Hach 2100N - Page 4

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TABLE OF CONTENTS, continued
SECTION 3 OPERATION ...................................................................................................................................... 33
3.1 Operational Controls and Indicators.......................................................................................................................... 33
3.1.1 Using the RANGE Key...................................................................................................................................... 35
3.1.2 Using the UNITS/EXIT Key ............................................................................................................................... 35
3.1.3 Using the SIGNAL AVG Key ............................................................................................................................. 35
3.1.4 Using the RATIO key......................................................................................................................................... 35
3.1.5 Using the PRINT Key........................................................................................................................................ 36
3.1.6 Using the CAL Key ........................................................................................................................................... 36
3.1.7 Using the ENTER Key ...................................................................................................................................... 36
3.1.8 Using the ARROW Keys .................................................................................................................................. 36
3.1.9 Key Annunciator Tone (Beeper) ...................................................................................................................... 36
3.2 Calibration ................................................................................................................................................................. 37
3.2.1 Formazin Stock Solution.................................................................................................................................. 37
3.2.2 Dilution Water .................................................................................................................................................. 37
3.2.3 Preparing Recommended Formazin Dilutions ................................................................................................ 38
3.2.4 Calibrating the 2100N (with Formazin standard) ........................................................................................... 39
3.2.4.1 Reviewing Calibration Sequence ........................................................................................................42
3.2.5 Using Gelex
®
Secondary Turbidity Standards ................................................................................................ 42
3.2.6 Formulating Formazin Stock Solution............................................................................................................. 43
3.3 Special Research Applications (Not Recommended)................................................................................................ 44
3.3.1 Ignoring Dilution Water ................................................................................................................................... 44
3.3.2 Editing Calibration Data Points........................................................................................................................ 44
3.3.3 Preparing Formazin Dilutions — User Selected ............................................................................................. 44
3.3.4 Calibrating the 2100N (User Selected Standards) ........................................................................................... 45
INSTALLATION/MAINTENANCE ......................................................................................................................47
SECTION 4 AIR PURGE SYSTEM ..................................................................................................................... 49
4.1 Air Purge Connection ................................................................................................................................................ 49
SECTION 5 USING FLOW-CELL SYSTEM APPARATUS ......................................................................... 51
5.1 Description................................................................................................................................................................. 51
5.2 Low-Pressure Flow-Cell Kits .................................................................................................................................... 52
5.2.1 Manual Low-Pressure Flow-Cell Kit ............................................................................................................... 53
5.2.1.1 Assembling The Support Stand ...........................................................................................................54
5.2.1.2 Assembling The Flow Cell...................................................................................................................54
5.2.1.3 Connecting Inlet And Outlet Tubing ...................................................................................................55
5.2.1.4 Using the Manual Flow-Cell Kit..........................................................................................................55
5.2.2 Automated Low-Pressure Flow-Cell Kit ......................................................................................................... 56
5.2.2.1 Connecting Inlet and Outlet Tubing ....................................................................................................57
5.2.2.2 Using the Automated Flow-Cell Kit ...................................................................................................57
5.2.3 Tips For Use of Low-Pressure Flow-Cell Kits ................................................................................................ 58
5.3 High-Pressure Flow-Cell Kit ..................................................................................................................................... 58
5.4 Flow-Cell Maintenance.............................................................................................................................................. 62
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Tài liệu sưu tầm của Trung Sơn - www.tschem.com.vn - 028.3811.9991 - info@tschem.com.vn