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6.3. User methods

719 S Titrino

136

6.3.4 "p+m_Val"

Determination of the acid capacity, resp.

A 8.2

and pK

A 4.3

of water and waste water.

The p-value represents the amount of acid to

be added to reach the pH value 8.2 (color

change of phenolphthalein).

The m-value represents the amount of acid to

be added to reach the pH value 4.3 (color

change of methyl orange).

Electrode:

Combined pH-glass electrode 6.0232.100 at

measuring input 1.

Titrant:

(HCl) = 0.1 mol/L

Sample:

25 mL water

Reference:

DIN 38 409, part 7 (1979)

Remarks:

When working without carbonate addition, set

the calculation variable C02 to 0 (key <C-

FMLA>).

C03 has to be 1 for sample size 100 mL (in-

stead of 25 mL).

This method can easily be modified to match

the particular specifications of each country,

e.g. the specified pH value may vary slightly.

– Results in mmol/L

– Concentration of titrant * 10

– Amount of carbonate addition in mmol

– Factor for 100 mL sample

– Titer c(HCl) = 0.1 mol/L

'pa

719 S Titrino 18200 719.0021

date 2002-03-13 time 12:49 0

SET pH p+m_Val

parameters

>SET1

EP at pH 8.20

dynamics 2

max.rate 5 ml/min

min.rate 5 µl/min

stop crit: drift

stop drift 20 µl/min

>SET2

EP at pH 4.30

dynamics 3

max.rate 5 ml/min

min.rate 5 µl/min

stop crit: drift

stop drift 20 µl/min

>titration parameters

titr.direction: auto

pause 1 0 s

start V: OFF

pause 2 0 s

extr.time 0 s

meas.input: 1

temperature 25.0 °C

>stop conditions

stop V: abs.

stop V 99.99 ml

filling rate max. ml/min

>statistics

status: ON

mean n= 3

res.tab: original

>preselections

conditioning: OFF

req.ident: OFF

req.smpl size: OFF

activate pulse: OFF

------------

'fm

719 S Titrino 18200 719.0021

date 2002-03-13 time 12:49 0

SET pH p+m_Val

>calculations

p value=(EP1*C36*C01-C02)*C03;2;

m value=(EP2*C36*C01-C02)*C03;2;

C01= 1.00

C02= 1.0

C03= 4

C36= 0.0

------------

'de

719 S Titrino 18200 719.0021

date 2002-03-13 time 12:49

SET pH p+m_Val

def

>formula

p value=(EP1*C36*C01-C02)*C03

RS1 text p value

RS1 decimal places 2

RS1 unit:

m value=(EP2*C36*C01-C02)*C03

RS2 text m value

RS2 decimal places 2

RS2 unit:

>common variables

>report

>mean

MN1=RS1

MN2=RS2

------------

Содержание Titrino 719 S

Страница 1: ...CH 9101 Herisau Switzerland E Mail info metrohm com Internet www metrohm com 719 S Titrino Program version 5 719 0021 Instructions for Use 8 719 1103 03 2002 pkl...

Страница 2: ......

Страница 3: ...ameters for CAL 36 2 8 Result calculations 39 2 9 Statistics calculation 41 2 10 Common variables 43 2 11 Data output 44 2 12 Method memory keys USER METH 47 2 13 Calibration data key CAL DATA 49 2 14...

Страница 4: ...onnection of a computer 123 5 2 Connection of electrodes preparing titration vessel 124 6 Appendix 127 6 1 Technical specifications 127 6 2 Pin assignment of the Remote socket 129 6 2 1 Lines of the R...

Страница 5: ...tart methods for the most common applications are stored in the internal method memory The operator is free to modify and overwrite this methods or to create and store his own titration sequences Data...

Страница 6: ...1 2 Controls and parts 719 S Titrino 2 1 2 Controls and parts Front view of instrument...

Страница 7: ...OS is being pressed Used e g to prepare the Exchange Unit The dispensing rate can be set with potentiometer 4 Key STOP FILL Stops procedures e g titrations conditioning Filling after manual dosing wit...

Страница 8: ...1 2 Controls and parts 719 S Titrino 4 Rear view of instrument...

Страница 9: ...Pol 1 measuring input for PT100 or Pt1000 temperature sensor 9 Connection for separate keypad 10 Analog output for the connection of a recorder 11 Connection for power cable With power supplies where...

