Metrohm 792 Basic IC User Manual Page 152
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5.2 Maintenance and servicing
792 Basic IC
143
5.2 Maintenance and servicing
5.2.1 General information
Care
The 792 Basic IC requires proper care and attention. Excessive conta-
mination of the instrument could possibly lead to malfunctions and a
shorter service life of the inherently rugged mechanical and electronic
parts.
Spilled chemicals and solvents should be wiped up immediately. It is
especially important to protect the plug connections at the rear of the
instrument (particular the mains plug) against contamination.
Although constructional measures have been designed to virtually
eliminate such a situation, should corrosive media penetrate the
interior of the instruments the mains plug of the 792 Basic IC must be
immediately disconnected to prevent extensive damage to the
instrument electronics. Inform Metrohm service if your instrument(s)
have been damaged in such a way.
The instrument must not be opened by untrained personnel. Please
comply with the safety notes in section 1.4.1.
Maintenance by Metrohm service
Maintenance of the 792 Basic IC is best done as part of an annual ser-
vice performed by specialists from the Metrohm company. If work is
frequently performed with caustic and corrosive chemicals, it may be
necessary to shorten the interval between servicing.
The Metrohm service department is always willing to offer expert advice
on the maintenance and servicing of all Metrohm instruments.
5.2.2 Passivation
Passivation of the complete IC System (without column) by rinsing with
20...50 mL 0.2 mol/L HNO
3
is only required when unusual alterations to
the measuring properties of the cell are observed. For passivation, the
separating column
66
6666
66
is removed from the 792 Basic IC. The two capil-
laries
20
2020
20
and
37
3737
37
(see
Fig. 12
and
Fig. 14
) are directly connected to
each other using the Coupling
26
2626
26
(6.2620.060).
- BasicBasic 1
- Table of contents 2
- Notes – Maintenance – Faults 5
- Appendix 6
- List of figures 7
- 1 Introduction 10
- 1 Introduction 15
- 1.733.0110 Detector block) 15
- 1.3.1 Organization 17
- SYSTEM STATE 18
- <OK> 18
- 1.4 Safety notes 19
- 2 Installation 20
- 2.2.1 Packaging 22
- 2.2.2 Check 22
- 2.2.3 Location 22
- 2.3.5 Filter unit PEEK 25
- 2.4 Mains connection 26
- 2.4.2 Fuses 27
- 2.5 Connection to the PC 28
- 2.5.3 Basic settings 29
- Hardware 31
- Hardware settings 31
- Cell constant 31
- 2.6 High-pressure pump 32
- File / Open / System 34
- Default.smt 34
- <Open> 34
- 2 mL/min 35
- <Send to unit> 35
- Injector 38
- Flow rate 39
- <On> 39
- <Off> 39
- 2.8 Suppressor module 44
- 2.9 Putting into operation 50
- Suppressed anion 51
- Prep MSM.smt 51
- Startup determination 52
- 2 Installation 53
- 3 Operating tutorial 54
- 3.2 Preparations 55
- 3.3 Calibration 56
- <Concentrations> 61
- <Calibrate> 61
- 3.4 Sample determination 63
- 4 Operation 66
- 4.1.2 Glossary 67
- 4.1.4 Main window elements 69
- 4.1.9 Help 72
- 4.2.1 Fonts 73
- 4.2.2 Security system 73
- 4.2.3 Global settings 74
- 4.2.4 COM port 76
- 4.3 Systems 77
- 4.3.3 System functions 78
- 4.3.4 PC icon 80
- 4.3.5 Watch window 80
- 4.3.6 Instrument icon 81
- 4.3.7 System state window 87
- 4.3 Systems 88
- Error messages 88
- 4.4 Methods 89
- Data Log 95
- <Add new> 95
- New comment 95
- 4.4.3 Method setup 96
- 4.4.4 Integration 99
- 792 Basic IC 100
- 792 Basic IC 101
- Component table 103
- Components table 105
- 4.4.6 Report output 115
- 4.5 Chromatograms 127
- 4.5.4 Peak editor 136
- 4.5.5 Printing 138
- 4.6 Batch reprocessing 141
- REPROCESS / 145
- <Merge> 145
- Appearance 145
- File / Save / Chroma 145
- 5.1.1 Separating columns 148
- 5.1.2 High-pressure pump 149
- 5.1.3 Eluents 150
- 5.1.4 Peristaltic pump 150
- 5.1.5 Suppressor module 151
- 5.1.6 Connections 151
- 5.2.1 General information 152
- 5.2.2 Passivation 152
- 5.2.3 Recycling 153
- 5.2.4 Shutdown 153
- 90 and 158
- 5.3 Faults and malfunctions 165
- 6 Appendix 168
- 6.1.3 Injection valve 169
- 6.1.4 High-pressure pump 169
- 6.1.5 Peristaltic pump 170
- 6.1.6 Suppressor module 170
- 6.1.7 RS232 interface 170
- 6.1.8 Mains connection 171
- 6.1.9 Safety specifications 171
- 6.1.11 Ambient temperature 172
- 6.1.12 Housing 172
- 6.2 Standard equipment 173
- 6.3 Optional accessories 176
- 6.3 Optional accessories 178
- 6 Appendix 179
- 6.4 Warranty and conformity 185
- EU Declaration of Conformity 186
- 6.5 Index 188
- 6.5 Index 190
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