Metrohm 915KF User Manual
915 KF Ti-Touch
Manual
8.915.8005EN / 2014-03-10
Metrohm AG
CH-9100 Herisau
Switzerland
Phone +41 71 353 85 85
Fax +41 71 353 89 01
info@metrohm.com
www.metrohm.com
915 KF Ti-Touch
Program version 5.915.0030
8.915.8005EN / 2014-03-10
Manual
ebe
Teachware
Metrohm AG
CH-9100 Herisau
teachware@metrohm.com
This documentation is protected by copyright. All rights reserved.
Although all the information given in this documentation has been
checked with great care, errors cannot be entirely excluded. Should you
notice any mistakes please send us your comments using the address
given above.
Documentation in additional languages can be found on
http://documents.metrohm.com.
Melody for the BEEP command: excerpt from "En Altfrentsche", with kind
permission of the Laseyer Quartett, Appenzell.
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Table of contents
1 Introduction 1
1.1 Instrument description ......................................................... 1
1.1.1 Titration and measuring modes ................................................ 1
1.1.2 Connectors .............................................................................. 2
1.1.3 Intended use ........................................................................... 2
1.2 About the documentation ................................................... 3
1.2.1 Symbols and conventions ........................................................ 3
2 Safety instructions 5
2.1 General notes on safety ....................................................... 5
2.2 Electrical safety ..................................................................... 5
2.3 Tubing and capillary connections ....................................... 6
2.4 Flammable solvents and chemicals ..................................... 6
Table of contents
2.5 Recycling and disposal ......................................................... 7
3 Overview of the instrument 8
3.1 Front of the instrument ........................................................ 8
3.2 Rear of the instrument ......................................................... 9
4 Installation 10
4.1 Setting up the instrument .................................................. 10
4.1.1 Packaging .............................................................................. 10
4.1.2 Checks .................................................................................. 10
4.1.3 Location ................................................................................ 10
4.2 Connecting the power supply unit .................................... 10
4.3 Connecting MSB devices .................................................... 12
4.3.1 Connecting dosing devices .................................................... 13
4.3.2 Connecting an additional stirrer or titration stand .................. 14
4.3.3 Connecting a Remote Box ..................................................... 14
4.4 Connecting USB devices ..................................................... 15
4.4.1 General ................................................................................. 15
4.4.2 Connecting a USB hub ........................................................... 15
4.4.3 Connecting a printer .............................................................. 15
4.4.4 Connecting a balance ............................................................ 16
4.4.5 Connecting a PC keyboard ..................................................... 17
4.4.6 Connecting a barcode reader ................................................. 17
4.4.7 Connecting a Sample Processor ............................................. 18
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4.5 Setting up the titration vessel ........................................... 19
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Table of contents
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4.6 Connecting sensors ............................................................ 19
4.6.1 General ................................................................................. 19
4.6.2 Connecting a polarizable electrode ........................................ 19
4.6.3 Connecting a temperature sensor .......................................... 20
4.7 Connecting the Ti-Touch to a network ............................ 21
5 Titrations 23
5.1 Water determination according to Karl Fischer (KFT) ..... 23
6 Operation 24
6.1 Switching the instrument on and off ............................... 24
6.2 Fundamentals of operation ............................................... 26
6.2.1 Touch-sensitive screen ........................................................... 26
6.2.2 Display elements and controls ................................................ 26
6.2.3 Status display ........................................................................ 27
6.2.4 Entering text and numbers ..................................................... 28
7 System settings 31
7.1 General system settings ..................................................... 31
7.1.1 Selecting the dialog language ................................................ 31
7.1.2 Setting the date, time and local time ..................................... 32
7.2 System-specific dialog options .......................................... 33
7.3 User administration ............................................................ 37
7.3.1 Editing the user configuration ................................................ 38
7.3.2 Creating an identification profile ............................................ 40
7.3.3 Defining login options ........................................................... 41
7.3.4 Password options .................................................................. 42
7.4 Measured value display ..................................................... 45
7.5 Acoustic signals .................................................................. 45
8 Titrants 46
8.1 Adding a new titrant .......................................................... 47
8.2 Editing titrant data ............................................................. 48
8.3 Monitoring the working life .............................................. 50
8.4 Dosing unit .......................................................................... 51
8.4.1 Parameters for preparing (PREP) and emptying (EMPTY) ......... 52
8.4.2 Tubing parameters ................................................................. 53
8.4.3 Shift direction of the valve disk .............................................. 56
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IV
8.5 Exchange unit ..................................................................... 57
8.5.1 Parameters for the preparation (PREP) .................................... 58
8.5.2 Tubing parameters ................................................................. 59
8.6 GLP test for exchange unit and dosing unit .................... 61
