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MeterLab ION 450
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Radiometer MeterLab ION 450 Reference manual

ION450
Ion Analyser
D21M079
Reference Manual
D21M079 • Printed by Radiometer Analytical SAS • 2005-02B
MeterLab
®
ION450 Reference Manual

Contents

Contents..................................................................................................................3
Introduction ..........................................................................................................11
Read me! ...............................................................................................................12
Practical examples ..............................................................................................15
Programming electrodes ...........................................................................................17
Programming methods ..............................................................................................23
Programming sequences ...........................................................................................27
Programming tips ................................................................................................29
Glossary ...............................................................................................................31
Accept a result ............................................................................................................33
Acceptance criteria ....................................................................................................33
Acceptation .................................................................................................................34
Access routine mode .................................................................................................34
Active electrode unknown in "method ID" ...............................................................34
Add method menu ......................................................................................................35
Address .......................................................................................................................35
Alarm: Locked .............................................................................................................35
Alarm: Unlocked .........................................................................................................35
Alphanumeric characters ..........................................................................................36
Applied signal (AC/DC) ..............................................................................................36
Archives data lost - Cal. Data lost - Methods kept ..................................................36
Archiving .....................................................................................................................37
Assistant function ......................................................................................................37
Autochaining ...............................................................................................................38
Auxiliary input .............................................................................................................39
Auxiliary output ..........................................................................................................40
Aux. on for ...................................................................................................................40
Bar code reader connection ......................................................................................40
Beaker menu ...............................................................................................................41
Beakers: [F;L] .............................................................................................................41
Beep .............................................................................................................................42
C0 (Detection limit) .....................................................................................................42
Cable capacity ............................................................................................................43
Cable resistance .........................................................................................................44
Calibrate conductivity cells .......................................................................................45
Calibrate ISE electrodes ............................................................................................45
MeterLab
Calibrate pH electrodes .............................................................................................45
Calibration = Manual ..................................................................................................46
Calibration curve of an ISE electrode .......................................................................47
Calibration delay elapsed ..........................................................................................47
Calibration parameters ..............................................................................................47
Calibration request/Calibration .................................................................................47
Calibration request = Fixed .......................................................................................48
Calibration request = Free .........................................................................................49
Calibration stack .........................................................................................................49
Calibration results parameters ..................................................................................49
Catalogue list ..............................................................................................................49
Cell constant (parameter) ..........................................................................................50
Cell constant (definition) ...........................................................................................51
Cell grounding ............................................................................................................51
Cell window .................................................................................................................52
Change electrode name .............................................................................................52
Change method name ................................................................................................52
Change sequence name ............................................................................................52
Check command .........................................................................................................53
Check electrodes ........................................................................................................53
Concentration x ..........................................................................................................54
Concentration unit ......................................................................................................54
Conductivity cell .........................................................................................................54
Conductivity cell calibration ......................................................................................54
Conductivity measurement method .........................................................................55
Configuration menu ...................................................................................................56
Connections ................................................................................................................56
Connect electrodes ....................................................................................................56
Contrast .......................................................................................................................56
Controlled by TTL IN ..................................................................................................56
Copy electrode ............................................................................................................57
Copy method ...............................................................................................................58
Coupled method .........................................................................................................58
Create electrode .........................................................................................................59
Create method ............................................................................................................60
Current value ..............................................................................................................60
Curve ...........................................................................................................................60
Curves data lost - Cal. Data kept - Methods kept ....................................................60
Customise ...................................................................................................................61
Date entry ....................................................................................................................61
Default parameters .....................................................................................................61
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Delete electrode ..........................................................................................................62
Delete method .............................................................................................................62
Demand: Locked .........................................................................................................62
Demand: Unlocked .....................................................................................................63
Detailed ........................................................................................................................64
Detection limit (C0) .....................................................................................................64
Direct ISE measurement method - definition ...........................................................65
Direct ISE measurement method - notes .................................................................66
Direct ISE measurement method - programmation .................................................66
Direct measurements .................................................................................................66
Disconnect electrodes ...............................................................................................67
Display contrast ..........................................................................................................67
Display measurement ................................................................................................68
E0 standard potential .................................................................................................68
EC socket ....................................................................................................................69
