Metrohm NIRS XDS Process Analyzer – DirectLight/NonContact - Manual (Page 7)

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11 Instrument standardization ......................................................................... 59
11.1 Interactance Reflectance Probe .................................................................. 59
11.1.1 Wavelength Linearization, Interactance Reflectance .............................................. 59
11.1.2 Reference Standardization, Interactance Reflectance ............................................. 62
11.1.3 Instrument Calibration, Interactance Reflectance ................................................... 67
11.1.4 Performance Test, Interactance Reflectance .......................................................... 70
11.2 Interactance Immersion Probe .................................................................... 71
11.2.1 Wavelength Linearization, Interactance Immersion ................................................ 72
11.2.2 Reference Standardization, Interactance Immersion .............................................. 73
11.2.3 Instrument Calibration, Interactance Immersion .................................................... 78
11.2.4 Window Correction, Interactance Immersion ........................................................ 82
11.2.5 Performance Test, Interactance Immersion ............................................................ 84
11.3 Interactance Reflectance Purge on the Tip Probe ....................................... 85
11.4 Transmission Probe .................................................................................... 85
11.4.1 XDS PA Microbundle............................................................................................. 85
11.4.2 Wavelength Linearization, Transmission Probes ..................................................... 86
11.4.3 Reference Standardization, Transmission Probes ................................................... 87
11.4.4 Instrument Calibration, Transmission Probes ......................................................... 89
11.4.5 Window Correction, Transmission Probes ............................................................. 92
11.4.6 Performance Test, Transmission Probes ................................................................. 94
11.5 XDS PA Silicon ............................................................................................ 95
11.5.1 Wavelength Linearization, Transmission Probes ..................................................... 95
11.5.2 Reference Standardization, Transmission Probes ................................................... 98
11.5.3 Instrument Calibration, Transmission Probes ....................................................... 100
11.5.4 Window Correction, Transmission Probes ........................................................... 103
11.5.5 Performance Test, Transmission Probes ............................................................... 105
11.6 Direct Light Probe ..................................................................................... 106
11.6.1 Wavelength Linearization, Direct Light Probes ..................................................... 106
11.6.2 Reference Standardization, Direct Light Probes ................................................... 108
11.6.3 Instrument Calibration ........................................................................................ 112
11.6.4 Performance Test, Direct Light Probes ................................................................. 115
12 Maintenance of the XDS Process Instrument ............................................ 116
12.1 Instrument Familiarization ........................................................................ 116
12.2 Lamp Replacement ................................................................................... 119
12.2.1 All XDS process instrument except Direct light .................................................... 119
12.2.2 Direct light .......................................................................................................... 124
12.3 Fuse Replacement ..................................................................................... 124
12.4 Cleaning of Direct light window ............................................................... 127
13 Safety Information .................................................................................... 128
14 Troubleshooting ....................................................................................... 130
15 Probe Disassembly .................................................................................... 132
15.1.1 Use of non-threaded lens barrel (existing systems) .............................................. 133
16 Appendix: Typical Probe Drawings ........................................................... 134