Table of Contents
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5.5 Color measurement ......................................................................................................................................... 41
5.5.1 Take a color measurement ..................................................................................................................... 42
5.5.1.1 Touch-sensitive areas on the measurement window .................................................................. 43
5.5.1.2 Parameter setup options ............................................................................................................. 44
5.5.1.3 Change the color scale after a measurement ............................................................................. 45
5.5.1.4 Change the measuring range after a measurement ................................................................... 46
5.5.2 Take a Pharm. Eur. color measurement ................................................................................................. 46
5.5.3 Take a US Pharmacopoeia color measurement ..................................................................................... 50
5.5.4 Determine the Iodine color value ............................................................................................................ 50
5.5.5 Determine the Hazen color value (Pt-Co or APHA-method) ................................................................... 51
5.5.6 Determine the Gardner color value ......................................................................................................... 51
5.5.7 Determine the Klett color number ........................................................................................................... 51
5.5.8 Mineral oil color value (ASTM D 1500 and ISO 2049) ............................................................................ 51
5.5.9 Determine the Saybolt color number (ASTM D 156) .............................................................................. 52
5.5.10 AOCS Cc 13 e (Lovibond®) scale ........................................................................................................ 52
5.5.11 Determine the Yellowness-Index (ASTM D 1925) ................................................................................ 52
5.5.12 Hess-Ives color number ........................................................................................................................ 52
5.5.13 The ADMI color number ........................................................................................................................ 53
5.6 Color difference measurement ......................................................................................................................... 54
5.6.1 Take a color difference measurement .................................................................................................... 54
5.6.1.1 View graph/table/values .............................................................................................................. 56
5.6.2 Take a color difference measurement with stored reference values ...................................................... 57
5.6.3 Add a reference to the reference list ....................................................................................................... 58
5.7 Photometry ....................................................................................................................................................... 59
5.7.1 Single Wavelength (absorbance, concentration and transmittance measurements) .............................. 59
5.7.1.1 Set up single wavelength mode .................................................................................................. 60
5.7.1.2 Take single wavelength measurements (single reading) ............................................................ 62
5.7.1.3 Take single wavelength measurements (continuous readings) .................................................. 62
5.7.2 Multi-Wavelength mode - measurements at more than one wavelength ............................................... 62
5.7.2.1 Set the reading mode at different wavelengths .......................................................................... 62
5.7.2.2 Complete a measurement in the multi wavelength mode ........................................................... 65
5.7.3 Wavelength scan mode - recording of absorbance and transmission spectrums .................................. 65
5.7.3.1 Set up the wavelength scan ........................................................................................................ 66
5.7.3.2 Wavelength scan reading ........................................................................................................... 68
5.7.3.3 Work with reference scans ......................................................................................................... 70
5.7.4 Time course of absorbance/transmittance .............................................................................................. 71
5.7.4.1 Time course setup parameters ................................................................................................... 71
5.7.4.2 Time course scan reading .......................................................................................................... 73
5.7.4.3 Analysis of time course data ....................................................................................................... 74
5.7.4.4 Navigation of a time scan or a time scan analysis ...................................................................... 74
Section 6 Advanced Operations ......................................................................................................................... 75
6.1 System checks ................................................................................................................................................. 75
6.1.1 Instrument information ............................................................................................................................ 75
6.1.2 Upgrade of the instrument software ........................................................................................................ 76
6.1.3 Optical checks ......................................................................................................................................... 76
6.1.3.1 Verification kit ............................................................................................................................. 76
6.1.4 Output checks ......................................................................................................................................... 78
6.1.5 Lamp history ........................................................................................................................................... 78
6.1.5.1 Factory service ........................................................................................................................... 79
6.1.6 Service time ............................................................................................................................................ 79
6.1.7 Instrument backup .................................................................................................................................. 81
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