Страница 10: ...ations and hold during ti trations SILO ON OFF switching of silo memory for sample data see page 51 CAL DATA Calibration data see page 49 C FMLA Calculation values see page 40 DEF Formulas data output...

Страница 11: ...The first line indicates again where you are If a dialog text of an inquiry is marked with you can select a value with the key SELECT A value is stored with ENTER and the cursor moves to the next inqu...

Страница 12: ...te you quit the text writing mode with QUIT Confirm now the name with ENTER If your text fills the whole text field just press ENTER to store the text During text input you can correct typing errors w...

Страница 13: ...IG You see the title of a new group of inquiries This auxiliaries group contains the inquiry for the dialog language Pressing the ENTER key takes you to the inquir ies of the group auxiliaries Note th...

Страница 14: ...quiries with QUIT You are one level higher in the configuration menu showing the title ajustes varios auxiliaries Press QUIT once again to exit the configuration menu and return to the standby state A...

Страница 15: ...Entry of the end point and the control parameters PARAM ENTER ENTER ENTER ENTER Press PARAM The display shows Control parameters for EP1 Set the end point to pH 7 00 Dynamics means the control range i...

Страница 16: ...second line shows a control bar which indicates the control deviation of the current measured value from the set end point After the titration the end point volume and its pH value is displayed With...

Страница 17: ...xt result Quit the formula entry by pressing QUIT twice In order to be able to calculate the result enter the calculation constants used in the for mula Entry of the calculation constants C FMLA 0 1 E...

Страница 18: ...the titration the calculated result is dis played directly after the titration As we have entered the formula later we now have to select the result display Display of the result SELECT ENTER Press SE...

Страница 19: ...REPORTS ENTER Your printout will look like the following Identification of the report type fr full report Device type device number and program version Initial pH value mode and method name Volume and...

Страница 20: ...ected you can print out the contents of your method memory Key sequence PRINT USER METH ENTER Stored methods can be loaded at any time Loading a method from the method memory USER METH ENTER SELECT or...

Страница 21: ...nected this inquiry is skipped pH value of the first buffer Enter the pH value of the buffer at your calibration temperature The voltage of the first buffer is measured When the measured value has met...

Страница 22: ...rinter connected to your Titrino you can print out the titration parameters with the keys PRINT PARAM ENTER Mount an Exchange Unit with c HCl 0 1 mol L as titrant Add 25 mL drinking water as sample an...

Страница 23: ...the display With ENTER you obtain the mean value A second ENTER displays the number of single values which have been used for the mean calculation If you press SELECT again the display display std de...

Страница 24: ...inquiry of the result table res tab To delete a single result with index n from the result table press SELECT so that delete n appears Enter index n of the result you wish to delete in our example th...

Страница 25: ...n Seiko e g for DPU 414 Citizen e g for iDP 562 RS Custom DP40 S4N HP e g for Desk Jet types Place curves always at the beginning of a page as you cannot have them over 2 pages IBM for all printers wi...

Страница 26: ...tomatic starts number of samples Used for instrument interconnections in which the external instrument does not initiate a start Not advisable in connections with Sample Changers Start delay 0 999999...

Страница 27: ...key CONFIG 719 S Titrino 23 common variables C30 0 0 etc Values of the common variables Common variables C30 C39 0 999 999 The values of all common variables are displayed For creating of common vari...

Страница 28: ...d confirm with ENTER Select the measured quantity pH U Ipol Upol T with SELECT and confirm it also with ENTER The following modes can be selected SET Set Endpoint Titration CAL pH Calibration MEAS Mea...

Страница 29: ...ermination of the titration statistics Calculation of mean values and standard deviation see also page 41 preselections ON OFF of various auxiliary functions such as auto matic requests after the star...

Страница 30: ...drift is reached 1 999 L min Titration stops if there is no dosing during t delay 0 999 s INF CLEAR sets INF Switch off when the end point is reached and the set time after the last dispensing has el...

Страница 31: ...aiting time after start volume e g reaction time after dosing of a start volume The waiting time can be aborted with QUIT Extraction time 0 999999 s During extraction time no dispensing occurs but the...

Страница 32: ...min max CLEAR sets max The maximum rate depends on the Exchange Unit Exchange Unit max 5 mL 15 mL min 10 mL 30 mL min 20 mL 60 mL min 50 mL 150 mL min statistics status OFF mean n 2 res tab original...