EC/pH measurement method - definition .................................................................70
EC/pH measurement method - programmation .......................................................71
Edit electrode menu ...................................................................................................72
Edit method menu ......................................................................................................73
Edit sequence menu ...................................................................................................74
Electrode calibration (Fixed mode, conductivity cell) .............................................75
Electrode calibration (Free mode, conductivity cell) ..............................................76
Electrode calibration (ISE) .........................................................................................77
Electrode calibration (Fixed mode, pH electrode) ...................................................78
Electrode calibration (Free mode, pH electrode) .....................................................79
Electrode calibration (sequence) ..............................................................................80
Electrode calibration not required ............................................................................80
Electrode calibration parameters ..............................................................................81
Electrode calibration stack ........................................................................................82
Electrode connection .................................................................................................83
Electrode connection - Important .............................................................................84
Electrode function ......................................................................................................84
Electrode icons ...........................................................................................................85
Electrode ID .................................................................................................................85
Electrode library .........................................................................................................86
Electrode not calibrated .............................................................................................86
Electrode system ........................................................................................................86
Electrode type .............................................................................................................87
Electrode window .......................................................................................................88
Empty sequence .........................................................................................................88
Error - Error messages ..............................................................................................89
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Fixed (calibration mode) ............................................................................................89
Format (printouts) ......................................................................................................90
Free beakers ...............................................................................................................90
Free (calibration mode) ..............................................................................................90
Function ......................................................................................................................91
Fuses ...........................................................................................................................91
GLP-Archives menu ...................................................................................................92
Ground conflict ...........................................................................................................92
Help ..............................................................................................................................92
High (result indicator) ................................................................................................92
Icons ............................................................................................................................93
ID ..................................................................................................................................93
Input address conflict ................................................................................................93
Insert method menu ...................................................................................................94
Insufficient number of beakers .................................................................................94
ION cell external Gnd .................................................................................................94
ISE calibration results parameters ...........................................................................94
ISE calibration solutions ............................................................................................95
Iso pH ...........................................................................................................................95
Keyboard connection .................................................................................................96
Keyboard connection - Important .............................................................................97
Language .....................................................................................................................97
Linear (temperature correction) ................................................................................97
Low (result indicator) .................................................................................................97
Main window ...............................................................................................................98
Mains frequency .........................................................................................................98
Maintenance ................................................................................................................99
Manual (calibration mode) .........................................................................................99
Max. stab reached ....................................................................................................100
Max. stab time ...........................................................................................................100
Measurement ............................................................................................................100
Measurement method ..............................................................................................101
Method .......................................................................................................................101
Method library ...........................................................................................................102
Method parameters menu ........................................................................................102
Method results menu ...............................................................................................103
Method wrong type ...................................................................................................103
Min. cell cst - Max. cell cst .......................................................................................103
Min. pH0(25) - Max. pH0(25) .....................................................................................104
Min. sensitivity - Max. sensitivity ............................................................................104
Min. Temp. - Max. Temp. ..........................................................................................104
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Minimum value - Maximum value ............................................................................105
Mode ..........................................................................................................................105
Molar weight ..............................................................................................................105
Nat. water (temperature correction) ........................................................................106
Nb lines per page (printouts) ...................................................................................106
None (temperature correction) ................................................................................106
Notification message ...............................................................................................106
Number of beakers ...................................................................................................106
Number of buffers ....................................................................................................107
Number of cycles ......................................................................................................107
Number of decimals .................................................................................................107
Number of digits .......................................................................................................107
Number of rinses ......................................................................................................108
Number of solutions .................................................................................................108
Number of tests ........................................................................................................108
OK (result indicator) .................................................................................................108
Others list ..................................................................................................................109
Parameters menu .....................................................................................................109
PC cable - A95X501 ..................................................................................................109
PC connection ..........................................................................................................109
PC keyboard ..............................................................................................................109
Periodicity .................................................................................................................110
Periodicity for QC samples ......................................................................................110
pH0(25) ......................................................................................................................110
pH buffer ....................................................................................................................111
pH int .........................................................................................................................111
Potential versus SHE ...............................................................................................112