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9 Reagents 66
10 Sensors 70
11 Device manager 74
Table of contents
8.7 Titer determination options and data .............................. 63
8.7.1 Titer validity ........................................................................... 63
8.7.2 Properties of the previous titer determinations ....................... 64
9.1 Editing reagent data .......................................................... 66
9.2 Reagent monitoring ........................................................... 67
10.1 Adding a new sensor ......................................................... 71
10.2 Editing the sensor data ...................................................... 71
10.3 Monitoring the working life .............................................. 72
11.1 Adding a new device .......................................................... 75
11.2 Configuring the instrument ............................................... 75
11.3 Ti-Touch ............................................................................... 76
11.3.1 E-mail .................................................................................... 77
11.3.2 PC/LIMS report ...................................................................... 78
11.3.3 Shared memory ..................................................................... 79
11.3.4 TCP/IP settings ....................................................................... 81
11.4 Metrohm control devices ................................................... 82
11.4.1 Properties – Measuring input ................................................. 83
11.4.2 Properties – MSB connector ................................................... 84
11.4.3 Properties – Peripheral devices ............................................... 85
11.5 USB Sample Processor ....................................................... 85
11.5.1 Properties – Sample Processor ............................................... 86
11.5.2 Properties – Tower ................................................................ 87
11.5.3 Properties – Swing Head ........................................................ 89
11.6 Sample racks ....................................................................... 93
11.6.1 Editing rack data .................................................................... 95
11.6.2 Rack adjustment .................................................................. 100
11.7 Printer ................................................................................ 101
11.7.1 PDF settings ......................................................................... 103
11.7.2 Network printer ................................................................... 104
11.7.3 More options ....................................................................... 105
11.8 Balance .............................................................................. 106
11.9 USB/RS-232 adapter ......................................................... 107
11.10 PC keyboard ...................................................................... 109
11.11 Barcode reader ................................................................. 110
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V
Table of contents
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12 File manager 113
12.1 Managing files .................................................................. 113
12.1.1 Copying a file ...................................................................... 115
12.1.2 Renaming a file ................................................................... 115
12.1.3 File properties ...................................................................... 116
12.2 External storage medium ................................................ 117
12.3 Creating backups / Restoring data ................................. 119
12.3.1 Restoring data ..................................................................... 119
13 GLP manager 121
13.1 Automatic system test ..................................................... 122
13.2 Test tools .......................................................................... 122
13.3 GLP tests for measurement and titration ...................... 123
13.3.1 Parameter description .......................................................... 124
13.4 System validation ............................................................. 127
13.4.1 Parameter description .......................................................... 128
13.5 System monitoring ........................................................... 131
13.5.1 Service interval .................................................................... 131
13.5.2 Backup interval .................................................................... 132
14 Common variables 133
14.1 Editing common variables ............................................... 134
14.2 Properties of common variables ..................................... 135
14.3 Monitoring validity ........................................................... 136
14.4 Assigning a result automatically to a common varia-
ble ...................................................................................... 137
15 Templates 139
15.1 Sample data ...................................................................... 139
15.1.1 Sample identification list ...................................................... 140
15.1.2 Sample assignment table ..................................................... 141
15.2 Custom result templates .................................................. 143
15.2.1 Editing result templates ....................................................... 144
15.3 Input lines ......................................................................... 147
15.3.1 Editing the input signal ........................................................ 148
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VI
15.4 Output lines ...................................................................... 149
15.4.1 Editing the output signal ...................................................... 151
15.5 Report header ................................................................... 152
16 Methods 154
16.1 Creating a new method ................................................... 154
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17 Control 170
18 Favorites 174
19 Sample data 178
Table of contents
16.2 Saving a method ............................................................... 155
16.3 Loading a method ............................................................ 156
16.4 Editing a method .............................................................. 157
16.4.1 Inserting a command ........................................................... 158
16.5 Method options ................................................................ 159
16.5.1 Start options ........................................................................ 160
