Brookfield DV-I Prime - Manual (Page 3)

TABLE OF CONTENTS
I. INTRODUCTION ..................................................................................................5
I.1 Components .................................................................................................................................................6
I.2 Utilities ............................................................................................................................................................7
I.3 Components and Dimensions ...............................................................................................................8
I.4 Specifications ............................................................................................................................................ 10
I.5 Setup ............................................................................................................................................................ 11
I.6 Safety Symbols and Precautions ........................................................................................................ 11
I.7 Key Functions ............................................................................................................................................ 12
I.8 Preventative Maintenance and Cleaning ........................................................................................ 13
II. GETTING STARTED ............................................................................................14
II.1 Auto Zero .................................................................................................................................................... 14
II.2 Spindle Selection ..................................................................................................................................... 15
II.2.1 Spindle Selection for Models WITHOUT Temperature Display .................................... 15
II.2.2 Spindle Section for Models WITH Temperature Display ................................................. 16
II.3 Speed Selection & Setting .................................................................................................................... 17
II.4 Autorange .................................................................................................................................................. 18
II.5 CGS or SI Units Selection ....................................................................................................................... 19
II.6 Temperature Display in °F or °C .......................................................................................................... 19
II.7 Out of Range ............................................................................................................................................. 19
II.8 Operation ................................................................................................................................................... 20
II.9 Timed Modes for Viscosity Measurement ....................................................................................... 21
II.9.1 Set Up ............................................................................................................................................... 21
II.9.2 Timed Stop ...................................................................................................................................... 21
II.9.3 Time to Torque ............................................................................................................................... 23
II.9.4 Temperature Offset ...................................................................................................................... 25
II.10 Print Modes ............................................................................................................................................. 26
II.11 Communication with Wingather Software ................................................................................. 27
II.12 Math Models .......................................................................................................................................... 31
II.12.1 The Power Law (Ostwald) Model .......................................................................................... 31
II.12.2 The Herschel-Bulkley Model .................................................................................................. 32
II.12.3 The Bingham Model .................................................................................................................. 34
II.12.4 The Casson Model ...................................................................................................................... 35
II.12.5 Other Common Rheological Models .................................................................................. 37
III. MAKING VISCOSITY MEASUREMENTS ...........................................................39
III.1 Quick Start ................................................................................................................................................. 39
III.2 Preparations for Making Measurements ...................................................................................... 39
III.3 Selecting a Spindle/Speed ................................................................................................................. 40
III.4 Multiple Data Points ............................................................................................................................. 40