Страница 33: ...ayed during the conditioning Display of drift during conditioning ON OFF Volume drift Type of drift correction auto man OFF Type of drift correction EP drift time auto drift value at start is valid ma...

Страница 34: ...uested The temperature 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...

Страница 35: ...aximum 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 ra...

Страница 36: ...r This results in a drift of 2 L 5 s 24 L min the drift can be less than 24 L 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 wi...

Страница 37: ...iment 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 38: ...s that the measured value is acquired after a fixed equilibration time Waiting time for measured value acquisition 0 9999 s OFF CLEAR sets OFF If no new equilibration time has been entered the Titrino...

Страница 39: ...appear Mean value calculation from n single results 2 20 Result table original delete n delete all original The original table is used Deleted individual results are again incorporated in the evaluat...

Страница 40: ...0 20 00 The pH 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 gi...

Страница 41: ...all first OFF See page 131 statistics status OFF mean n 2 res tab original delete n 1 Statistics calculation Status of statistics calculation OFF ON If the statistics calculation is switched off the f...

Страница 42: ...lue of the second buffer Store the value with ENTER or continue with START the value is not stored Leave the calibration with STOP 1 point calibration The second buffer is measured As many buffers app...

Страница 43: ...mple 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...

Страница 44: ...Sample specific operands see page 50ff C30 C39 Common variables C40 Initial measured value of the sample last measured value in MEAS C41 End volume C42 Determination time C43 Volume drift for SET with...

Страница 45: ...endpoints EPX or variables CXX For 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...

Страница 46: ...ts 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 t...

Страница 47: ...h DEF results RSX endpoints EPX 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 Assign...

Страница 48: ...alib ff Select a block with SELECT If you require more than one report block set a as a delimiter between the blocks Meaning of the report blocks full Full result report with raw results calculations...

Страница 49: ...report parameters PARAM Current sample data smpl data SMPL DATA Statistics report with the individual results statistics STATISTICS All sample data from the silo memory silo SILO Calibration data cal...

Страница 50: ...sed to view the individual EP s results etc SELECT display ENTER display Remarks display results RS1 RS9 calculated results display EP s EP1 EP2 EP s dispaly mean m RS1 m RS9 n mean values and number...

Страница 51: ...of method name 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 meth...

Страница 52: ...ts of the method memory can be printed 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 yo...

Страница 53: ...00 Entered automatically after a calibration 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...

Страница 54: ...used as sample specific calculation variables C21 C23 smpl size Sample size Entry using keypad or via balance see page 120 smpl unit Unit of the sample size The display texts of the Titrino are shown...

Страница 55: ...e fetched from the next silo line Organisation of the silo memory Silo memory contains 35 lines Next free line is 36 6 of the 35 lines have been processed Free lines from 36 to 99 and from 1 to 6 1 si...

Страница 56: ...d method name from the method memory If no method name has been entered the sample is processed with the method in the working memory Selection of the method with SELECT Sample identification 1 3 or s...

Страница 57: ...ory ON OFF Data cycling on is useful if you constantly have to process the same sample data In such a case the processed silo line is not deleted but copied to the next free line see below If you work...

Страница 58: ......

Страница 59: ...alog 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 Confi...

Страница 60: ...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 F...

Страница 61: ...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 i...

Страница 62: ...ple size after start Start Instrument in the SET mode processing the start conditions SET1 Instrument in the SET mode titrating to the first endpoint SET2 Instrument in the SET mode titrating to the s...

Страница 63: ...inactive Cond Ok Instrument in the SET mode conditioning endpoint reached Cond Prog Instrument in the SET mode conditioning endpoint not reached R Mode MEAS Inac Instrument in the MEAS mode inactive...

Страница 64: ...startup E28 Wrong object call up Exit Send correct path for object Start path at root E29 Wrong value or no value allowed Exit Send correct value or call up new object E30 Wrong trigger this trigger...

Страница 65: ...handshake for more than 1 s Exit QUIT Is the receiver switched on and ready to receive E41 DCD ON No proper handshake for more than 1 s Exit QUIT Is the receiver switched on and ready to receive E42 C...

Страница 66: ...on the first measured value lies behind the endpoint Exit The error message disappears on next startup E131 No EP set for SET Exit The error message disappears on next startup E132 Silo empty and it h...

