Hach Lange DR 3900 User Manual
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Contents
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7Table of contents6.8 System Checks............................................................................................................................... 1116.8.1 Instrument Information ........................................................................................................... 1116.8.2 Update the instrument software ............................................................................................. 1116.8.3 Optical Checks....................................................................................................................... 1126.8.3.1 Verification kit................................................................................................................ 1126.8.3.2 Test solution.................................................................................................................. 1136.8.3.3 Wavelength check......................................................................................................... 1156.8.3.4 Stray light check............................................................................................................ 1156.8.3.5 Absorbance check ........................................................................................................ 1166.8.4 AQA - Analytical Quality Assurance....................................................................................... 1176.8.4.1 AQA Standard configuration ......................................................................................... 1186.8.4.2 AQA Addition ................................................................................................................ 1196.8.4.3 Multiple Determination .................................................................................................. 1206.8.4.4 Dilution .......................................................................................................................... 1216.8.4.5 Performing AQA measurement..................................................................................... 1216.8.4.6 Pipette test set .............................................................................................................. 1216.8.5 Instrument backup ................................................................................................................. 1216.8.6 Service menu ......................................................................................................................... 1236.8.7 Service time ........................................................................................................................... 1236.8.8 Lamps operating time ............................................................................................................ 1236.9 Toolbar............................................................................................................................................ 1246.9.1 Log on .................................................................................................................................... 1246.9.2 Sample ID .............................................................................................................................. 1246.9.3 Timer...................................................................................................................................... 1256.9.4 AQA ....................................................................................................................................... 1256.9.5 Trends.................................................................................................................................... 1256.9.6 Link2SC ................................................................................................................................. 1256.9.7 Website DR 3900................................................................................................................... 126Section 7 Maintenance ....................................................................................................................... 1277.1 Cleaning requirements.................................................................................................................... 1277.1.1 Spectrophotometer ................................................................................................................ 1277.1.2 Display ................................................................................................................................... 1277.1.3 Cuvettes/cells......................................................................................................................... 1277.2 Lamp replacement .......................................................................................................................... 1287.3 Exchange of the replaceable cell compartment.............................................................................. 130Section 8 Troubleshooting................................................................................................................. 133Section 9 Replacement parts............................................................................................................. 1379.1 Accessories .................................................................................................................................... 1379.2 Replacement parts.......................................................................................................................... 138 |
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