Radiometer Analytical TitraLab 980 User manual

TitraLab®980
pH/EP/IP/KF Titration Workstation
Reference Manual
D21T075

D21T075 • Printed by Radiometer Analytical SAS • 2008-02B

TitraLab®TitraLab 980 Reference Manual
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Sommaire
Introduction ..........................................................................................................15
General Information .............................................................................................16
Starting up ............................................................................................................17
Read me! ...............................................................................................................18
Practical examples ..............................................................................................21
Programming electrodes ...........................................................................................23
Programming reagents ..............................................................................................25
Programming methods ..............................................................................................27
Programming TIM sequences ...................................................................................31
Programming SAC sequences ..................................................................................33
Programming tips ................................................................................................36
Glossary ...............................................................................................................39
0IP (result indicator) ...................................................................................................41
ABU1/ABU2 .................................................................................................................41
Accept a result ............................................................................................................41
Acceptance criteria ....................................................................................................42
Acceptation .................................................................................................................43
Access routine mode .................................................................................................43
Active electrode unknown in "method ID" ...............................................................43
Add method menu ......................................................................................................44
Add. reagent = Titrant ................................................................................................45
Addition .......................................................................................................................45
Addition delay .............................................................................................................46
Addition method - definition .....................................................................................47
Addition method - programmation ...........................................................................48
Addition volume .........................................................................................................49
Address .......................................................................................................................49
Alarm: Locked .............................................................................................................49
Alarm: Unlocked .........................................................................................................50
Aliquot .........................................................................................................................50
Alphanumeric characters ..........................................................................................51
Amount unit ................................................................................................................51
Applied signal (AC/DC) ..............................................................................................51
Archives data lost - Cal. Data lost - Methods kept ..................................................52
Assistant function ......................................................................................................52
Autochaining ...............................................................................................................52
Autostart (Yes/No) ......................................................................................................53

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Auxiliary input .............................................................................................................54
Auxiliary output ..........................................................................................................55
Aux. action / Aux. on for ............................................................................................56
Back reagent = Titrant ................................................................................................56
Back reagent unknown ..............................................................................................56
Back titration ...............................................................................................................56
Back titration - ID ........................................................................................................56
Back titration No/Manual/Automatic .........................................................................57
Balance cables - A95Z201, A95Z202 .........................................................................58
Balance cables - A95Z204, A95Z205 .........................................................................59
Balance cables - A95Z206, A95Z207 .........................................................................60
Balance cables - A95Z208 ..........................................................................................61
Balance connection ....................................................................................................62
Balance in use ............................................................................................................63
Bar code reader connection ......................................................................................63
Batch number .............................................................................................................63
Beaker detection .........................................................................................................64
Beaker detection minimum height ............................................................................65
Beaker menu ...............................................................................................................66
Beakers: [F;L] .............................................................................................................67
Beep .............................................................................................................................67
Blank (Yes/No) ............................................................................................................67
Blank not required ......................................................................................................67
Blank on inflection no. ...............................................................................................67
Blank required ............................................................................................................67
Blank volume ..............................................................................................................68
Burette functions menu .............................................................................................68
Burette speed ..............................................................................................................68
Burette stand ..............................................................................................................69
Burette volume ...........................................................................................................70
Calculate with EP no. .................................................................................................70
Calculate with IP no. ...................................................................................................70
Calibrate pH electrodes .............................................................................................70
Calibrate reagents ......................................................................................................70
Calibration delay elapsed ..........................................................................................70
Calibration parameters ..............................................................................................71
Calibration request (No, Fixed, Free) ........................................................................72
Calibration results parameters ..................................................................................73
Calibration sequence .................................................................................................73
Calibration stack .........................................................................................................73
Catalogue list ..............................................................................................................73
Cell grounding ............................................................................................................73