Страница 67: ...tree can be divided into the following branches Root Mode Method parameters UserMeth Administration of the internal user memory for methods Config Instrument configuration SmplData Sample specific da...

Страница 68: ...ions for data output Formulas Calculation formulas 1 for result 1 Formula Calculation formula special 3 2 2 5 TextRS Text for result output up to 8 ASCII char ditto Decimal Number of decimal places 0...

Страница 69: ...99 3 2 2 16 ExtrT Extraction time 0 999 999 3 2 2 17 MeasInput Measuring Input 1 2 diff 3 2 2 18 Ipol Polarization current 0 1 127 ditto Upol Polarization voltage 0 400 1270 ditto PolElectrTest Test f...

Страница 70: ...IReq Request of Id s after start id1 id1 2 all OFF 3 2 2 24 SReq Request of sample size after start value unit all OFF ditto ActPulse Output of a pulse ON OFF 3 2 2 25 Parameter Tree part Parameters...

Страница 71: ...racters 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 72: ...s espanol italiano portugese svenska 3 2 2 42 Set Setting of date and time G 3 2 2 43 Date Date XXXX XX XX Time Time XX XX RunNo Run number 0 9999 3 2 2 44 AutoStart Automatic start 1 9999 OFF 3 2 2 4...

Страница 73: ...t sample data Counter Counter of silo memory MaxLines Maximum lines read only 3 2 2 53 FirstLine First line read only ditto LastLine Last line read only ditto EditLine Editing silo lines 1 1st silo li...

Страница 74: ...DetermData Determination data G 3 2 2 61 Write Read write for several nods ON OFF ExV Volume of Exchange Dosing unit read only read write ditto TitrResults Titration results RS Calculated results 1 1...

Страница 75: ...r Clears counter G ditto PistonPos Measured value read only 3 2 2 67 Meas Measured value read only ditto Titrator From Titrator CyclNo Cycle number read only 3 2 2 68 V Volume read only ditto Meas Mea...

Страница 76: ...Select Type of 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...

Страница 77: ...Waiting time after run ON OFF ditto SendMeas Automatic sending of measured values SendStatus Connect disconnect sending ON OFF 3 2 2 82 Interval Time interval 0 08 4 16200 ditto Select Selection Asse...

Страница 78: ...F ditto RC Recalculation of results done ON OFF ditto I Changing an I O input ON OFF ditto O Changing an I O output ON OFF ditto PowerOn RESET power on G 3 2 2 87 Initialise Set default values G 3 2 2...

Страница 79: ...3 2 Remote control commands 719 S Titrino 75 Diagnose Object Description Input range Reference Root Diagnose Diagnose Report Output of adjustment parameters G 3 2 2 91...

Страница 80: ...ete selection If a method is selected from the method memory the nodes Mode Select and Mode XXXQuantity are overwritten with mode and measured quantity of the corresponding user method 3 2 2 4 Mode Na...

Страница 81: ...d Stored in the method memory of the Titrino Operands specific to the sample 3 2 2 52 and 3 2 2 53 and val ues of common variables 3 2 2 50 on the other hand are not stored with the methods 3 2 2 10 M...

Страница 82: ...4 Mode Parameter TitrPara XPause 0 999 999 Parameter for SET Pause time 1 in s Is waited off before the dispensing of the start volume 3 2 2 15 Mode Parameter TitrPara StartV Type abs rel OFF Mode Par...

Страница 83: ...been selected the volume in mL is valid A relative stop volume rel is dispensed as a function of the sample size Stop volume in mL smpl size factor The factor is valid OFF means that the criterion is...

Страница 84: ...ation continues if the requested en try entries is are made e g SmplData OFFSilo Id1 see 3 2 2 73 or with M G see 3 2 2 1 H is not possible in requests 3 2 2 26 Mode Parameter Presel ActPuls ON OFF Pa...

Страница 85: ...er Calibration CalTemp 20 0 25 0 120 0 Parameters for CAL Calibration temperature in C If a Pt 100 or Pt1000 is connected the temperature is measured 3 2 2 32 Mode Parameter Calibration Buffer 1 Value...

Страница 86: ...corresponding node just after en tering the name Do not use blank characters before and after method name DelAll Deletes all methods in the user memory 3 2 2 39 UserMeth List 1 Name read only UserMeth...

