Metrohm 889 IC Sample Center - Manual (Page 6)

Table of contents
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IV ￭￭￭￭￭￭￭￭
889 IC Sample Center
4.3 Full loop injection ............................................................... 21
4.4 Partial loopfill injection ...................................................... 24
4.5 Pickup injection .................................................................. 27
5 Handling and maintenance 31
5.1 General ................................................................................ 31
5.2 Care ...................................................................................... 31
5.2.1 Cleaning in general ................................................................ 31
5.3 Maintenance and service ................................................... 32
5.3.1 Sample loop .......................................................................... 32
5.3.2 Replacing the sample needle ................................................. 33
5.3.3 Replacing the air needle ........................................................ 35
5.3.4 Replacing the fuses ................................................................ 36
5.4 Quality Management and validation with Metrohm ....... 37
6 Troubleshooting 38
6.1 Error list .............................................................................. 38
6.1.1 Rack unit ............................................................................... 38
6.1.2 Needle unit ............................................................................ 39
6.1.3 Syringe unit ........................................................................... 40
6.1.4 Injection valve unit ................................................................. 42
6.1.5 Cooling unit .......................................................................... 42
6.1.6 Electronics ............................................................................. 42
6.2 Analytical problems ............................................................ 43
6.2.1 Autosampler .......................................................................... 43
7 Appendix 45
7.1 Samples and sample vials .................................................. 45
7.2 I/O interface ........................................................................ 45
7.2.1 Properties of the I/O interface ................................................ 46
7.2.2 Pin assignment of the remote interface .................................. 46
8 Technical specifications 47
8.1 General ................................................................................ 47
8.2 Sampling .............................................................................. 47
8.3 Analytical characteristics ................................................... 48
8.4 Programming ...................................................................... 48
8.5 Interfaces ............................................................................. 48
8.6 Options (pre-installed) ........................................................ 48
8.7 Mains connection ............................................................... 49
8.8 Safety specifications ........................................................... 49