Ocean Optics DTS - Manual (Page 8)

Table of Contents
viii Polychromix DTS TM Near-Infrared Spectrometer
Operator’s Manual
Document Number 04-91-0201-00 Rev A
4.3.4 Spectrum Manipulation .....................................................4-5
4.3.5 Help ..................................................................................4-5
4.4 Tool Bars......................................................................................4-5
4.4.1 Upper Tool Bar .................................................................4-6
4.4.2 Lower Tool Bar .................................................................4-7
4.5 The Spectral Region.....................................................................4-8
4.6 The PlotLegend Dialog Box ..........................................................4-8
4.7 MultiScan ...................................................................................4-11
5 Collecting Spectra and Manipulating Data ........................................5-1
5.1 Overview ......................................................................................5-1
5.2 Collecting Spectra ........................................................................5-1
5.2.1 Collecting the Background Spectrum................................5-1
5.2.2 Collecting a Transmittance Spectrum ...............................5-3
5.3 Performing Mathematical Manipulations on the Spectra ...............5-6
5.4 Saving and Retrieving Spectra .....................................................5-7
5.5 The Light Meter ............................................................................5-9
6 Measuring the Spectrum of a Sample................................................6-1
6.1 Overview ......................................................................................6-1
6.2 Using a Cuvette and Sample Holder.............................................6-2
6.2.1 The Cuvette......................................................................6-2
6.2.2 The Sample ......................................................................6-2
6.2.3 Collecting a Spectrum.......................................................6-3
6.2.4 Standards .........................................................................6-3
6.2.5 Sample Related Spectra Issues........................................6-3
6.2.6 Quantitative Measurements ..............................................6-4
6.3 Using an Integrating Sphere .........................................................6-5
6.3.1 The Sample ......................................................................6-5
6.3.2 Collecting a Reflectance Spectrum ...................................6-5
6.3.3 Standards .........................................................................6-5
6.4 Spectrum Averaging .....................................................................6-6
7 Maintenance and Troubleshooting ....................................................7-1
7.1 Overview ......................................................................................7-1
7.2 Maintenance.................................................................................7-1
7.3 Troubleshooting............................................................................7-2
7.3.1 Introduction.......................................................................7-2
7.3.2 If the Spectrum is Noisy....................................................7-3
7.3.3 There is no Signal.............................................................7-3
7.3.4 The Signal Intensity is not Constant..................................7-4
7.3.5 The Wavelength for a Peak has Shifted............................7-4
Appendix A Specifications .................................................................................. A1
Index ............................................................................................................ I1