16.5.2 Stop options ........................................................................ 162
16.5.3 Sample data ........................................................................ 163
16.5.4 Method properties ............................................................... 167
16.5.5 Note .................................................................................... 167
16.5.6 Saving a determination automatically ................................... 167
18.1 Creating favorites ............................................................. 175
18.1.1 Editing favorites ................................................................... 175
19.1 Entering sample data in the main dialog ....................... 178
19.2 Requesting sample data at the start of the determina-
tion .................................................................................... 179
20 Sample table 181
20.1 General .............................................................................. 181
20.2 Edit the sample data ........................................................ 184
20.3 Properties .......................................................................... 186
21 Determination run 189
21.1 Carrying out a single determination ............................... 189
21.2 Performing a sample series ............................................. 190
21.3 Canceling determinations manually ............................... 191
22 Live modifications 192
22.1 Editing the sample data of the running determina-
tion .................................................................................... 192
22.2 Editing the sample table while a determination is run-
ning .................................................................................... 193
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22.3 Live display ....................................................................... 194
22.4 Live parameters ................................................................ 196
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VII
Table of contents
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23 Results and more determination data 198
23.1 More determination data ................................................ 199
23.1.1 Details ................................................................................. 200
23.2 Messages ........................................................................... 202
23.3 Local common variables .................................................. 202
23.4 Determination properties ................................................ 203
23.5 Loading a determination ................................................. 204
23.5.1 Determination list ................................................................ 205
23.6 Saving a determination .................................................... 210
23.7 Curves ................................................................................ 210
23.8 Recalculation and reevaluation ....................................... 212
24 Statistics 214
24.1 Displaying details for a result .......................................... 216
24.2 Deleting statistical data ................................................... 217
24.3 Adding a determination to a determination series ....... 217
25 Result table 219
25.1 Properties .......................................................................... 220
25.2 Saving the result table ..................................................... 224
25.3 Loading the result table ................................................... 224
26 Printing 225
26.1 General report options ..................................................... 227
26.2 Settings of the individual reports ................................... 228
26.3 List of all printable reports .............................................. 229
27 Manual control 233
27.1 Opening and closing the manual control ....................... 234
27.2 Measuring ......................................................................... 235
27.2.1 Parameter description .......................................................... 236
27.3 Dosing ............................................................................... 237
27.3.1 Continuous dosing .............................................................. 239
27.3.2 Dosing fixed volumes ........................................................... 241
27.3.3 Preparing ............................................................................. 244
27.3.4 Emptying ............................................................................. 245
27.3.5 Filling .................................................................................. 245
27.3.6 Replacing reagent ................................................................ 246
VIII
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27.4 Stirring ............................................................................... 246
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28 Parameters 259
Table of contents
27.5 Remote .............................................................................. 248
27.6 USB Sample Processor ..................................................... 249
27.6.1 Moving the lift ..................................................................... 251
27.6.2 Moving to a rack position .................................................... 253
27.6.3 External positions ................................................................ 254
28.1 Volumetric Karl Fischer titrations (KFT) ......................... 259
28.1.1 Start conditions ................................................................... 259
28.1.2 Control parameters .............................................................. 261
28.1.3 Titration parameters ............................................................ 264
28.1.4 Stop conditions ................................................................... 265
28.1.5 Conditioning ....................................................................... 266
28.1.6 Cell ...................................................................................... 268
28.1.7 Control device ..................................................................... 268
28.1.8 Sensor ................................................................................. 269
28.1.9 Dosing device ...................................................................... 270
28.1.10 Stirrer .................................................................................. 271
28.2 Measurements (MEAS) ..................................................... 272
28.2.1 Measuring parameters ......................................................... 272
28.2.2 Control device ..................................................................... 274
28.2.3 Sensor ................................................................................. 274
