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TABLE OF CONTENTS

TABLE OF CONTENTS ................................................................ 3

CERTIFICATION ............................................................................ 5

SAFETY PRECAUTIONS ............................................................. 7

SPECIFICATIONS .......................................................................... 9

OPERATION ....................................................................................11

SECTION 1 DESCRIPTION....................................................... 13

1.1 General Description....................................................................... 13

1.2 Accessories .................................................................................... 14

1.3 Principle of Operation ................................................................... 14

1.4 Preparation for Use........................................................................ 15

1.4.1 Unpacking ............................................................................ 15

1.4.2 Battery Installation............................................................... 15

1.4.3 Using the Battery Eliminator and Rechargeable Batteries... 16

1.4.4 Calibration............................................................................ 16

SECTION 2 TURBIDITY MEASUREMENT ........................ 19

2.1 Operating Controls and Indicators................................................. 19

2.2 Turbidity Measurement ................................................................. 19

2.2.1 Turbidity Measurement Procedure....................................... 20

2.2.2 Measurement Notes ............................................................. 22

2.3 Measurement Techniques .............................................................. 22

2.3.1 Cleaning Sample Cells......................................................... 23

2.3.2 Oiling the Sample Cell......................................................... 23

2.3.3 Orienting Sample Cells........................................................ 24

2.3.4 Matching multiple sample cells ........................................... 26

2.3.5 Removing Bubbles (Degassing)........................................... 28

2.3.6 Measuring Overrange Samples ............................................ 31

2.3.7 Condensation (fogging) ....................................................... 31

2.3.8 Calibration............................................................................ 31

2.3.9 Representative Sampling...................................................... 32

Hach 2100P User Manual

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