Brookfield Falling Ball KF20 - Manual (Page 2)

Brookfield Engineering Labs., Inc. Page 2 Manual No. M09-352-B04
Table of Contents
I. INTRODUCTION ..............................................................................................................3
I.1 Components .......................................................................................................................................3
I.2 Specifications .....................................................................................................................................4
I.3 Details on Viscosity Measurement Range .........................................................................................5
I.4 Description of the Equipment ............................................................................................................5
I.5 Safety Symbols and Precautions .......................................................................................................9
I.6 Cleaning .............................................................................................................................................9
II. GETTING STARTED ...................................................................................................10
II.1 Choice of Balls ...............................................................................................................................10
II.2 Filling the Sample Tube .................................................................................................................10
II.3 Temperature Control of the Sample ...............................................................................................11
II.4 Measuring the Falling Time ...........................................................................................................12
III.CALCULATIONS ..........................................................................................................13
III.1 Dynamic Viscosity ..........................................................................................................................13
III.2 Kinetmatic Viscosity .......................................................................................................................14
IV. DETERMINATION OF THE NON-NEWTONIAN BEHAVIOR ...........................15
IV.1 Thixotrophy/Rheopexy ...................................................................................................................15
IV.2 Structural Viscosity (Pseudoplasticity and Dilantancy) .................................................................15
Appendix A - Maintenance .....................................................................................................16
A.1 Exchanging the Sample Tube ............................................................................................................16
A.2 Exchanging the Water Bath Jacket .....................................................................................................16
A.3 Exchanging the Ball or the Viscometer .............................................................................................16
Appendix B - Calibration of the Ball Constants ........................................................................17
Appendix C - Warranty Repair and Service ..............................................................................18