28.2.4 Stirrer .................................................................................. 276
28.3 Evaluations (EVAL) ........................................................... 277
28.3.1 Fixed endpoint evaluation (EVAL FIX-EP) .............................. 277
28.3.2 Minimum and maximum evaluation (EVAL MIN/MAX) .......... 279
28.3.3 Break point evaluation (EVAL BREAK) ................................... 280
28.3.4 Rate evaluation (EVAL RATE) ................................................ 282
28.4 Calculations ....................................................................... 283
28.4.1 Calculations (CALC) ............................................................. 283
28.4.2 Calculations (CALC LIVE) ...................................................... 291
28.4.3 Formula editor ..................................................................... 293
28.5 Reports (REPORT) ............................................................. 299
28.5.1 General report options ......................................................... 299
28.5.2 Settings of the individual reports .......................................... 300
28.5.3 List of reports ...................................................................... 301
28.6 Dosing and Liquid Handling ............................................ 304
28.6.1 Preparing an exchange or dosing unit (PREP) ........................ 304
28.6.2 Emptying a dosing unit (EMPTY) .......................................... 305
28.6.3 Dosing a specified volume (ADD) ......................................... 306
28.6.4 Liquid Handling (LQH) .......................................................... 311
28.7 Communication ................................................................ 314
28.7.1 Scanning remote lines (SCAN) .............................................. 314
28.7.2 Setting remote lines (CTRL) .................................................. 316
28.7.3 Scanning the RS-232 interface (SCAN RS) ............................. 317
28.7.4 Defining RS-232 commands (CONTROL RS) .......................... 318
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IX
Table of contents
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28.8 Automation ....................................................................... 319
28.8.1 Rotating sample rack (MOVE) .............................................. 319
28.8.2 Moving the lift (LIFT) ............................................................ 321
28.8.3 Controlling pumps (PUMP) ................................................... 322
28.8.4 Resetting the rack (RACK) .................................................... 323
28.8.5 Defining the sample variable (SAMPLE) ................................ 323
28.8.6 Creating a subsequence (SUBSEQ) ....................................... 324
28.9 Miscellaneous commands ................................................ 327
28.9.1 Controlling a stirrer (STIR) .................................................... 327
28.9.2 Pausing the method run (WAIT) ........................................... 328
28.9.3 Scan data (REQUEST) ........................................................... 329
28.9.4 Defining an acoustic signal (BEEP) ........................................ 330
28.9.5 Canceling the method run (END) ......................................... 330
29 Operation and maintenance 331
29.1 System initialization ......................................................... 331
29.2 Quality management and qualification with Metrohm 332
30 Troubleshooting 333
30.1 Editing methods ............................................................... 333
30.2 Sample table ..................................................................... 333
30.3 Results/Statistics ............................................................... 333
30.4 Printing .............................................................................. 334
30.5 Manual control ................................................................. 334
30.6 Titration stand with pump .............................................. 335
30.7 Karl Fischer titration ........................................................ 335
31 Appendix 338
31.1 Dosing unit ........................................................................ 338
31.1.1 Maximum dosing and filling rate .......................................... 338
31.1.2 Default parameters for preparing (PREP) and emptying
(EMPTY) ............................................................................... 338
31.2 Exchange unit ................................................................... 339
31.2.1 Maximum dosing and filling rate .......................................... 339
31.2.2 Default parameters for preparing (PREP) .............................. 339
31.3 Stirring rate ....................................................................... 339
31.4 Balance .............................................................................. 340
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X
31.5 Remote interface .............................................................. 341
31.5.1 Pin assignment of the remote interface ................................ 341
31.6 Result variables as parameter setting ............................ 344
31.7 Diagnosis ........................................................................... 345
31.7.1 LCD test .............................................................................. 346
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32 Technical specifications 355
Table of contents
31.7.2 Formatting an external storage medium ............................... 347
31.7.3 Removing an external storage medium ................................ 347
31.7.4 Adjusting the touch screen .................................................. 347
31.7.5 Testing the touch screen ...................................................... 348
31.7.6 Software update (loading program versions and language
files) .................................................................................... 349
31.7.7 Service ................................................................................. 352
31.8 Arithmetic algorithms in the Ti-Touch ........................... 353
32.1 Touch screen ..................................................................... 355
32.2 Measuring inputs .............................................................. 356
32.2.1 Polarizer .............................................................................. 356
32.2.2 Temperature ........................................................................ 356
32.3 Internal stirrer ................................................................... 357
32.4 Pump ................................................................................. 357
32.5 Interfaces .......................................................................... 357
