Metrohm 761 Compact IC - Page 7

Table of contents
761 Compact IC
V
5 Notes – Maintenance – Faults....................................................169
5.1 Practical notes on ion chromatography .........................................................169
5.1.1 Separating columns............................................................................ 169
5.1.2 High-pressure pump .......................................................................... 170
5.1.3 Eluents ................................................................................................ 171
5.1.4 Peristaltic pump.................................................................................. 171
5.1.5 Suppressor module ............................................................................ 172
5.1.6 Connections........................................................................................ 172
5.2 Maintenance and servicing...............................................................................173
5.2.1 General information ............................................................................ 173
5.2.2 Passivation.......................................................................................... 173
5.2.3 Recycling ............................................................................................ 174
5.2.4 Shutdown............................................................................................ 174
5.2.5 Changing separating columns ........................................................... 174
5.2.6 Maintenance work at the pump head ................................................ 176
5.2.7 Regeneration of the suppressor module ........................................... 180
5.2.8 Cleaning the suppressor .................................................................... 181
5.2.9 Replacing the suppressor .................................................................. 183
5.2.10 Exchanging the pump tubing ............................................................. 185
5.3 Faults and malfunctions....................................................................................186
5.3.1 Error messages .................................................................................. 186
5.3.2 Malfunctions and their rectification..................................................... 186
5.4 Diagnostic tests / Validation / GLP..................................................................188
6 Appendix..............................................................................................................189
6.1 Technical data.....................................................................................................189
6.1.1 Conductivity measurement................................................................. 189
6.1.2 Conductivity detector.......................................................................... 189
6.1.3 Injection valve ..................................................................................... 190
6.1.4 High-pressure pump .......................................................................... 190
6.1.5 Peristaltic pump.................................................................................. 191
6.1.6 Suppressor module ............................................................................ 191
6.1.7 Leak detector ...................................................................................... 191
6.1.8 RS232 interface .................................................................................. 191
6.1.9 Remote interface................................................................................. 192
6.1.10 Analog output ..................................................................................... 192
6.1.11 Mains connection ............................................................................... 192
6.1.12 Safety specifications........................................................................... 192
6.1.13 Electromagnetic compatibility (EMC)................................................. 193
6.1.14 Ambient temperature.......................................................................... 193
6.1.15 Housing............................................................................................... 193
6.2 Standard equipment...........................................................................................194
6.3 Optional accessories .........................................................................................198
6.3.1 Accessories for capillary connections................................................ 198
6.3.2 High-pressure pump .......................................................................... 199
6.3.3 Separating columns and precolumns ................................................ 200
6.3.4 Additional devices and cables ........................................................... 205
6.4 Warranty and conformity...................................................................................206
6.4.1 Warranty.............................................................................................. 206
6.4.2 EU Declaration of conformity.............................................................. 207
6.4.3 Certificate of conformity and system validation ................................. 208
6.5 Index .....................................................................................................................209