Страница 122: ...bly The measuring function can only be started via RS Control When the measuring function is switched on no method can be started at the Titrino Input Selection of the potentiometric measuring input 1...

Страница 123: ...5 Setup Comport 1 2 1 2 Selects the Titrino COM for the output of automatic info Setup Keycode Setup Trace Setup SendMeas Setup AutoInfo 3 2 2 116 Setup Keycode ON OFF ON means the key code of a key p...

Страница 124: ...ait ON OFF Setup Mode FinWait ON OFF Holding points in the method sequence If they are ON the sequence stops until OFF is sent Switching the instrument on sets both nodes to OFF StartWait Holding poin...

Страница 125: ...ON OFF Setup SendMeas Titrator dMeasdt ON OFF Setup SendMeas Titrator dMeasdV ON OFF Setup SendMeas Titrator ERC ON OFF Setup SendMeas Titrator T ON OFF Selection of the values from the titrator whic...

Страница 126: ...T H Hold Status Hold has been reached T C Continue Continue after hold T O Conditioning OK EP reached in SET with conditioning T N Conditioning Not OK EP not reached in SET with conditioning T Re Requ...

Страница 127: ...ured value is the end of the scale Right Relative specification of the width of the output medium e g pa per width for the length of the measured value axis 1 means the measured value axis is plotted...

Страница 128: ...er and silo memories will be deleted The user memory contains the default user methods from Metrohm 3 2 2 130 Setup InstrNo G Setup InstrNo Value serial number 8 ASCII characters Instrument identifica...

Страница 129: ...a shielded data cable for example METROHM D 104 0201 may be used to couple the Titrino with foreign devices The cable shield must be properly grounded on both instruments pay attention to current loop...

Страница 130: ...Titrino CTS are not checked Handshake output ports DTR RTS are set by the Titrino The Titrino has an input buffer which can accept up to 512 characters Titrino as Receiver Titrino external device Data...

Страница 131: ...output is disabled for more than 6 s by XOFF E43 appears in the display Hardware Handshake HWs Titrino as Receiver Titrino as Sender The data flow can be interrupted by deactivating the CTS line Titri...

Страница 132: ...dition Instrument is ready to receive data Protective earthing Direct connection from cable plug to the protective ground of the instrument Polarity allocation of the signals Data lines TxD RxD voltag...

Страница 133: ...30 Contact arrangement at plug female for RS 232C socket male View of soldered side of plug Ordering numbers K 210 0381 and K 210 9045 No liability whatsoever will be accepted for damage or injury cau...

Страница 134: ...cable properly wired error 43 Data output of the Titrino disabled for longer than 6 s by XOFF error 36 39 Receive error Are the RS settings the same on both devices The received characters are garbled...

Страница 135: ......

Страница 136: ...the card card write protected Writing functions are not possible if the card is write protected Remedy QUIT and remove write protection i e push write protection to the left change card battery The d...

Страница 137: ...ured points can be stored Exit Use start criteria or select larger time interval missing EP An EP needed for calculation in a formula is missing missing fix EP A fix EP needed for calculation in a for...

Страница 138: ...method of TIP contains assignments to C24 or C25 Exit CLEAR and switch on save lines under SMPL DATA key Warning The results of this line will not be saved second TIP call In TIP no further TIP can be...

Страница 139: ...s e g F12 and the connection has then been inter rupted Possible causes Remote Box has a fault PC keyboard has a fault Exit Correct fault and switch Titrino off on TIP terminated TIP has been terminat...

Страница 140: ...ntity the same on both instruments error 38 Overrun error At least 1 character could not be read Exit QUIT error 39 Overflow of the receive buffer of the GP Titrino 128 characters Exit QUIT Send error...

Страница 141: ...m number see configuration page 8 and specify possible error displays 4 2 2 Procedure The diagnostic steps must be performed in sequence and compared with the reactions of the 785 DMP Titrino indented...

Страница 142: ...for diagnostic test Power off Disconnect all external connections cables at rear except mains cable and keyboard Remove exchange unit Power on and immediately press and hold the 9 key until the poweru...

Страница 143: ...code If any key is now pressed on the 6 2132 060 keypad or on the fron panel of the 785 the appropriate matrix code appears in the display 0 1 2 3 4 28 21 26 8 9 10 11 12 5 13 29 16 17 18 19 20 25 27...

