Metrohm 790 Personal IC - Manual (Page 6)

Table of contents
790 Personal IC
V
5 Notes – Maintenance – Faults
...................................................
151
5.1 Practical notes on ion chromatography .........................................................151
5.1.1 Separating columns ............................................................................151
5.1.2 High-pressure pump ...........................................................................152
5.1.3 Eluents.................................................................................................153
5.1.4 Peristaltic
pump...................................................................................153
5.1.5 Suppressor module.............................................................................154
5.1.6 Connections ........................................................................................154
5.2 Maintenance and servicing ...............................................................................155
5.2.1 General information.............................................................................155
5.2.2 Passivation ..........................................................................................155
5.2.3 Recycling.............................................................................................156
5.2.4 Shutdown ............................................................................................156
5.2.5 Changing separating columns............................................................156
5.2.6 Maintenance work at the pump head .................................................158
5.2.7 Regeneration of the suppressor module ............................................162
5.2.8 Cleaning the suppressor.....................................................................163
5.2.9 Replacing the suppressor...................................................................165
5.2.10 Exchanging the pump tubing..............................................................167
5.3 Faults and malfunctions....................................................................................168
5.3.1 Error messages ...................................................................................168
5.3.2 Malfunctions and their rectification .....................................................168
5.4 Diagnostic tests / Validation / GLP ..................................................................170
6 Appendix
.............................................................................................................
171
6.1 Technical data .....................................................................................................171
6.1.1 Conductivity measurement .................................................................171
6.1.2 Conductivity detector ..........................................................................171
6.1.3 Injection valve......................................................................................171
6.1.4 High-pressure pump ...........................................................................172
6.1.5 Peristaltic pump...................................................................................173
6.1.6 Suppressor module.............................................................................173
6.1.7 RS232 interface ...................................................................................173
6.1.8 Remote interface .................................................................................174
6.1.9 Mains connection................................................................................174
6.1.10 Safety specifications ...........................................................................174
6.1.11 Electromagnetic compatibility (EMC)..................................................174
6.1.12 Ambient
temperature...........................................................................174
6.1.13 Housing ...............................................................................................175
6.2 Standard equipment...........................................................................................176
6.3 Optional accessories .........................................................................................179
6.3.1 Accessories for 790 Personal IC.........................................................179
6.3.2 Separating columns and precolumns.................................................181
6.3.3 Additional devices and cables ............................................................185
6.4 Warranty and conformity...................................................................................186
6.4.1 Warranty ..............................................................................................186
6.4.2 EU Declaration of conformity ..............................................................187
6.4.3 Certificate of conformity and system validation ..................................188
6.5 Index......................................................................................................................189