Hach-Lange DR 6000 User Manual - Manual (Page 7)

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Table of contents
6.7 System Checks............................................................................................................................... 115
6.7.1 Instrument Information ........................................................................................................... 116
6.7.2 Update the instrument software ............................................................................................. 116
6.7.3 Optical Checks....................................................................................................................... 116
6.7.3.1 Verification kit................................................................................................................ 117
6.7.3.2 Test solution.................................................................................................................. 118
6.7.3.3 Wavelength check......................................................................................................... 120
6.7.3.4 Stray Light Check.......................................................................................................... 120
6.7.3.5 Absorbance Check........................................................................................................ 121
6.7.3.6 Noise Check.................................................................................................................. 122
6.7.3.7 Drift Check .................................................................................................................... 122
6.7.4 AQA - Analytical Quality Assurance....................................................................................... 123
6.7.4.1 AQA Standard configuration ......................................................................................... 123
6.7.4.2 AQA Addition ................................................................................................................ 125
6.7.4.3 Multiple Determination .................................................................................................. 126
6.7.4.4 Dilution .......................................................................................................................... 126
6.7.4.5 Performing AQA measurement..................................................................................... 126
6.7.4.6 Pipette check ................................................................................................................ 127
6.7.5 Instrument backup ................................................................................................................. 128
6.7.6 Service menu ......................................................................................................................... 129
6.7.7 Service time ........................................................................................................................... 130
6.7.8 Lamps operating time ............................................................................................................ 130
6.8 Toolbar............................................................................................................................................ 131
6.8.1 Log on .................................................................................................................................... 131
6.8.2 Sample ID .............................................................................................................................. 131
6.8.3 Timer...................................................................................................................................... 131
6.8.4 AQA ....................................................................................................................................... 132
6.8.5 Trends.................................................................................................................................... 132
6.8.6 Carousel insert....................................................................................................................... 132
6.8.7 LINK2sc ................................................................................................................................. 132
6.8.8 DR 6000 website.................................................................................................................... 133
Section 7 Maintenance ....................................................................................................................... 135
7.1 Cleaning requirements.................................................................................................................... 135
7.1.1 Spectrophotometer ................................................................................................................ 135
7.1.2 Display ................................................................................................................................... 135
7.1.3 Cuvettes/cells......................................................................................................................... 136
7.2 Lamp replacement .......................................................................................................................... 136
7.2.1 Open the lamp compartment ................................................................................................. 136
7.2.2 Change halogen lamp............................................................................................................ 137
7.2.3 Change deuterium lamp (UV) ................................................................................................ 138
7.3 Maintain and replace filter pad........................................................................................................ 139
7.4 Replace fuses ................................................................................................................................. 140