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Cell window .................................................................................................................74
Change electrode name .............................................................................................74
Change method name ................................................................................................74
Change reagent name ................................................................................................74
Change sequence name ............................................................................................75
Check command .........................................................................................................76
Check electrodes ........................................................................................................76
Check reagents ...........................................................................................................77
Communication failure (SAC error) ..........................................................................77
Concentration .............................................................................................................77
Concentration unit ......................................................................................................77
Configuration menu ...................................................................................................78
Connections ................................................................................................................78
Continuous IP method ...............................................................................................79
Contrast .......................................................................................................................80
Controlled by TTL IN ..................................................................................................80
Copy electrode ............................................................................................................81
Copy method ...............................................................................................................82
Copy reagent ...............................................................................................................82
Coupled method .........................................................................................................83
Create electrode .........................................................................................................84
Create method ............................................................................................................84
Create reagent ............................................................................................................85
Current value ..............................................................................................................85
Curve ...........................................................................................................................86
Curve type incompatible for a reprocessing ...........................................................86
Curves data lost - Cal. Data kept - Methods kept ....................................................86
Customise ...................................................................................................................86
Date entry ....................................................................................................................87
Default parameters .....................................................................................................87
Delay after addition ....................................................................................................87
Delete electrode ..........................................................................................................87
Delete method .............................................................................................................88
Delete reagent .............................................................................................................88
Delete sequence .........................................................................................................88
Demand: Locked .........................................................................................................88
Demand: Unlocked .....................................................................................................89
Derivative ....................................................................................................................89
Detailed ........................................................................................................................90
Dilution (Yes/No) .........................................................................................................90
Dilution or sample unit incompatible .......................................................................91
Direction ......................................................................................................................91

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Direct measurements .................................................................................................91
Disconnect electrodes ...............................................................................................91
Display contrast ..........................................................................................................91
Display measurement ................................................................................................92
Drift - Drift détermination ...........................................................................................92
Dyn. rinse ....................................................................................................................93
Dynamic dose .............................................................................................................94
Dynamic IP method ....................................................................................................95
Dynamic rinses ...........................................................................................................96
Edit electrode menu ...................................................................................................97
Edit method menu ......................................................................................................98
Edit reagent menu ......................................................................................................99
Edit sequence menu .................................................................................................100
Edit sequence menu .................................................................................................101
Electrode calibration (Fixed mode, pH electrode) .................................................102
Electrode calibration (Free mode, pH electrode) ...................................................103
Electrode calibration (SAC sequence) ...................................................................104
Electrode calibration not required ..........................................................................105
Electrode calibration parameters ............................................................................105
Electrode calibration stack ......................................................................................106
Electrode connection ...............................................................................................107
Electrode connection - Important ...........................................................................108
Electrode function ....................................................................................................108
Electrode icons .........................................................................................................109
Electrode ID ...............................................................................................................110
Electrode identification ............................................................................................110
Electrode library .......................................................................................................110
Electrode not calibrated ...........................................................................................110
Electrode system ......................................................................................................111
Electrode type ...........................................................................................................111
Electrode window .....................................................................................................112
Electrodes are different ...........................................................................................112
Empty burette ...........................................................................................................112
EmptyKarl-Fischer cell .............................................................................................112
Empty sequence .......................................................................................................113
End point ...................................................................................................................113
End point delay .........................................................................................................113
End point method .....................................................................................................113
Enter titre ...................................................................................................................114
Equation formula ......................................................................................................115
Equation formula ......................................................................................................116
Equation ID ................................................................................................................116