Страница 87: ...45 Config Aux AutoStart 1 9999 OFF Number of automatic internal starts 3 2 2 46 Config Aux StartDelay 0 999 999 Start delay time in s During this time the data of the preceding determination are retai...

Страница 88: ...ters SmplData OFFSilo ValSmpl 6 digits sign and decimal point SmplData OFFSilo UnitSmpl up to 5 ASCII characters Current sample data The identifications Id1 Id3 can be used in formulas as sample speci...

Страница 89: ...n report Is not accessible during a running deter mination parameters Parameter report of the current method During a running deter mination only live parameters are accessible smpl data Current sampl...

Страница 90: ...mes have the same results of the checksum 3 2 2 61 Info DetermData G Info DetermData Write ON OFF Info DetermData ExV read only read write Recalculation of the measuring data is triggered with G Write...

Страница 91: ...ad only Info ActualInfo Outputs Clear G Status sends the 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 clea...

Страница 92: ...nfo Titrator dMeasdV read only Q sends the current values in the following formats SET MEAS CAL CyclNo 127 127 127 V ml 1 2345 Meas pH U Ipol mV Upol uA T C 3 6 mV 345 6 12 5 3 345 345 6 12 5 25 0 3 3...

Страница 93: ...sembly Bur Fill G H C G starts the FILL mode of the buret function 3 2 2 74 Assembly Bur ModeDis G S H C Assembly Bur ModeDis Selected volume time Assembly Bur ModeDis V 0 0001 0 1 9999 Assembly Bur M...

Страница 94: ...ne 2 is set to inactive by the EOD pulse L3 is the line of the activate pulse An active line 3 is set to in active by the activate pulse ResetLines Lines are set to the inactive status high 3 2 2 77 S...

Страница 95: ...ent on sets both nodes to OFF StartWait Holding point right after starting a method or submethod in TIP holding point after AutoInfo T GC FinWait Holding point at the end a method or submethod in TIP...

Страница 96: ...3 2 2 82 formats see 3 2 2 68 CyclNo Cycle number Together with the cycle time 3 2 2 71 a time frame can be set up The other data belong to the corresponding cycle number The cycle number is set to 0...

Страница 97: ...ade simulta neously there is 1 message Pulses receive 2 messages one message each for line active and inactive I Input Change of an input line O Output Change of an output line except 7 pin 2 for reco...

Страница 98: ...are set to their default value and error messages are cleared The user and silo memories will be de leted The user memory contains the default user methods from Metrohm 3 2 2 90 Setup InstrNo G Setup...

Страница 99: ...o with foreign devices The cable shield must be properly grounded on both instruments pay attention to current loops always ground in a star head formation Only plugs with sufficient shielding may be...

Страница 100: ...CRLF As soon as an LF is recognized the Titrino sends XOFF After this it can receive maximum 6 extra characters and store them The string sent previously is now processed by the Titrino Afterwards th...

Страница 101: ...If data output is disabled for more than 3 s by XOFF E43 appears in the display Hardware Handshake HWs Titrino as Receiver Titrino external device Titrino external device Data output Data input LF XO...

Страница 102: ...HWf All handshake inputs are checked at the Titrino handshake outputs are set Titrino as Receiver Titrino as Sender The data flow can be interrupted by deactivating the CTS line Titrino external devi...

Страница 103: ...of the received signal is within the tolerance range remote station is ready to send data Data Terminal Ready DTR ON condition Instrument is ready to receive data Protective earthing Direct connection...

Страница 104: ...Contact arrangement at plug female for RS 232C socket male View of soldered side of plug Ordering numbers K 210 9004 and K 210 0001 No liability whatsoever will be accepted for damage or injury cause...

Страница 105: ...able 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 106: ......

Страница 107: ...e monitoring is active Exit Connect Pt100 or Pt1000 or STOP division by zero The result could not be calculated as a divisor in the formula was equal to zero Exit Enter appropriate value manual stop T...

Страница 108: ...n overwritten Exit CLEAR Default adjustment data are set The error message appears each time the instrument is switched on until it has been readjusted Metrohm service wrong sample With SET with prese...

Страница 109: ...The transmission of the Titrino has been interrupted with XOFF for at least 3 s Exit QUIT E44 The RS interface parameters are no longer the same for both instruments E45 The receive buffer of the Tit...

Страница 110: ...number see configu ration page 22 and specify possible error displays 4 2 2 Procedure The diagnostic steps must be performed in sequence and compared with the reac tions of the 719 S Titrino indented...

