Metrohm 896 Professional Detector – Conductivity & Amperometry - Manual (Page 6)

Table of contents
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IV ￭￭￭￭￭￭￭￭
2.896.0030 896 Professional Detector – Conductivity & Amperometry
4.5 Testing the measuring cell ................................................. 25
4.6 Deaerating the measuring cell .......................................... 27
4.7 Connecting the electrode connection cables ................... 28
4.8 Attaching the front lid ....................................................... 30
5 Operation and maintenance 31
5.1 General notes ...................................................................... 31
5.1.1 Care ...................................................................................... 31
5.1.2 Maintenance by Metrohm Service .......................................... 31
5.1.3 Operation .............................................................................. 31
5.1.4 Shutting down ...................................................................... 32
5.2 Conductivity detector ......................................................... 32
5.2.1 Maintenance ......................................................................... 32
5.2.2 Remedying blockage ............................................................. 32
5.3 Amperometric detector ...................................................... 33
5.3.1 Maintenance ......................................................................... 33
5.3.2 Preheating capillary maintenance ........................................... 33
5.4 Quality Management and validation with Metrohm ....... 34
6 Troubleshooting 35
6.1 Problems with the hardware ............................................. 35
6.2 Problems with the baseline ............................................... 35
6.3 General remarks regarding sensitivity fluctuations ......... 38
6.4 Problems with sensitivity ................................................... 38
6.5 Problems with the pressure ............................................... 39
6.6 Problems with the measuring signal ................................ 39
6.7 Problems with the chromatogram .................................... 40
6.8 Other problems ................................................................... 41
6.9 Systematic error diagnostics ............................................. 42
7 Technical specifications 44
7.1 Reference conditions .......................................................... 44
7.2 Conductivity detector ......................................................... 44
7.3 Amperometric detector ...................................................... 45
7.4 Power connection ............................................................... 46
7.5 Leak sensor ......................................................................... 46
7.6 Ambient conditions ............................................................ 46
7.7 Housing ............................................................................... 47
7.8 Interfaces ............................................................................. 47