32.6 Power supply .................................................................... 358
32.7 Safety specifications ........................................................ 358
32.8 Electromagnetic compatibility (EMC) ............................. 358
32.9 Ambient temperature ...................................................... 359
32.10 Reference conditions ........................................................ 359
32.11 Dimensions ........................................................................ 359
33 Warranty (guarantee) 360
34 Accessories 362
Index 364
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XI
Table of figures
Table of figures
Figure 1 Front 915 KF Ti-Touch ....................................................................... 8
Figure 2 Rear 915 KF Ti-Touch ........................................................................ 9
Figure 3 Connecting the power supply unit ................................................... 11
Figure 4 MSB connections ............................................................................ 12
Figure 5 MSB connector ............................................................................... 13
Figure 6 Connecting a polarizable electrode .................................................. 20
Figure 7 Connecting a temperature sensor .................................................... 21
Figure 8 Connecting the Ti-Touch to a network ............................................ 22
Figure 9 Reagent dosing for KFT ................................................................... 23
Figure 10 Dosing unit – port assignment ......................................................... 56
Figure 11 Exchange unit – tubing connections ................................................ 61
Figure 12 Live display "Preparing the dosing unit" ......................................... 244
Figure 13 Live display "Preparing the exchange unit" ..................................... 245
Figure 14 Evaluation of minimum and maximum ........................................... 279
Figure 15 Evaluation of a break point ............................................................ 280
Figure 16 Rotational speed depending on stirring rate .................................. 340
Figure 17 Connectors of the Remote Box ...................................................... 341
Figure 18 Pin assignment of remote socket and plug .................................... 341
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XII
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915 KF Ti-Touch
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1 Introduction
1.1 Instrument description
The 915 KF Ti-Touch is a compact titration system for volumetric Karl
Fischer titration. This newly designed titrator combines in a single device
the touch-sensitive color monitor for convenient and efficient operation,
the titration unit, the magnetic stirrer and the integrated membrane pump
for adding and aspirating solvents. The upper side of the housing offers
space for the titrant and the titration cell. The titrator is standard-equipped for operation with an external dosing drive of the 800 Dosino type
with a dosing unit. You can however also use a 805 Dosimat with an
exchange unit. Thanks to its compact construction, you can use the
915 KF Ti-Touch in a small space as a stand-alone titrator.
You manage titrants, sensors, methods, etc. conveniently in the internal
memory of the 915 KF Ti-Touch. You can also save your files externally
through the USB connector, e.g. on a USB flash drive. On this storage
medium you can not only store your methods and determinations, but
also create a backup together with all of the data and settings of your system.
1 Introduction
The integrated Ethernet connection is available to you should you wish to
connect your 915 KF Ti-Touch to a network. The network connection
offers you the following advantages:
￭ Saving data to a PC within the network
￭ Printing reports on a network printer
￭ Sending displayed messages as e-mails
1.1.1 Titration and measuring modes
The 915 KF Ti-Touch supports the following titration and measuring
modes.
￭ KFT
Volumetric water content determination according to Karl Fischer.
Measuring modes:
– Ipol (voltametric measurement with selectable polarization cur-
rent)
– Upol (amperometric measurement with selectable polarization
voltage)
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1
1.1 Instrument description
￭ MEAS
1.1.2 Connectors
The 915 KF Ti-Touch is equipped with the following connectors:
￭ Mains connection
￭ Two MSB connectors (Metrohm Serial Bus)
￭ USB connector
￭ Sensor connectors
￭ Ethernet connector
￭ Two connection nipples
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Measuring modes:
– Ipol (voltametric measurement with selectable polarization cur-
rent)
– Upol (amperometric measurement with selectable polarization
voltage)
– T (temperature measurement)
For connecting to the mains supply with the aid of the power supply
unit provided.
For connecting dosing devices, stirrers or a Remote Box.
For connecting peripheral devices (printer, PC keyboard, etc.), a USB
Sample Processor, a USB flash drive or a USB hub.
One connection each for:
– polarizable electrodes
– temperature sensors (Pt1000 or NTC)
For connecting the Ti-Touch to a network.
For connecting tubing for aspirating solvent and extracting the contents of the titration cell.
1.1.3 Intended use
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2
The 915 KF Ti-Touch is designed for usage as a titrator in analytical laboratories. Its main application field is volumetric Karl Fischer titration.
This instrument is suitable for processing chemicals and flammable samples. The usage of the 915 KF Ti-Touch therefore requires that the user
has basic knowledge and experience in the handling of toxic and caustic
substances. Knowledge with respect to the application of the fire prevention measures prescribed for laboratories is also mandatory.
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1.2 About the documentation
CAUTION
Please read through this documentation carefully before putting the
instrument into operation. The documentation contains information
and warnings which the user must follow in order to ensure safe operation of the instrument.
1.2.1 Symbols and conventions
The following symbols and formatting may appear in this documentation:
Cross-reference to figure legend
The first number refers to the figure number, the second to the instrument part in the figure.
1 Introduction
Instruction step
Carry out these steps in the sequence shown.
Method Dialog text, parameter in the software
File ▶ New Menu or menu item
[Next] Button or key
WARNING
This symbol draws attention to a possible life-threatening hazard or risk of injury.
WARNING
This symbol draws attention to a possible hazard due
to electrical current.
WARNING
This symbol draws attention to a possible hazard due
to heat or hot instrument parts.