Страница 111: ...s for diagnostic test Power off Disconnect all external connections cables at rear except mains cable and key board Remove exchange unit Power on and immediately press and hold the 9 key until the pow...

Страница 112: ...32 110 keypad or on the fron panel of the 719 the appropriate matrix code appears in the display Fig 1 Keypad 719 Fig 2 Front panel 719 Block 1 is quit by pressing the Clear key twice diagnose press k...

Страница 113: ...Analogue output test A voltage can be set at the analog output sockets at D using the kexpad But this should not exceed 2000 mV This volt age can also be used for the calibration of a connected record...

Страница 114: ...7 1 Examination of highly insulated measuring inputs Connect Ind I measuring input to a voltage calibrator e g Metrohm 773 pH simu lator by means of a highly insulated cable e g 6 2108 060 Set calibra...

Страница 115: ...II Press Clear analog input test 1 5 7 2 To check Pt 100 1000 connection Connect a Pt 100 or Pt 1000 sensor a resistor switch box or a single resistor of 100 or 1 k respectively to sockets Pt 100 1000...

Страница 116: ...ss key 0 9 Remove cable and resistor switch box 8 External inputs and outputs This test is meaningful only if the 719 S Titrino is used interconnected with other instruments via the Remote connec tion...

Страница 117: ...display shows extern input output o k Remove test plug Press CLEAR diagnose press key 0 9 9 RS 232 test A 3 496 8480 test plug normally used in the repair service is required for this test However thi...

Страница 118: ...ills only if an exchange unit is inserted The Titrino gets out of the diagnosis menu and returns to the user program Remove exchange unit Check spindle zero position see Fig 5 0 2 0 6 mm Fig 5 Fig 6 T...

Страница 119: ...o is again in the ready position Times for filling 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 f...

Страница 120: ...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 Subsequently a warm start is executed...

Страница 121: ...proceed as follows 2 screws M3 fillister head knob edge of bench 2 screws M4 countersunk Fig 7 Disconnect instrument from power supply Remove control knob Place instrument over edge of bench to allow...

Страница 122: ...t 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 u...

Страница 123: ...25 130 baud rate 9600 data bit 8 stop bit 1 parity none handshake HWs send to Seiko none Custom DP40 S4N 6 2125 130 baud rate 9600 data bit 8 stop bit 1 parity none handshake HWs send to Citizen none...

Страница 124: ...46 020 additionally from Mettler ME 47473 Adapter and ME 42500 hand switch or ME 46278 foot switch Mettler interface 016 Cable in scope of delivery of interface 016 red lead to pin 3 white lead to pin...

Страница 125: ...ance works only with 7 bit and the printer with 8 bit and if they are at the same Titrino the balance has to bet to space parity and Titrino printer to 8 bit no parity 5 1 4 Connection of a Sample Cha...

Страница 126: ...eselection at Titrino Meaning Resolution Signal at analogue output U Voltage pH 0 00 pH 7 00 pH 14 00 U 1 mV U 1 mV I 1 A I 1 A T 0 C T 1 C T 1 C 700mV 0 mV 700 mV 1 mV 1 mV 10 mV 10 mV 0 mV 10 mV 10...

Страница 127: ...1 6 Connection of a computer Preselections 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...

Страница 128: ...lectrodes 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 129: ...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 130: ...contact with the electrode is thoroughly mixed This is achieved by efficient stirring But it should not be too fast otherwise the stirrer vortex will suck in air bubbles and CO2 or O2 can disturb the...

Страница 131: ...urrent 0 200 A resolution 1 A Temperature 150 0 450 0 C resolution 1 C Polarizer Ipol 0 127 A resolution 1 A Upol 0 1270 mV in steps of 10 mV Measuring amplifier at 25 C and Titrino warmed up Input re...

Страница 132: ...ion at SET T temperature 1 mV 12 Bit see also page 122 Ambient temperature Nom operation range 5 40 C Storage 20 60 C Transport 40 60 C Safety specifications Designed and tested in accordance to IEC p...

Страница 133: ...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 134: ...active with errors Activate pulse see page 131 Pulses for recorder tp 150 s 10 000 per buret cylinder For all outputs VCE0 40 V IC 20 mA tPulse 100 ms Functions see page 131 Voltage pin 15 pin 14 pin...