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Equation unit .............................................................................................................117
Equilibration step .....................................................................................................117
Equivalent point determination (IP methods) ........................................................118
Equivalent point determination (IP methods) ........................................................119
ERR#32 (SAC error) ..................................................................................................120
Error messages ........................................................................................................121
Error in equation formula ........................................................................................122
Excess reagent ID .....................................................................................................122
Excess titre ...............................................................................................................122
Excess volume ..........................................................................................................122
Expiry date ................................................................................................................123
Expiry date elapsed ..................................................................................................123
Fill burette .................................................................................................................123
Fill/empty Karl-Fischer cell ......................................................................................124
Final dil. amount .......................................................................................................124
Flush burette .............................................................................................................125
Format (printouts) ....................................................................................................125
Function ....................................................................................................................126
Fuses .........................................................................................................................126
Global flush burettes ................................................................................................127
Global variable ..........................................................................................................127
GLP-Archives menu .................................................................................................128
Ground conflict .........................................................................................................128
Help ............................................................................................................................128
High (result indicator) ..............................................................................................128
Icons ..........................................................................................................................129
ID ................................................................................................................................130
Increment ..................................................................................................................130
Inflection Point (IP) ...................................................................................................130
Input address conflict ..............................................................................................130
Insert method menu .................................................................................................131
Install a reagent in a burette stand .........................................................................132
Install burette stand .................................................................................................133
Insufficient number of beakers ...............................................................................133
IP>1 (result indicator) ...............................................................................................134
IP filter .......................................................................................................................134
IP reject ......................................................................................................................134
Iso pH .........................................................................................................................135
Karl-Fischer cell ........................................................................................................136
Karl Fischer method .................................................................................................137
Keyboard connection ...............................................................................................138
Language ...................................................................................................................139

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Low (result indicator) ...............................................................................................139
Main window .............................................................................................................139
Mains frequency .......................................................................................................139
Man. stop (result indicator) .....................................................................................140
Manual dosing ..........................................................................................................140
Max. speed ................................................................................................................141
Max. stab reached ....................................................................................................141
Max. stab time ...........................................................................................................141
Max. volume ..............................................................................................................142
Max. vol - Predose > Bur. vol ...................................................................................142
Max. volume reached ...............................................................................................142
Maximum dose ..........................................................................................................143
Measure type conflict for a reprocessing in "Method ID" ....................................143
Measurement ............................................................................................................143
Method .......................................................................................................................144
Method ID ..................................................................................................................144
Method library ...........................................................................................................145
Method parameters menu ........................................................................................145
Method results menu ...............................................................................................146
Method type incompatible for a reprocessing .......................................................146
Method wrong type ...................................................................................................146
Min. ordinate Max. ordinate .....................................................................................147
Min. ordinate Max. ordinate - Blank ........................................................................148
Min. pH0(25) - Max. pH0(25) .....................................................................................148
Min. sensitivity - Max. sensitivity ............................................................................148
Min. speed - Max. speed ..........................................................................................149
Min. Temp. - Max. Temp. ..........................................................................................149
Min. titration - Max. titration ....................................................................................150
Minimum value - Maximum value ...........................................................................150
Missing beaker (SAC error) .....................................................................................151
Missing EP ................................................................................................................151
Missing IP ..................................................................................................................151
Mode ..........................................................................................................................151
Molar weight ..............................................................................................................152
Monotonic IP method ...............................................................................................152
Nb lines per page (printouts) ...................................................................................153
No curve generation for a reprocessing ................................................................153
No curve stored within the instrument ...................................................................153
No stirrer (SAC error) ...............................................................................................154
Notification message ...............................................................................................154
Number of additions .................................................................................................154
Number of buffers ....................................................................................................155

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Number of cycles ......................................................................................................155
Number of decimals .................................................................................................155
Number of digits .......................................................................................................155
Number of dynamic rinses ......................................................................................156
Number of EP ............................................................................................................156
Number of equations ................................................................................................156
Number of IP .............................................................................................................156
Number of results .....................................................................................................156
Number of static rinses ............................................................................................157
Number of tests ........................................................................................................157
OK (result indicator) .................................................................................................158
Others list ..................................................................................................................158
Parameters menu .....................................................................................................158
PC cable - A95X501 ..................................................................................................158
PC connection ..........................................................................................................158
PC keyboard ..............................................................................................................159
Periodicity .................................................................................................................159
Periodicity for QC samples ......................................................................................159
pH0(25) ......................................................................................................................160
pH buffer ....................................................................................................................160
pH calibration results parameters ..........................................................................160
pH calibration solutions parameters ......................................................................160
pH int .........................................................................................................................161
Potential versus SHE ...............................................................................................162
Predose mode, Predose until ..................................................................................163
Preprogrammed list ..................................................................................................163
Printer ........................................................................................................................164
Printer cables - A95P201, A95X506 .........................................................................165
Printer connection ....................................................................................................166
Print in table ..............................................................................................................166
Printouts ....................................................................................................................167
Printouts detailed .....................................................................................................168
Printouts menu .........................................................................................................168
Printouts setup .........................................................................................................168
Printouts title ............................................................................................................169
Programming method ..............................................................................................169
Programming sequence ...........................................................................................170
Programming sequence (Karl-Fischer methods) ..................................................171
Proportional band .....................................................................................................172
QC analysis required ................................................................................................172
QC (result indicator) .................................................................................................172
QC data menu ...........................................................................................................173