WARNING
This symbol draws attention to a possible biological
hazard.
915 KF Ti-Touch
CAUTION
This symbol draws attention to possible damage to
instruments or instrument parts.
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3
1.2 About the documentation
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NOTE
This symbol highlights additional information and
tips.
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4
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2 Safety instructions
2.1 General notes on safety
WARNING
This instrument may only be operated in accordance with the specifications in this documentation.
This instrument has left the factory in a flawless state in terms of technical
safety. To maintain this state and ensure non-hazardous operation of the
instrument, the following instructions must be observed carefully.
2.2 Electrical safety
2 Safety instructions
The electrical safety when working with the instrument is ensured as part
of the international standard IEC 61010.
WARNING
Only personnel qualified by Metrohm are authorized to carry out service
work on electronic components.
WARNING
Never open the housing of the instrument. The instrument could be
damaged by this. There is also a risk of serious injury if live components
are touched.
There are no parts inside the housing which can be serviced or replaced
by the user.
Mains voltage
WARNING
915 KF Ti-Touch
An incorrect mains voltage can damage the instrument.
Only operate this instrument with a mains voltage specified for it (see
rear panel of the instrument).
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5
2.3 Tubing and capillary connections
Protection against electrostatic charges
WARNING
Electronic components are sensitive to electrostatic charges and can be
destroyed by discharges.
Do not fail to pull the mains cable out of the mains connection socket
before you set up or disconnect electrical plug connections at the rear
of the instrument.
2.3 Tubing and capillary connections
CAUTION
Leaks in tubing and capillary connections are a safety risk. Tighten all
connections well by hand. Avoid applying excessive force to tubing
connections. Damaged tubing ends lead to leakage. Appropriate tools
can be used to loosen connections.
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Check the connections regularly for leakage. If the instrument is used
mainly in unattended operation, then weekly inspections are mandatory.
2.4 Flammable solvents and chemicals
WARNING
All relevant safety measures are to be observed when working with
flammable solvents and chemicals.
￭ Set up the instrument in a well-ventilated location (e.g. fume cup-
board).
￭ Keep all sources of flame far from the workplace.
￭ Clean up spilled liquids and solids immediately.
￭ Follow the safety instructions of the chemical manufacturer.
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6
915 KF Ti-Touch
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2.5 Recycling and disposal
This product is covered by European Directive 2002/96/EC, WEEE – Waste
from Electrical and Electronic Equipment.
The correct disposal of your old equipment will help to prevent negative
effects on the environment and public health.
More details about the disposal of your old equipment can be obtained
from your local authorities, from waste disposal companies or from your
local dealer.
2 Safety instructions
915 KF Ti-Touch
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7
3.1 Front of the instrument
12
13
11
2
3
4
5
1
6
7
8 9 10
3 Overview of the instrument
3.1 Front of the instrument
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Figure 1 Front 915 KF Ti-Touch
Display
1
Touch-sensitive screen.
Fixed key [Back]
3
Saves the entry and opens the next-higher
dialog page.
Fixed key [Print]
5
Opens the print dialog.
Key
7
Pressing the key aspirates air out of the aspiration bottle. The vacuum in the aspiration
bottle suctions the liquid out of the KF titration cell and into the aspiration bottle.
Fixed key [STOP]
9
Cancels the running determination.
Fixed key [Home]
2
Opens the main dialog.
Fixed key [Help]
4
Opens the online help for the dialog displayed.
Key
6
Pressing the key pumps air into the solvent
bottle. The overpressure in the solvent bottle
pushes solvent into the KF titration cell.
Fixed key [Manual]
8
Opens the manual control.
Fixed key [START]
10
Starts a determination.
915 KF Ti-Touch
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8
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8
9
3
5
6
10
3 Overview of the instrument
Bottle holder
11
With holding clips, for reagent bottle.
Titration stand
13
With built-in magnetic stirrer and membrane
pump for placement of the titration cell.
3.2 Rear of the instrument
Support rod (lower part)
12
For mounting the support rod (upper part).
Figure 2 Rear 915 KF Ti-Touch
USB connector (type A)
1
For connecting a printer, USB flash drive,
USB hub, USB Sample Processor etc.
Temperature sensor connector (Temp.)
3
For connecting temperature sensors (Pt1000
or NTC). Two B sockets, 2 mm.
MSB connector (MSB 1 and MSB 2)
5
Metrohm Serial Bus. For connecting external
dosing devices, stirrers or a Remote Box.
Mini DIN, 8-pin.
