Metrohm 790 Personal IC User Manual Page 164
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5.2 Maintenance and servicing
790 Personal IC
155
5.2 Maintenance and servicing
5.2.1 General information
Care
The 790 Personal IC requires proper care and attention. Excessive
contamination 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 790 Personal 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 790 Personal IC is best done as part of an annual
service 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
63
6363
63
is removed from the 790 Personal IC. The two
capillaries
20
2020
20
and
37
3737
37
(see
Fig. 13
and
Fig. 15
) are directly connected to
each other using the Coupling
26
2626
26
(6.2620.060).
- 790 Personal IC 1
- Table of contents 2
- 3 Operating tutorial 3
- 4 Operation 3
- List of figures 7
- 1 Introduction 10
- 1.2 Parts and controls 12
- 1 Introduction 13
- 1.733.0110 Detector block) 15
- 1.3.1 Organization 19
- SYSTEM STATE 20
- <OK> 20
- 1.4 Safety notes 21
- 2 Installation 22
- 2.2.1 Packaging 24
- 2.2.2 Check 24
- 2.2.3 Location 24
- 2.3.5 Filter unit PEEK 27
- 2.4 Mains connection 28
- 2.4.2 Fuses 29
- 2.5 Connection to the PC 30
- 2.5.3 Basic settings 31
- Hardware 33
- Hardware settings 33
- Cell constant 33
- 2.6 High-pressure pump 34
- Flow rate 41
- <Send to unit> 41
- <On> 41
- <Off> 41
- 2.8 Suppressor module 46
- 2.9 Putting into operation 52
- File / Open / System 53
- 790com1 53
- 790com2 53
- Prep MSM.smt 53
- <Open> 53
- Startup determination 54
- Run time 55
- 2 Installation 59
- 3.2 Preparations 61
- 3.3 Calibration 62
- 3.4 Sample determination 69
- 4.1.2 Glossary 73
- 4.1.4 Main window elements 75
- 4.1.9 Help 78
- 4.2.1 Fonts 79
- 4.2.2 Security system 79
- 4.2.3 Global settings 80
- 4.2.4 COM port 82
- 4.3 Systems 83
- 4.3.3 System functions 84
- 4.3.4 PC icon 86
- 4.3.5 Watch window 86
- 4.3.6 Instrument icon 87
- 4.3.7 System state window 93
- 4.4 Methods 95
- Data Log 101
- <Add new> 101
- New comment 101
- 4.4.3 Method setup 102
- 790 Personal IC 103
- 4.4.4 Integration 105
- Component table 109
- Components table 111
- 4.4.6 Report output 121
- 4.5 Chromatograms 133
- 4.5.4 Peak editor 142
- 4.5.5 Printing 144
- 4.6 Sample queue 147
- 4.6.2 Sample queue control 148
- 4.6.3 Sample queue editor 150
- 4.7 Batch reprocessing 153
- REPROCESS / 157
- <Merge> 157
- Appearance 157
- File / Save / Chroma 157
- 5.1.1 Separating columns 160
- 5.1.2 High-pressure pump 161
- 5.1.3 Eluents 162
- 5.1.4 Peristaltic pump 162
- 5.1.5 Suppressor module 163
- 5.1.6 Connections 163
- 5.2.1 General information 164
- 5.2.2 Passivation 164
- 5.2.3 Recycling 165
- 5.2.4 Shutdown 165
- 93 and 170
- 5.3 Faults and malfunctions 177
- 6 Appendix 180
- 6.1.4 High-pressure pump 181
- 6.1.5 Peristaltic pump 181
- 6.1.6 Suppressor module 182
- 6.1.7 RS232 interface 182
- 6.1.8 Remote interface 182
- 6.1.9 Mains connection 183
- 6.1.10 Safety specifications 183
- 6.1.12 Ambient temperature 183
- 6.1.13 Housing 184
- 6.2 Standard equipment 185
- 2.790.0010 186
- 2.790.0020 186
- 6.3 Optional accessories 188
- 6.4 Warranty and conformity 195
- EU Declaration of Conformity 196
- 6.5 Index 198
- 6 Appendix 199
- 6.5 Index 200
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