Страница 135: ...6 2 Pin assignment of the Remote socket 719 S Titrino 131 6 2 1 Lines of the Remote socket during the titration...

Страница 136: ...6 2 Pin assignment of the Remote socket 719 S Titrino 132 6 2 2 Possible configurations of the activate pulse in SET and CAL...

Страница 137: ...the calculation constants using the key C FMLA Stop volumes or other stop conditions should be entered depending on sample If a printer is connected the methods should be completed with report instruc...

Страница 138: ...1 mol L pa 719 S Titrino 18200 719 0021 date 2002 03 13 time 12 24 0 SET pH Tit HCl parameters SET1 EP at pH 5 10 dynamics 3 max rate 5 ml min min rate 0 5 l min stop crit drift stop drift 20 l min S...

Страница 139: ...titer c NaOH 0 1 mol L pa 719 S Titrino 18200 719 0021 date 2002 03 13 time 12 44 0 SET pH Tit NaOH parameters SET1 EP at pH 8 65 dynamics 3 max rate 5 ml min min rate 0 5 l min stop crit drift stop d...

Страница 140: ...ple Titer c HCl 0 1 mol L pa 719 S Titrino 18200 719 0021 date 2002 03 13 time 12 49 0 SET pH p m_Val parameters SET1 EP at pH 8 20 dynamics 2 max rate 5 ml min min rate 5 l min stop crit drift stop d...

Страница 141: ...nsumption of blank sample in mL Normality of the titrant 0 05 titer Molar mass of Br2 0 05 Dilution factor pa 719 S Titrino 18200 719 0021 date 2002 03 13 time 13 05 0 SET Ipol Br_No parameters SET1 E...

Страница 142: ...ating procedures Guidelines for the testing regulations SOP Standard Operating Procedure are given in the following Metrohm Application Bulletin No 252 Validation of Metrohm Titrators potentiometric a...

Страница 143: ...ranteed 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 aft...

Страница 144: ...romagnetic compatibility basic specification Emitted Interference EN 50082 Electromagnetic compatibility basic specification Interference Immunity EN 61010 Safety requirements for electrical laborator...

Страница 145: ...compatibility Immunity EN50082 1 IEC61000 6 2 Namur IEC61000 4 2 IEC61000 4 3 IEC61000 4 5 IEC61000 4 6 IEC61000 4 11 Safety specifications IEC61010 1 EN61010 1 It has also been certified by the Swis...

Страница 146: ...r data acquisition and method backup for 2 devices 6 6008 500 1 Instructions for Use for 719 S Titrino 8 719 1103 1 Quick Reference for 719 S Titrino 8 719 1113 Options Accessories to separate order a...

Страница 147: ...ries comb pH Glass electrode with SGJ without cable 6 0233 100 comb pH glass electrode without cable 6 0232 100 comb pH micro glass electrode without cable 6 0234 100 comb pH glass electrode with buil...

Страница 148: ...connection Cable Titrino PC 25 25 pins 6 2125 060 Cable Titrino PC 25 9 pins 6 2125 060 6 2125 010 RS232 C extension cable 25 25 pins 6 2125 020 Vesuv 3 0 PC program for data acquisition and method ba...

Страница 149: ...ter connection 123 conditioning 29 Configuration 21 Conformity 139 Connection balance 120 cable 143ff computer 123 electrode 124 printer 119 recorder 122 sample changer 121 stirrer 118 Ti stand 118 Co...

Страница 150: ...0 CLEAR 6 CONFIG 6 21 DEF 6 39 DOS 3 ENTER 6 MEAS HOLD 6 MODE 6 24 PARAM 6 25 PRINT 6 45 QUIT 6 REPORTS 6 44 SELECT 6 SILO 6 51 SMPL DATA 6 50 START 3 6 STATISTICS 6 42 STOP FILL 3 STOP 6 USER METH 6...

Страница 151: ...39 RS1 decimal places 39 RS1 unit 39 RS1 39 RS232 settings 22 RS232 interface configuration 22 pin assignment 99 properties 95ff Rules for operation via RS232 55ff run number 22 S same buffer 103 Samp...

Страница 152: ...input 8 time 22 Tit HCl 134 Tit NaOH 135 titr direction 26 Titration non aqueous 124 parameters SET 26 sequence SET 30 vessel setup 126 titration parameters 26 Tree 63ff Troubleshooting 103ff Tutoria...

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