Hach 1950Plus Instrument Manual page 4

Table of Contents
Section 3 Preparing Reagents and Calibration Standards ............................................................................... 49
3.1 Types of Fluids .................................................................................................................................................. 49
3.2 Recommended Tools and Materials.................................................................................................................. 49
3.3 Obtaining DI Water............................................................................................................................................ 49
3.4 Preparing Calibration Standards ....................................................................................................................... 50
3.4.1 Organic Calibration Standards ................................................................................................................ 50
3.5 Preparing Phosphoric Acid Solution ................................................................................................................. 50
3.6 Preparing Sodium Persulfate Solution .............................................................................................................. 52
3.7 Preparing the Cleaning Solution ....................................................................................................................... 52
3.8 Storage and Handling Tips................................................................................................................................ 53
Section 4 Commissioning the Analyzer.............................................................................................................. 55
4.1 Precomissioning Requirements ........................................................................................................................ 55
4.2 Start-up Instructions ......................................................................................................................................... 55
4.2.1 Start the Liquids and Gas Flowing........................................................................................................... 55
4.2.2 Run a Validation ...................................................................................................................................... 57
4.3 Analyzer Adjustments ....................................................................................................................................... 57
Operation ............................................................................................................................................................... 61
Section 5 Setup and System Configuration ....................................................................................................... 63
5.1 Setup Menu Structure ....................................................................................................................................... 63
5.2 Setup Menu....................................................................................................................................................... 63
5.2.1 Level Criteria Screen ............................................................................................................................... 63
5.2.2 Auto Options Screen................................................................................................................................ 68
5.2.3 Timing Screen ......................................................................................................................................... 69
5.2.4 Periods Screen ........................................................................................................................................ 72
5.2.5 Time/Date screen .................................................................................................................................... 74
5.2.6 Mapping................................................................................................................................................... 75
5.2.7 Serial Menu ............................................................................................................................................. 80
5.2.8 Tolerances Screen ................................................................................................................................... 83
5.2.9 Language Screen .................................................................................................................................... 85
5.2.10 Analyzer Screen .................................................................................................................................... 86
5.2.11 EPA Main Operating Screen .................................................................................................................. 86
5.2.12 Stream Screens..................................................................................................................................... 87
5.2.13 Loss of Flow .......................................................................................................................................... 87
5.3 Analyzer Hardware Configuration ..................................................................................................................... 88
5.4 Application Screens .......................................................................................................................................... 88
Section 6 Operation .............................................................................................................................................. 89
6.1 Front Panel........................................................................................................................................................ 89
6.2 Display .............................................................................................................................................................. 89
6.3 Operation Menu Structure................................................................................................................................. 90
6.4 Keypad .............................................................................................................................................................. 91
6.4.1 Single Button Presses ............................................................................................................................. 91
6.4.2 Dual Button Presses................................................................................................................................ 91
6.5 Status Indicators ............................................................................................................................................... 91
6.6 Power Interruption ............................................................................................................................................. 92
6.7 Operating Screens ............................................................................................................................................ 92
6.7.1 Dual Stream Operating Screen ............................................................................................................... 92
6.7.2 Analyzer Status Display Options ............................................................................................................. 92
6.7.3 Alternative Screens ................................................................................................................................. 93
6.7.4 Main Operating Screen............................................................................................................................ 94
6.8 Navigating the Menus and Screens .................................................................................................................. 94
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Table of Contents
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