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QC ID ..........................................................................................................................173
QC not required ........................................................................................................173
QC periodicity elapsed .............................................................................................173
QC sample .................................................................................................................174
QC sample (Yes/No) .................................................................................................174
Reaction X Exc. + Y Titr ...........................................................................................175
Reaction X Smp + Y Titr ...........................................................................................176
Reaction X Smp + Y Exc ..........................................................................................177
Reaction X Std + Y Titr ............................................................................................178
Reagent addition ID .................................................................................................178
Reagent addition volume .........................................................................................179
Reagent calibration ..................................................................................................179
Reagent calibration (SAC sequence) ......................................................................180
Reagent calibration not required ............................................................................181
Reagent calibration parameters ..............................................................................181
Reagent calibration stack ........................................................................................182
Reagent icons ...........................................................................................................183
Reagent ID .................................................................................................................184
Reagent identification ..............................................................................................184
Reagent library .........................................................................................................184
Reagent not calibrated .............................................................................................184
Reagent system ........................................................................................................185
Reagent titre not entered .........................................................................................185
Reagent unit ..............................................................................................................185
Reagent window .......................................................................................................186
Recalculate results ...................................................................................................187
Ref. electrode conflict ..............................................................................................188
Reject a result ...........................................................................................................188
Release burette stand ..............................................................................................188
Remove burette stand ..............................................................................................189
Remove a method from a sequence .......................................................................190
Remove a reagent from a burette stand .................................................................190
Replace bottle ...........................................................................................................190
Replace burette stand ..............................................................................................191
Replace electrodes ...................................................................................................192
Replace a reagent of a burette stand ......................................................................193
Replace reagent bottle .............................................................................................194
Reprocessing a curve ..............................................................................................195
Reprocessing a curve (rules) ..................................................................................196
Reprocessing a curve (Automatic mode) ...............................................................197
Reprocessing a curve (Manual mode) ....................................................................198
Reprocessing a reagent calibration curve .............................................................199

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Reset memory ...........................................................................................................199
Reset to factory settings ..........................................................................................199
Result accepted (Yes/No) ........................................................................................200
Result ID ....................................................................................................................201
Result indicators ......................................................................................................201
Result unit .................................................................................................................202
Results .......................................................................................................................202
Results by difference/cumulate ..............................................................................203
Results factor (Yes/No) ............................................................................................203
Results menu ............................................................................................................204
RFID technology .......................................................................................................205
Rinse aux. output .....................................................................................................206
Rinse burette stand ..................................................................................................206
Rinse time .................................................................................................................207
Routine mode ............................................................................................................207
Run window ..............................................................................................................208
Running a manual dosing ........................................................................................209
Running a method ....................................................................................................210
Running a reagent calibration sequence ...............................................................210
Running a SAC sequence ........................................................................................211
Running a TIM sequence .........................................................................................212
SAC arm obstructed (SAC error) ............................................................................212
SAC ext. cell GND .....................................................................................................213
SAC Method ..............................................................................................................213
SAC option missing (SAC error) .............................................................................213
SAC Sequence ..........................................................................................................213
SAC switch Off/On (SAC error) ...............................................................................213
SAC80/SAC90/SAC850/SAC950 ..............................................................................214
Same buffer change buffer ......................................................................................214
Sample amount .........................................................................................................214
Sample changer ........................................................................................................215
Sample changer cable - A95A202 (SAC80/SAC90) ................................................216
Sample changer cable - A95X501 (SAC850/SAC950) ............................................216
Sample dilution conflict ...........................................................................................217
Sample ID ..................................................................................................................217
Sample menu ............................................................................................................217
Sample preparation no. ............................................................................................218
Sample stack .............................................................................................................219
Sample type incompatible .......................................................................................219
Sample unit ...............................................................................................................220
Sample unit conflict .................................................................................................220
Select electrode ........................................................................................................220