Preprogrammed list ..................................................................................................112
Printer ........................................................................................................................113
Printer cables - A95P201, A95X506 .........................................................................114
Printer connection ....................................................................................................115
Print in table ..............................................................................................................115
Printouts ....................................................................................................................116
Printouts detailed .....................................................................................................116
Printouts menu .........................................................................................................117
Printouts setup .........................................................................................................117
Printouts title ............................................................................................................117
Programming method ..............................................................................................118
Programming sequence ...........................................................................................119
QC (result indicator) .................................................................................................120
QC analysis required ................................................................................................120
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QC data menu ...........................................................................................................120
QC ID ..........................................................................................................................120
QC not required ........................................................................................................120
QC periodicity elapsed .............................................................................................121
QC sample .................................................................................................................121
QC sample (Yes/No) .................................................................................................121
Ref. electrode conflict ..............................................................................................121
Reference Temp. .......................................................................................................121
Reject a result ...........................................................................................................121
Remove method from a sequence ..........................................................................122
Replace electrodes ...................................................................................................122
Reset memory ...........................................................................................................122
Reset to factory settings ..........................................................................................122
Result accepted (Yes/No) ........................................................................................123
Result indicators ......................................................................................................124
Result unit .................................................................................................................124
Results .......................................................................................................................125
Results factor (Yes/No) ............................................................................................126
Results menu ............................................................................................................126
Rinse aux. output .....................................................................................................127
Rinse time .................................................................................................................127
Routine mode ............................................................................................................127
Run window ..............................................................................................................128
Run window (continued) ..........................................................................................129
Running a method/sequence ..................................................................................130
SAC80/SAC90 ...........................................................................................................131
SAC80/SAC90 cable - A95A202 ...............................................................................131
SAC ext. cell GND .....................................................................................................131
SAC Method ..............................................................................................................131
SAC Sequence ..........................................................................................................131
Same buffer change buffer ......................................................................................132
Sample changer ........................................................................................................132
Sample ID ..................................................................................................................132
Sample stack .............................................................................................................133
Select electrode ........................................................................................................134
Select method ...........................................................................................................134
Select sequence .......................................................................................................134
Sensitivity ..................................................................................................................135
Sequence/SAC sequence ........................................................................................135
Serial number (of an electrode) ...............................................................................136
Setup menu ...............................................................................................................136
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Skip empty position .................................................................................................136
Software version .......................................................................................................136
Solution menu ...........................................................................................................137
Stability ......................................................................................................................138
Standard (conductivity standard) ...........................................................................139
Standard potential ....................................................................................................140
Standard solution (conductivity measurements) ..................................................140
Standard solution (ISE measurements) .................................................................140
Statistics ....................................................................................................................140
Stirring .......................................................................................................................141
Stop analysis ............................................................................................................142
Supervisor code .......................................................................................................143
Supervisor mode ......................................................................................................144
T°C minimum/maximum value ................................................................................144
Temp. coef. ................................................................................................................144
Temp. correction None/Linear/Nat. water ..............................................................145
Temp. limit exceeded ...............................................................................................146
Temperature Probe/ Fixed at 25°C/Entered ............................................................146
Temperature sensor ID ............................................................................................147
The sequence is empty ............................................................................................147
Time max (result indicator) ......................................................................................147
Title ............................................................................................................................147
TTL 5 V OUT/TTL 12 V OUT (sockets) .....................................................................148
TTL IN (sockets) .......................................................................................................148
Type of method .........................................................................................................148
User ID (Yes/No) .......................................................................................................149
User list .....................................................................................................................149
User’s rights ..............................................................................................................149
Valency ......................................................................................................................150
Working mode ...........................................................................................................150
Wrong buffer .............................................................................................................150
Zero pH ......................................................................................................................150
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Appendixes ........................................................................................................151
Appendix 1: Preprogrammed methods ..................................................................153
Appendix 2: General information ............................................................................155
Appendix 3: Result calculations .............................................................................157
Appendix 4: Technical specifications ....................................................................167
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ION450 Reference Manual
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ION450 Reference Manual

