Hach-Lange DR 2800 eco - Manual (Page 7)

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Table of Contents
Section 6 Advanced Operations ......................................................................................................................... 65
6.1 User Programs (DR 2800 only) ........................................................................................................................ 65
6.1.1 Programming a user method .................................................................................................................. 66
6.1.2 Single Wavelength and Multi Wavelength programs .............................................................................. 67
6.1.3 "Free programming" program type .......................................................................................................... 75
6.1.3.1 Measurement Process ................................................................................................................ 75
6.1.3.2 Entering a new element of a measuring sequence ..................................................................... 76
6.1.3.3 Calibration formula (evaluation formula) ..................................................................................... 78
6.1.3.4 Variables ..................................................................................................................................... 81
6.1.3.5 Saving the freely programmed user program ............................................................................. 82
6.1.4 Selecting a user program ........................................................................................................................ 82
6.1.5 Adding user programs to the favorites list, editing and deleting user programs ..................................... 82
6.1.5.1 Add to Favorites .......................................................................................................................... 83
6.1.5.2 Edit .............................................................................................................................................. 83
6.1.5.3 Delete ......................................................................................................................................... 83
6.2 Standard Addition – Monitoring/Checking Results (DR 2800 only) .................................................................. 84
6.2.1 Carrying out a standard addition ............................................................................................................. 85
6.3 Single Wavelength (absorbance, concentration and transmittance measurements; DR 2800 only) ............... 89
6.3.1 Setting Up Single Wavelength Mode ...................................................................................................... 89
6.3.2 Taking Single Wavelength Measurements ............................................................................................. 91
6.4 Multi-wavelength mode – measurements at more than one wavelength (DR 2800 only) ................................ 92
6.4.1 Setting the reading mode at different wavelengths ................................................................................. 92
6.4.2 Carrying out a measurement in the Multi Wavelength mode .................................................................. 95
6.5 Time Course of absorbance/transmittance (DR 2800 only) ............................................................................. 96
6.5.1 Time Course Setup Parameters ............................................................................................................. 96
6.5.2 Time Course Scan Reading .................................................................................................................... 97
6.5.3 Analysis of Time Course Data ................................................................................................................ 98
6.5.3.1 Navigating in the graph of a time scan or a time scan analysis .................................................. 99
6.6 System Check ................................................................................................................................................ 100
6.6.1 Instrument Information .......................................................................................................................... 100
6.6.2 Upgrading the Instrument Software ...................................................................................................... 101
6.6.3 Optical Checks ...................................................................................................................................... 101
6.6.4 Output Checks ...................................................................................................................................... 102
6.6.5 Lamp History ......................................................................................................................................... 102
6.6.5.1 Factory Service ......................................................................................................................... 102
6.7 Favorite Programs (DR 2800 only) ................................................................................................................ 103
6.7.1 Recalling a Favorite Program ............................................................................................................... 103
6.7.2 Deleting a Favorite Program ................................................................................................................. 103
Section 7 Maintenance ...................................................................................................................................... 105
7.1 Cleaning the instrument and cuvettes/cells ................................................................................................... 105
7.1.1 Spectrophotometer ............................................................................................................................... 105
7.1.2 Display .................................................................................................................................................. 105
7.1.3 Cuvettes/cells (DR 2800 only) .............................................................................................................. 105
7.1.3.1 Glas cuvette .............................................................................................................................. 105
7.1.3.2 Pour-Thru Cell .......................................................................................................................... 106
7.2 Inserting or changing the battery (DR 2800 only) .......................................................................................... 107
7.2.1 Information about using the battery ...................................................................................................... 108
7.2.1.1 Recycling the lithium battery ..................................................................................................... 108
7.2.1.2 Optimal operation of the battery ............................................................................................... 109
7.2.1.3 Lifespan of the battery .............................................................................................................. 109
7.2.1.4 Loading the battery/Operating time .......................................................................................... 110
7.3 Changing of lamp ........................................................................................................................................... 111