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Select method ...........................................................................................................220
Select reagent ...........................................................................................................221
Select sequence .......................................................................................................221
Sensitivity ..................................................................................................................221
Sequence/SAC sequence ........................................................................................222
Sequence/Sample stack menu ................................................................................223
Sequence end in Park (Yes/No) ...............................................................................223
Sequence ID ..............................................................................................................223
Serial number ............................................................................................................224
Setup menu ...............................................................................................................224
Simultaneous additions (Yes/No) ...........................................................................224
Skip empty position .................................................................................................225
Smoothing parameter ..............................................................................................226
Software version .......................................................................................................226
Solution menu ...........................................................................................................227
Speed .........................................................................................................................228
Stability ......................................................................................................................228
Standard amount ......................................................................................................228
Standard ID ...............................................................................................................229
Standard menu .........................................................................................................229
Standard unit incompatible .....................................................................................229
Start addition ............................................................................................................230
Start from... ...............................................................................................................230
Start timer ..................................................................................................................231
Static rinses ..............................................................................................................231
Static rinse time ........................................................................................................231
Statistics ....................................................................................................................231
Stirring .......................................................................................................................232
Stoichiometric coefficients ......................................................................................233
Stop after last IP .......................................................................................................233
Stop analysis ............................................................................................................233
Stop point ..................................................................................................................234
Supervisor code .......................................................................................................235
Supervisor mode ......................................................................................................236
T°C minimum/maximum value ................................................................................236
Target titre .................................................................................................................236
Temperature Probe/ Fixed at 25°C/Entered ............................................................237
Temperature sensor ID ............................................................................................237
Test amount ..............................................................................................................237
The sequence is empty ............................................................................................238
Threshold drift ..........................................................................................................238
TIM cell external Gnd ...............................................................................................238

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Time max (result indicator) ......................................................................................239
Title ............................................................................................................................239
Titrant ID ....................................................................................................................239
Titre Enter/Calibrate .................................................................................................239
Tray missing (SAC error) .........................................................................................240
TTL 5 V OUT/TTL 12 V OUT (sockets) .....................................................................240
TTL IN (sockets) .......................................................................................................241
Turntable blocked (SAC error) ................................................................................241
Type of method .........................................................................................................241
User ID (Yes/No) .......................................................................................................242
User list .....................................................................................................................242
User’s rights ..............................................................................................................243
Viewing global variables ..........................................................................................243
Volume .......................................................................................................................244
Working mode ...........................................................................................................244
Wrong buffer .............................................................................................................244
Wrong calibration mode ..........................................................................................244
Wrong reagent unit ...................................................................................................245
Wrong type (SAC error) ...........................................................................................245
Zero pH ......................................................................................................................245
Appendixes ........................................................................................................247
Appendix 1: Preprogrammed methods ..................................................................249
Appendix 2: General information ............................................................................251
Appendix 3: Result calculations .............................................................................255
Appendix 4: Technical specifications ....................................................................263