Introduction

The ION450 Ion Analyser 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 ION450 can store up to 50 methods and 30 electrodes. In addition 30 electrodes have been pre-defined to help you save time setting up your application.
Thanks to the preprogrammed applications, the Ion Analyser is ready for use as soon as it has been installed. Refer to "Appendix 1: Preprogrammed methods", page 153..
The ION450 also allows you to automatically sequence and repeat measurements. The purpose of the ION450 Reference Manual is to give detailed information on the
Ion Analyser and the data displayed during operations. The information is listed in alphabetical order for quick access and cross-references are listed in italics.
In addition to this handbook, a general User’s Guide (part no. D21M075) 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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Read me!

An important feature of this instrument interface is that it controls the presence of different 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 instrument 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 49. Other, see "Others list", page 109. Copy from, see "Copy electrode", page 57. When creating the electrode, define if electrode calibration is required (or not), if yes specify
the "periodicity" of the calibrations and the pH, ISE or conductivity standards to be used.
Refer to "Calibrate pH electrodes", page 45. Refer to "Calibrate ISE electrodes", page 45. Refer to "Calibrate conductivity cells", page 45.
2. Create new method or Edit a pre-programmed one
Create the method to be used for the analyses. Enter the parameters required to calculate the results, see "Programming methods", page 23.
When you have finished programming, select the method/sequence or pre-programmed application, see "Select method", page 134. or see "Select sequence", page 134.
If your methods are to be performed in a sequence, program the sample stack, see "Sample
stack", page 133.
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3. Check icons
The following icons indicate the exact state of your working system:
Sunny icon:
Everything is OK. Run the method or sequence.
Cloudy icon:
Electrode calibration is required within 12 or 24 hours.
Stormy icon:
Electrode calibration date elapsed or electrodes not installed.
Question mark:
Programming error.
Refer to "Electrode icons", page 85.
A Sunny icon is needed in order to run the selected method. If a Cloudy/Stormy/Question mark icon is displayed in the Electrode window press 1
to activate the “Check” command. The ION450 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 14.
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Working in Routine mode
A.Access methods
A Routine operator has access to all the methods “Select method” and programmed parameters “Display method” for checking purposes
B.Running methods
When working in “ROUTINE” mode, it is necessary to install your measurement 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 134. Refer to "Select sequence", page 134.
2. Check icons
Refer to "Check icons", page 13.
Depending on the icon displayed, the ION450 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 83.
b. Calibrate electrode(s)
Now, run the calibration.
Refer to "Calibrate pH electrodes", page 45. Refer to "Calibrate ISE electrodes", page 45. Refer to "Calibrate conductivity cells", page 45.
c. Run the method or the sequence
Refer to "Running a method/sequence", page 130.
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Practical examples

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Programming electrodes

pH electrodes
ION450 Reference Manual
1.
Press 4.
4.
2.
Press 1.
5.
3.
Select function and ID.
6.
Select ID from Catalogue or Others list. Press 1 to confirm.
Press 1 to confirm the creation of the new electrode.
For a combined or a simple or reference electrode, enter the potential (in mV) of the refer­ence versus the Standard Hy­drogen Electrode (SHE). For a combined or a simple electrode if you have selected the Others list, enter the inter­nal pH of the electrode.
Enter the electrode address. If you want a message to be displayed once a week con­cerning this electrode, select Maintenance = Yes and enter the message. Select Fixed or Free if a calibra­tion is required, go to step 7. Select No, for no calibration, press Esc to leave the menu. Programming is completed.
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Calibration request = Fixed
Calibration with automatic recognition of the buffer among a list of predefined values. The buffer values are entered during method edition.
Calibration request = Free
The buffer values are entered FREEly by the user. Use this option to calibrate pH electrode with buffers that do not belong to the predefined list.
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ION450 Reference Manual
7.
Enter the calibration parameters.
10.
8.
Press 1.
11.
9.
Enter the electrode calibration parameters. For a Fixed calibration, press Esc then 2. Go to step 10. For a Free calibration, press Esc then 3. Skip to step 11.
12.
Fixed calibration only.
Select the buffer solutions used. Press Esc then 3.
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Enter the results parameters. Press Esc then 4.
Enter the printouts parameters. Press Esc twice. Electrode programming is completed.
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ISE electrodes
ION450 Reference Manual
1.
Press 4.
4.
2.
Press 1.
5.
3.
Select function and ID.
6.
Select ID from Catalogue or Others list. Press 1 to confirm.
Press 1 to confirm the creation of the new electrode.
For a combined or a simple or reference electrode, enter the potential (in mV) of the reference versus the Standard Hydrogen Electrode (SHE). IfyouhaveselectedtheOthers list, select the valency and enter the molar weight of the ion under study. Enter the electrode address.
If you want a message to be displayed once a week concerning this electrode, select Maintenance = Yes and enter the message. Press the Left or Down arrow key. Select Manual if a calibration is required then go to step 7. Select No, for no calibration, press Esc to leave the menu. Programming is completed.
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Calibration = Manual
Calibration using 1 to 9 standards of known concentration.The standard concentrations are entered during method edition. This method requires 1 to 9 calibration beakers.
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ION450 Reference Manual
7.
Enter the calibration parameters.
10.
8.
Press 1.
11.
9.
Enter the electrode calibration parameters. Press Esc then 2.
12.
Enter the standard solution ID and standard concentrations. Press Esc then 3.
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Enter the results parameters. Press Esc then 4.
Enter the printouts parameters. Press Esc twice. Electrode programming is completed.
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Conductivity cells
ION450 Reference Manual
1.
Press 4.
4.
2.
Press 1.
5.
3.
Select function and ID.
6.
Select ID from Catalogue or Others list. Press 1 to confirm.
Calibration request = Free
Use the Free calibration mode when you use a standard that does not belong to the Catalogue list and you know the conductance of this standard at a given temperature. During a Free calibration run and after stabilisation of the measurement, you will adjust the cell constant in order to display the correct conductance value.
Calibration request = Fixed
With the Fixed mode when you use a standard that belongs to the Catalogue list, the cell constant is determined as the ratio of the conductivity (known by the instrument) divided by the measured conductance.
Press 1 to confirm the creation of the new electrode.
IfyouhaveselectedtheOthers list, enter the cable resistance and capacitance. If you want a message to be displayed once a week con­cerning this electrode, select Maintenance = Yes and enter the message. Select Fixed or Free if a calibration is required, go to step 7.
Select No, for no calibration, press Esc to leave the menu. Programming is completed.
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7.
Enter the calibration parameters.
10.
8.
Press 1.
11.
9.
Enter the electrode calibration parameters. For a Fixed calibration, press Esc then 2. Go to step 10. For a Free calibration, press Esc then 3. Skip to step 11.
12.
Fixed calibration only.
Select the standard solution used. Press Esc then 3.
Enter the results parameters. Press Esc then 4.
Enter the printouts parameters. Press Esc twice. Electrode programming is completed.
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Programming methods