Mains switch
7
Switch the instrument on/off.
Connection nipple for PVC tubing
9
For aspirating solvent.
Ethernet connector (RJ-45)
2
For connecting to a network.
Electrode connector (Pol.)
4
For connecting polarizable electrodes, e.g.
double Pt electrodes. Socket F.
Mains connection socket (Power)
6
For connecting the external power supply
unit.
Connection nipple for PVC tubing
8
For aspiration of the contents of the titration
cell.
Type plate
10
Contains the serial number.
915 KF Ti-Touch
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9
4.1 Setting up the instrument
4 Installation
4.1 Setting up the instrument
4.1.1 Packaging
The instrument is supplied in highly protective special packaging together
with the separately packed accessories. Keep this packaging, as only this
ensures safe transportation of the instrument.
4.1.2 Checks
Immediately after receipt, check whether the shipment has arrived complete and without damage by comparing it with the delivery note.
4.1.3 Location
The instrument has been developed for operation indoors and may not be
used in explosive environments.
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Place the instrument in a location of the laboratory which is suitable for
operation, free of vibrations, protected from corrosive atmosphere, and
contamination by chemicals.
The instrument should be protected against excessive temperature fluctuations and direct sunlight.
4.2 Connecting the power supply unit
The 915 KF Ti-Touch has an external power supply unit for a 24 V power
supply (DC). This is connected to the mains connection of the Ti-Touch.
WARNING
An incorrect mains voltage can damage the device.
Operate the device only with the mains voltage specified for it. Use the
supplied power supply unit exclusively.
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10
915 KF Ti-Touch
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Figure 3 Connecting the power supply unit
Proceed as follows:
Connect the plug of the external power supply unit with the mains
1
connection of the Ti-Touch (see Figure 3, page 11).
4 Installation
NOTE
The plug of the power supply unit is protected against accidental
disconnection of the cable by means of a pull-out protection feature. If you wish to pull out the plug, you will first need to pull
back the outer plug sleeve marked with arrows.
Connect the mains cable with the external power supply unit of the
2
Ti-Touch and with the mains supply.
CAUTION
Switch off the Ti-Touch correctly by pressing the mains switch before
you disconnect the electricity supply. If this is not done, then there is a
danger of data loss.
915 KF Ti-Touch
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11
4.3 Connecting MSB devices
MSB
Stirrer / Ti Stand
Dosimat / Dosino
Dosimat
Remote Box
Dosino
Ti Stand / Stirrer
4.3 Connecting MSB devices
In order to connect MSB devices, e.g. dosing device or Remote-Box, the
Ti-Touch has two connectors at what is referred to as the Metrohm Serial
Bus (MSB). Various peripheral devices can be connected in sequence
(Daisy Chain) at a single MSB connector (8-pin Mini DIN socket) and be
controlled simultaneously by the Ti-Touch. In addition to the connection
cable, stirrers and the Remote Box are each equipped with their own MSB
socket for this purpose.
The following figure provides an overview of the devices that can be connected to an MSB socket, along with a number of different cabling variations.
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12
Figure 4
MSB connections
NOTE
When connecting MSB devices together, the following must be
observed:
￭ Only one device of the same type can be used at a single MSB con-
nector at one time.
￭ When making the connection, take care to ensure that the flat part
of the MSB plug marked with arrows is pointing in the direction of
the marking on the MSB connector (see Figure 5, page 13).
915 KF Ti-Touch
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4 Installation
Figure 5 MSB connector
CAUTION
Switch off the Ti-Touch before you plug in MSB devices. When it is
switched on, the Ti-Touch automatically recognizes which device is connected to which MSB connector. The connected MSB devices are
entered automatically in the device manager.
MSB connections can be extended with the 6.2151.010 cable. The maximum connection length permitted is 6 m.
4.3.1 Connecting dosing devices
You can connect two dosing devices to the Ti-Touch.
The types of dosing devices that are supported are:
￭ 800 Dosino
￭ 805 Dosimat
Proceed as follows:
Switch off the Ti-Touch.
1
Connect the dosing device connection cable to an MSB connector
2
(2-5) on the rear side of the Ti-Touch.
Switch on the Ti-Touch.
3
915 KF Ti-Touch
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13
4.3 Connecting MSB devices
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4.3.2 Connecting an additional stirrer or titration stand
In addition to the built-in magnetic stirrer, you can also use the magnetic
stirrers 801 Stirrer, 803 Ti Stand or the 804 Ti Stand with the propeller stirrer 802 Stirrer.