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TitraLab®TitraLab 980 Reference Manual
Page 15
Introduction
The TitraLab 980 Titration Workstation is dedicated for routine use. It offers two distinct user
levels:
• Supervisor
Dedicated for operators who wish to edit their methods to fit their specific needs. They can
also assign a password to protect the programmed data from eventual changes.
•Routine
Dedicated for operators wishing to use the routine functions to guide them step by step
through the analyses.
The TIM980 can store up to 50 methods, 30 electrodes and 30 reagents. In addition 30 elec-
trodes and 20 titrants have been pre-defined to help you save time setting up your application.
Thanks to the preprogrammed applications, the Titration Manager is ready for use as soon as
it has been installed. Refer to "Appendix 1: Preprogrammed methods", page 249.
The TIM980 also allows you to automatically sequence and repeat measurements - ideal for
direct measurements followed by a titration.
The purpose of the TitraLab 980 Reference Manual is to give detailed information on the Titra-
tion Workstation and the data displayed during operations. The information is listed in alpha-
betical order for quick access and cross-references are listed in italics.
In addition to this handbook, a general User’s Guide (part no. D21T078) is available giving
descriptions and overviews of the workstation menus and operating concepts to guide you
through programming and running of the analyses.

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General Information
Safety Information
Please read this entire manual before unpacking, setting up, or operating this equipment.
Pay attention to all danger and caution statements. Failure to do so could result in serious injury
to the operator or damage to the equipment.
To ensure that the protection provided by this equipment is not impaired, do not use and do not
install this equipment in any manner other than that specified in this manual.
Precautionary Labels
Read all labels and tags attached to the instrument. Personal injury or damage to the
instrument could occur if not observed.
This symbol, if noted on the instrument, references the instruction manual
for operation and/or safety information.
Electrical and electronical equipment marked with this symbol may not be
disposed of in European public disposal systems after 13 August of 2005.
In conformity with European local and national regulations (EU Directive
2002/96/EC), European electrical equipment users must now return old
or end-of life equipment to the Producer for disposal at no charge to the
user.
Note: For equipment supplied or produced by "Radiometer Analytical",
please contact www.hach-lange.com and select your country for instruc-
tions on how to return your equipment for proper disposal.
This symbol, when noted on the product, identifies the location of a fuse
or current limiting device.
Warning !
The TitraLab 980 have been developed to meet the requirements of electrochemical appli-
cations. It is therefore aimed at experienced users who have the knowledge required to op-
erate the instrument and implement the security instructions enclosed. Please remember
that the TitraLab 980 must not, under any circumstances, be used to perform tests on living
beings.
We accept no responsibility for using the TitraLab 980 and its peripheral devices under
conditions that are not specified in this Reference Manual and its associated User’s Guide
(part no. D21T078).

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Starting up
Set up the instrument in a properly ventilated place. The power supply connector on the rear
panel must remain accessible and close to the user (2 m maximum) so that you can quickly
disconnect the cables in case of emergency.
The room temperature must be between 5 and 40°C.
The relative humidity must be between 20 and 80 %.
Connect the mains socket of the TIM980 to the mains supply using the 3-lead power cord
provided.
The TIM980 must be connected to an earthed mains socket for safety reasons.
Efficient grounding is essential for reliable measurements and security.
In the USA or Canada, use a UL listed power cord only.
Switch on the Titration Manager (O/I power switch set to "I")
The Titration Manager displays during a few seconds an identification screen (name and em-
bedded software version) followed by the Main window, see "Main window", page 139.
5V OUT12V OUT IN
E1
E1
E2
E2
TEMP
TEMP
GND
GND
PROPELLER
PROPELLER
5V OUT
V OUT
12
12
V OUT
V OUT
IN
IN
TTL
TTL
90-264
90-264
Vac
ac
47-63
47-63
Hz 115
Hz 115
VA
VA
PC/PRINTER
PC/PRINTER
BALANCE
BALANCE
LOCAL
LOCAL
SAC80/90
SAC80/90
AUX.
AUX.
MADE IN FRANCE
MADE IN FRANCE
RADIOMETER ANALYTICAL SAS
RADIOMETER ANALYTICAL SAS
REF
REF
Pt-Pt
Pt-Pt
SLAVE
SLAVE
LINE FUSE T1A L250V
LINE FUSE T1A L250V
I
O
To a mains supply socket