Creating and editing a method
ION450 Reference Manual
1.
Press 4.
4.
2.
Press 1.
5.
3.
Enter ID. Press 1 to confirm.
6.
Enter method parameters. Specify the Mode, see "Mode",
page 105.
Press 1.
Press ✓ and select the electrode(s) and temperature sensor from the lists. Enter the other method parameters. Press Esc then 3.
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ION450 Reference Manual
7.
Enter the results parameters. Press Esc then 4.
8.
Enter the printouts parame­ters. If a QC sample has been defined in step 4, press Esc then 5.
9.
Enter the QC data. Press Esc twice. Method programming is completed.
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For a Coupled method
ION450 Reference Manual
1.
Press 4.
4.
2
Press 1.
3.
Enter the Method ID and press 1 to confirm.
Select Mode = Coupled. Enter the method to be linked. Press Esc twice. Method programming is completed.
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Programming sequences

ION450 Reference Manual
1.
Select: Sequence:tocreatea
sequences of methods. SAC Sequence:tocreatea sequences of methods to be performed using a Sample Changer.
Define the Sample Changer in the Configuration menu before selecting SAC Method or SAC Sequence.
2
Press 2.
3.
Enter a name for the sequence.
4.
Press 3.
5.
Press 1 to add a method.
6.
Select the type of method.
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7.
Selectamethodinthelistof available methods.
10.
8.
Press 1 to add the method to the sequence.
9.
If Sample has been selected in step 6, enter the number of samples (number of times you wish to repeat the method in the sequence).
Press 1 to add a second method to the sequence. Repeat steps 6 to 9. Up to 10 methods can be chained in a sequence. After having added the last method, press Esc twice. Sequence programming is completed.
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Programming tips

• Do not forget to declare electrode(s) when programming your method parameters
• If a Sample Changer is used, do not forget to declare one in the Configuration menu.
• If a printer is used, do not forget to declare one in the Configuration menu.
If no sun icon appears after the method has been selected, check the following points:
1. Install electrode(s) for selected method, see "Check electrodes", page 53.
2. If required, calibrate electrode.
Refer to "Calibrate pH electrodes", page 45.. Refer to "Calibrate ISE electrodes", page 45.. Refer to "Calibrate conductivity cells", page 45.
If a Sunny icon appears: Everything is OK. A sunny icon is required to run the selected method.
If a Cloudy icon appears: An electrode calibration should be performed within 24 hours.
This is a simple warning, it will not stop you from running the analysis.
If a Stormy icon appears: Electrode required in the selected method is not installed. Electrode required in
the selected method has not been calibrated.
If a Question mark icon appears: It is a programming error, electrode is not defined in the selected method. Revise
the method programming.
When a Stormy or a Question mark icon appears, press 1 “Check” . The ION450 will automatically guide you through the operations necessary to solve the errors encountered.
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