Страница 144: ...de If desired the exchange unit can be removed again If no exchange unit is inserted display does not show the ml code but check exchange unit Press Clear diagnose press key 0 9 5 Motor timer test Pre...

Страница 145: ...2000 mV 1 mV Be aware of the calibrator s tolerance Set simulator to high ohmic condition with 642 1000 M The displayed reading may vary slightly only with 1500 mV 1 mV Press Clear analog input test 1...

Страница 146: ...put test 1 5 Remove cables and resistor switch box 6 3 Polarizer test Press 5 polarizer test Press Enter dummy resistor 14 3k Connect resistor switch box or suitable resistor 14 3 k 0 1 using 3 496 50...

Страница 147: ...st plug Press 4 extern input output test Press Enter I O test connector Insert the 3 496 8550 test plug in port B Remote Do not switch off instrument Press Enter Test sequence 1 In case of an error an...

Страница 148: ...f no error is found after about 5 s display shows RS232 test 1 o k Remove test plug Press Clear RS232 test 1 2 8 2 RS232 test 2 Press 2 RS232 test connector 2 Insert the 3 496 8560 test plug in port A...

Страница 149: ...xchange unit and put the burette tip into a collecting receptacle Press Clear The Titrino gets out of the diagnosis menu and returns to the user program Press DOS then STOP FILL Remove exchange unit C...

Страница 150: ...lling per stop cock cycle 1 s for filling 20 s Tolerance 10 The following generally holds Spindle and stopcock must move at a constant speed noise In the filling setting the stopcock coupling must pos...

Страница 151: ...variables etc are cleared as a result Power OFF Power ON and simultaneously press keys DOS and STOP FILL RAM Init Press START confirm RAM Init Press START RAM Init activ RAM is tested and initialised...

Страница 152: ...Exchange Unit can no longer removed In this case it is necessary to proceed as follows 2 screws M3 fillister head knob edge of bench 2 screws M4 countersunk Fig 8 Disconnect instrument from power supp...

Страница 153: ...nt can make it a hazard When the instrument is opened or if parts of it are removed certain components may be live if the instrument is connected to the mains The mains cable must therefore always be...

Страница 154: ...134 110 baud rate 9600 data bit 8 stop bit 1 parity none handshake HWs send to Seiko none Seiko DPU 411 6 2125 020 6 2125 010 baud rate 9600 data bit 8 stop bit 1 parity none handshake HWs send to Sei...

Страница 155: ...5 020 6 2125 010 Precisa balances with RS232C interface 6 2125 080 6 2125 010 The balance type must be preselected at the GP Titrino with the CONFIG key The weight is transferred as a number with up t...

Страница 156: ...s not only connection of a sample changer but also additional control functions Pin assignment of the Remote socket and control possibilities see page 164 If a calibration has to be performed with the...

Страница 157: ...selections on the Titrino RS232 settings depend on the control program of the computer Send to IBM Vesuv 3 0 PC program for data acquisition and method backup for up to 64 devices 6 6008 200 for 2 dev...

Страница 158: ...y is switched on the barcode string always goes to the method The cursor position has no effect If the silo memory is switched off the input has no meaning id1 The barcode string always goes to Id1 Th...

Страница 159: ...Country specific special characters will probably not be converted correctly Operating via a PC keyboard The Titrino can be operated from the PC keyboard The Titrino functions are called up as follow...

Страница 160: ...te of the Titrino switches the statistics on Keys which are used for setting an accent e g are converted immediately If you try to enter the Titrino will display e instead The occupancy of the PC func...

Страница 161: ...electrodes record noise voltages which arise from stray electrostatic and electromagnetic fields Particularly high field strengths occur through friction at insulators such as plastic floors synthetic...

Страница 162: ...rodes should be preconditioned in the solvent used for ca 1 hour If the potential jump after the first dispensing step is too large a small start volume may help As an auxiliary electrode the 6 1808 0...

Страница 163: ...6 During a titration it is important to ensure that the solution in contact with the electrode is thoroughly mixed This is achieved by efficient stirring But it should not be too fast otherwise the s...

Страница 164: ...r temperature sensor Pt100 or Pt1000 Measuring range pH value pX 0 20 00 resolution 0 01 Voltage 0 2000 mV resolution 1 mV error limit 0 1 fullscale Current 0 200 A resolution 1 A Temperature 150 0 45...