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Read me!
An important feature of this Titration Manager interface is that it controls the presence of differ-
ent elements necessary to run the defined application for a selected method/sequence, before
the method/sequence is run.
Working in Supervisor mode
A Supervisor has access to all the libraries for creation purposes. When programming the
Titration Manager in “SUPERVISOR” mode, it is recommended to work in stages. These
stages must be carried out in the order described below:
A.To program method
1. Define your electrode(s)
Identify electrodes (including temperature sensors) to be used for the analysis. Electrodes can
be created from the following lists:
Catalogue, see "Catalogue list", page 73.
Other, see "Others list", page 158.
Copy from, see "Copy electrode", page 81.
When creating the electrode, define if electrode calibration is required (or not), if yes specify
the "periodicity" of the calibrations and the pH standards to be used. Refer to "Calibrate pH
electrodes", page 70.
2. Define reagent
Identify reagents to be used for the analysis. Reagents can be created from the following lists:
Catalogue, see "Catalogue list", page 73.
Other, see "Others list", page 158.
Copy from, see "Copy reagent", page 82.
When creating the reagent, define if reagent calibration is required (or titre entered manually),
if yes specify the "periodicity" of the calibrations and the calibration method. Refer to "Reagent
calibration", page 179.
If a sample changer is to be used, define the sample changer in the Configuration menu before
selecting a SAC sequence.
If you are to perform a calibration, make sure that the electrode(s) used for the calibra-
tion are the same as those used in the method.
3. Create new method or Edit a pre-programmed one
Create the measurement or titration method to be used for the analyses. Enter the parameters
required to calculate the results, see "Programming methods", page 27.
When you have finished programming, select the method/sequence or pre-programmed appli-
cation, see "Select method", page 220 or see "Select sequence", page 221.
If your methods are to be performed in a sequence, program the sample stack, see "Sample
stack", page 219.

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4. Check icons
The following icons indicate the exact state of your working system:
Refer to "Electrode icons", page 109.
Refer to "Reagent icons", page 183.
Sunny icons are needed in order to run the selected method.
If Cloudy/Stormy/Question mark icons are displayed in the Reagent/Electrode window
press 1to activate the “Check” command. The Titration Manager will automatically
guide you through the operations required to solve the errors encountered.
B.Running methods
To run a method or sequence, see "Working in Routine mode", page 20.
Sunny icon:
Everything is OK. Run the method or sequence.
Cloudy icon:
Action required within 12 or 24 hours (for a calibration) and 1 week (for
a reagent replacement).
Stormy icon:
Electrode/reagent calibration date elapsed or electrode(s)/reagent(s)
not installed.
Question mark:
Programming error.
Calculator icon:
Reprocessing mode (Working mode = Reprocessing) is set on the
instrument.

TitraLab®TitraLab 980 Reference Manual
Page 20
Working in Routine mode
A.Access methods
A Routine operator has access to all the methods “Select method” and programmed parame-
ters “Display method” for checking purposes
B.Running methods
When working in “ROUTINE” mode, it is necessary to install your titration system according to
the selected method or sequence, prior to running a method or sequence.
1. Select the method or sequence
Refer to "Select method", page 220.
Refer to "Select sequence", page 221.
2. Check icons
Refer to "Check icons", page 19.
Depending on the icons displayed, the Titration Manager will automatically guide you through
the steps necessary to run the analysis, see below:
a. Connect the electrode(s)
Connect/install electrodes and temperature sensors, Refer to "Electrode connection",
page 107.
b. Install regents(s)
Check that the burette is installed, if not, see "Install burette stand", page 133. Now,
install the reagent, see "Install a reagent in a burette stand", page 132.
c. Calibrate electrode(s)
Now, run the calibration, see "Calibrate pH electrodes", page 70.
d. Calibrate reagent(s) or Enter titre
Now, run the calibration or enter the titre.
Refer to "Reagent calibration", page 179.
Refer to "Enter titre", page 114.
e. Run the method or the sequence
Refer to "Running a method", page 210.
Refer to "Running a TIM sequence", page 212.
Refer to "Running a SAC sequence", page 211.