BUCHI ELS Detector C-650 - Manual (Page 4)

5.8 Control panel 26
5.8.1 Digital display 26
5.8.2 User interface 27
5.9 Initial test procedures 34
5.9.1 Preliminary activities 34
5.9.2 Electronic noise test 35
5.9.3 Background noise (stray light) test 35
5.9.4 Solvent noise test 36
5.9.5 Column noise test 37
6 Operation 38
6.1 Preparing the device for operation 38
6.2 Auto-zeroing the detector 38
6.2.1 Manual 38
6.2.2 External 39
6.3 Routine operation of the detector 39
6.4 Optimizing the performance 39
6.4.1 Selecting the optimum temperature 39
6.4.2 Optimizing the mobile phase 40
6.4.3 Sample pretreatment 41
6.4.4 Column treatment 41
6.4.5 Optimizing the noise filter 42
6.5 Powering down and shutting down the detector 42
7 Maintenance 43
7.1 Customer service 44
8 Troubleshooting 45
8.1 General troubleshooting information 45
8.2 Initial troubleshooting activities 45
8.3 Perform the noise test 46
8.4 Specific detector troubleshooting 46
8.5 Nebulizer cleaning and replacement procedures 47
8.6 Gas flow problems 49
8.7 Cleaning and decontamination 49
8.7.1 Device cleaning 49
8.7.2 Device decontamination 50
8.8 Light source exchange 50
9 Shutdown, storage, transport and disposal 51
9.1 Preparing the device for storage and transport 51
9.2 Storage and transport 51
10 Spare parts 52
11 Declarations and requirements 53
11.1 FCC requirements (for USA and Canada) 53
11.2 Declaration of conformity 54