Proceed as follows:
Switch off the Ti-Touch.
1
Connect the connection cable of the magnetic stirrer or of the titra-
2
tion stand to MSB 2 (2-5) on the rear of the Ti-Touch.
Connect the propeller stirrer, if desired, to the stirrer connector of
3
the titration stand.
Switch on the Ti-Touch.
4
4.3.3 Connecting a Remote Box
Instruments that are controlled via remote lines and/or which send control
signals via remote lines can be connected using the 6.2148.010 Remote
Box. In addition to Metrohm, other instrument manufacturers also use
similar connectors that make it possible to connect different instruments
together. These interfaces are also frequently given the designations "TTL
Logic", "I/O Control" or "Relay Control" and generally have a signal level
of 5 volts.
Control signals are understood to be electrical line statuses or brief
(> 200 ms) electrical pulses which display the operational state of an
instrument or which trigger or report an event. Sequences on a variety of
instruments can thus be coordinated in a single complex automation system. No exchange of data is possible, however.
Proceed as follows:
Switch off the Ti-Touch.
1
Connect the Remote Box connection cable to an MSB connector
2
(2-5) on the rear side of the Ti-Touch.
Switch on the Ti-Touch.
3
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14
You can connect an 885 Compact Oven SC. The Remote Box also has an
MSB socket at which a further MSB device, e.g. a dosing device, can be
connected.
915 KF Ti-Touch
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You will find precise information concerning the pin assignment of the
interface on the Remote Box in Appendix (see Chapter 31.5, page 341).
4.4 Connecting USB devices
4.4.1 General
The 915 KF Ti-Touch has a USB connector (Type A socket) for peripheral
devices with USB interface and for USB Sample Processors. If you wish to
connect more than one device to the USB, you can also use an additional
commercially available USB hub.
NOTE
We recommend that the Ti-Touch be switched off while you set up or
disconnect connections between the devices.
4.4.2 Connecting a USB hub
Use a USB hub with its own power supply.
4 Installation
Connect the USB hub as follows:
With the help of the 6.2151.030 cable (length 0.6 m) or the
1
6.2151.020 cable (length 1.8 m), connect the USB connector of the
Ti-Touch (Type A) with the USB connector of the hub (Type B, see
manual for the USB hub).
The USB hub is recognized automatically.
4.4.3 Connecting a printer
Printers that are connected to the 915 KF Ti-Touch must meet the following requirements:
￭ Printer languages: HP-PCL, HP-PCL-GUI, Canon BJL Commands or
Epson ESC P/2
￭ Paper format: A4 or Letter, single-sheet feed.
Connect the printer as follows:
With the aid of the 6.2151.020 cable, connect the USB connector of
1
the Ti-Touch (type A) with the USB connector of the printer (type B,
see manual for the printer).
Configure the printer in the device manager of the Ti-Touch (see
2
Chapter 11.7, page 101).
915 KF Ti-Touch
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15
4.4 Connecting USB devices
4.4.4 Connecting a balance
If you wish to connect a balance to the Ti-Touch, you will require a USB/
RS-232 adapter (6.2148.050).
The following table offers an overview of the balances that you can use
together with the Ti-Touch and of which cable you will need for connection to the RS-232 interface:
Balance Cable
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AND ER, FR, FX with RS-232 inter-
6.2125.020 + 6.2125.010
face (OP-03)
Mettler AB, AG, PR (LC-RS9) In the scope of delivery for the
balance
Mettler AM, PM, PE with interface
option 016
or
Mettler AJ, PJ with interface
option 018
6.2146.020 + 6.2125.010
also from Mettler: ME 47473
adapter and either ME 42500
hand switch or ME 46278 foot
switch
Mettler AT 6.2146.020 + 6.2125.010
also from Mettler: ME 42500
hand switch or ME 46278 foot
switch
Mettler AX, MX, UMX, PG, AB-S,
6.2134.120
PB-S, XP, XS
Mettler AE with interface option
011 or 012
6.2125.020 + 6.2125.010
also from Mettler: ME 42500
hand switch or ME 46278 foot
switch
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16
Ohaus Voyager, Explorer, Analyti-
Cable AS017-09 from Ohaus
cal Plus
Precisa balances with RS-232-C
6.2125.080 + 6.2125.010
interface
Sartorius MP8, MC, LA, Genius,
6.2134.060
Cubis
Shimadzu BX, BW 6.2125.080 + 6.2125.010
915 KF Ti-Touch
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