Страница 165: ...connection completely controllable from external control unit Remote input output lines for Sample Changer robot connection With optional Remote Box Connection of barcode reader and PC keyboard Stirre...

Страница 166: ...ge 100 240 V Frequency 50 60 Hz Power consumption 15 W Fuse 2 x 1 ATH to be replaced by Metrohm Service only using the same type Additional electronic overload protection Dimensions with Exchange Unit...

Страница 167: ...n 10 Input 3 pin 23 Input 4 pin 11 Input 5 pin 24 Input 6 pin 12 Input 7 Start Stop Enter Clear Sample ready Outputs pin 5 Output 0 pin 18 Output 1 pin 4 Output 2 Ready inactive Conditioning ok active...

Страница 168: ...errors Activate pulse see page 166 L6 in TIP Pulses for recorder tp 150 s 10 000 per buret cylinder Remote box active not used not used not used Sample size out of limits Result out of limits For all...

Страница 169: ...6 2 Pin assignment of the Remote socket 785 DMP Titrino 166 6 2 1 Lines of the Remote socket during the titration...

Страница 170: ...6 2 Pin assignment of the Remote socket 785 DMP Titrino 167 6 2 2 Possible configurations of the activate pulse in SET and CAL...

Страница 171: ...months Guidelines for the testing regulations SOP Standard Operating Procedure are given in the following Metrohm Application Bulletin No 252 Validation of Metrohm Titrators potentiometric according t...

Страница 172: ...guaranteed features the purchaser has no rights or claims except those mentioned above If damage of the packaging is evident on receipt of a consignment or if the goods show signs of transport damage...

Страница 173: ...3 ENV50140 93 ENV50204 93 level 3 Radiated rf electromag field immunity IEC801 4 IEC1000 4 4 95 level 4 El fast transient requirements IEC801 5 IEC1000 4 5 95 level 2 3 Surges immunity IEC801 6 IEC10...

Страница 174: ...Source of specifications EN 50081 1 Electromagnetic compatibility basic specification Emitted Interference EN 50082 2 Electromagnetic compatibility basic specification Interference Immunity EN 61010...

Страница 175: ...785 1013 1 Short Operating Guide for 785 DMP Titrino 8 785 1023 Options Accessories to separate order and on payment of extra charge Burets Auxiliary burets 765 Dosimat 2 765 0010 776 Dosimat 2 776 00...

Страница 176: ...micro glass electrode without cable 6 0234 100 comb pH glass electrode with built in T sensor with SGJ 6 0238 000 T adapter for the connection of one electrode to 2 Titrinos 6 2103 100 T sensor Pt100...

Страница 177: ...0 PC connection Cable Titrino PC 9 9 pins 6 2134 040 Cable Titrino PC 9 25 pins 6 2125 110 RS232 C extension cable 25 25 pins 6 2125 020 RS232 C extension cable 9 9 pins 6 2134 110 Vesuv 3 0 PC progra...

Страница 178: ...common variables 10 43 Computer connection 154 COM X characteristics 126ff configuration 10 pin assignment 129 conditioning 27 CONFIG 7 Configuration 7 Connection balance 152 barcode reader 155 compu...

Страница 179: ...time 26 F Fabrication number 3 factor 15 16 Filling rate after determination 16 after manual dosing 2 fix EP 18 formula 38 G General rules for RS232 67ff Graphics changing output 12 display 47 exampl...

Страница 180: ...oring calibration interval 7 result limits 39 sample size limits 18 service interval 8 validation 7 N name 48 next service 8 no 134 135 Non aqueous titrations 158 not possible 135 not valid 135 O Obje...

Страница 181: ...24 Setting up 150ff signal drift 15 33 35 SILO 60 silo calculations 64 silo empty 135 silo full 135 silo lines 61 Silo reports 46 64 slope 58 SMPL DATA 59ff smpl unit 59 Software handshake 126 Specia...

Страница 182: ...4 MET 14 SET 24 Titration sequence DET 19 MET 19 SET 29 TIP 51 titr direction 25 transmission error 136 Tree 77 U Unit result 39 sample 59 up lim 17 18 39 U pol 16 USER 48 USER METH 53 User methods 53...

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