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Brookfield Engineering Laboratories, Inc.
BROOKFIELD DIAL VISCOMETER
Operating Instructions
Manual No. M/85-150-N898
Model No. _____________________
Serial No. _____________________
BROOKFIELD ENGINEERING LABORATORIES, INC.
11 Commerce Boulevard, Middleboro, MA 02346-1031 USA
T
508-946-6200
or
EL
F
508-946-6262
I
AX
NTERNET
SPECIALISTS IN THE
MEASUREMENT AND
CONTROL OF VISCOSITY
800-628-8139 (USA excluding MA)
www.brookfieldengineering.com
Page 1
Manual No. M/85-150-N898
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Table of Contents
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Summarization of Contents
Introduction
Components
Lists all parts included with the Dial Viscometer, including stand and manual.
Utilities
Details input voltage, frequency, and power consumption requirements.
Specifications
Outlines instrument speeds, accuracy, repeatability, and weight.
Set-Up Procedure
Step-by-step guide for assembling the stand and mounting the viscometer.
Getting Started
Viscometer Operation
Explains how to operate the viscometer, change speeds, and use the clutch.
Readings and Calculations
Details how to attach spindles, take readings, and convert them to viscosity.
Measurement Considerations
Discusses factors affecting measurement accuracy like torque range and flow conditions.
Appendix A - Cone/Plate Viscometer Setup
Cone/Plate Gap Adjustment
Describes how to mechanically adjust the gap between the cone and plate.
Gap Setting Fine-Tuning
Details the precise adjustment of the gap using the adjustment ring.
Hit Point Identification
Explains identifying the 'hit point' for accurate gap setting.
Final Gap Separation
Describes creating the final 0.0005" separation after marking.
Sample Volume and Cone Geometry
Specifies sample volumes for different cones and cone angles.
Cone/Plate Calibration Procedure
Outlines the steps for calibrating the cone/plate viscometer with standard fluids.
Cone/Plate Mathematical Relationships
Presents the mathematical formulas for shear stress, shear rate, and viscosity.
Appendix B - Viscosity Ranges
LV Series Viscosity Ranges
Lists viscosity ranges for LV series viscometers with spindles #1 through #4.
RV/HA/HB Series Viscosity Ranges
Lists viscosity ranges for RV, HA, HB series viscometers with spindles #1 through #7.
Small Sample Adapter & Thermosel Ranges
Provides viscosity ranges for measurements using the Small Sample Adapter and Thermosel.
UL Adapter Viscosity Ranges
Details viscosity ranges for the UL Adapter with different spindles.
Cone/Plate Viscometer Ranges
Shows viscosity ranges for cone/plate configurations with specific cones.
Helipath T-Bar Spindle Ranges
Lists viscosity ranges for Helipath stand with T-Bar spindles.
Appendix C - Variables in Viscosity Measurements
Rheological Properties of Fluids
Explains Newtonian and Non-Newtonian fluid behaviors and their measurement implications.
Time Independent Non-Newtonian Behavior
Describes pseudoplastic fluids and how their viscosity changes with shear rate.
Time Dependent Non-Newtonian Behavior
Describes thixotropic fluids and how their viscosity changes over time.
Viscometer Related Variables
Discusses how instrument factors like spindle and geometry affect readings.
Appendix D - Calibration Procedures
Viscosity Standard Fluids
Lists available silicone viscosity standard fluids for calibration.
Standard Fluid Handling
Provides recommendations for standard fluid usage, storage, and replacement.
Calibration Test Result Interpretation
Explains how to combine instrument and fluid errors to determine total allowable error.
Spindle Calibration Procedure
Details calibration steps for standard LV, RV, HA, HB spindles in a beaker.
Small Sample Adapter Calibration
Outlines the calibration process when using a Small Sample Adapter.
Thermosel System Calibration
Describes the calibration procedure for the Thermosel System.
UL/DIN UL Adapter Calibration
Details calibration steps for UL and DIN UL Adapters.
Helipath T-Bar Spindle Calibration
Explains calibration when using a Helipath Stand and T-Bar spindles.
Spiral Adapter Calibration
Outlines the calibration procedure for the Spiral Adapter.
Cone/Plate Calibration Steps
Details calibration steps for Cone/Plate Viscometer using standard fluids.
Appendix E - Laboratory Stand and Parts
Laboratory Stand Unpacking
Instructions for checking received components of the laboratory stand.
Model A Clamp Assembly
Lists parts and part numbers for the Model A clamp assembly.
Model A-E Clamp Assembly
Lists parts and part numbers for the Model A-E clamp assembly (explosion-proof).
Laboratory Stand Assembly
Step-by-step guide for assembling the laboratory stand base, rod, and nut.
Viscometer Mounting on Stand
Instructions for attaching the viscometer to the clamp assembly.
Explosion Proof Viscometer Mounting
Specific mounting instructions for explosion-proof viscometers.
Laboratory Stand Operation
How to adjust the viscometer height using the stand's gear screw.
Appendix F - Fault Diagnosis and Troubleshooting
Spindle Not Rotating Troubleshooting
Checks for common causes when the viscometer spindle fails to rotate.
Spindle Wobble Troubleshooting
Steps to diagnose and resolve spindle wobbling or bending issues.
Oscillation Check Procedure
Guide for performing an oscillation check to test instrument health.
Inaccurate Readings Troubleshooting
Steps to take when experiencing inaccurate viscosity readings.
Appendix G - Warranty Repair and Service
Product Warranty Information
Details the one-year warranty against defects in materials and workmanship.
Instrument Shipping Instructions
Guidelines for packing and shipping the viscometer for service.
US Service Contact Information
Contact details for repair and service within the United States.
International Service Contact
Information for obtaining service outside the United States.
UK Service Contact Information
Contact details for repair and service in the United Kingdom.
Germany Service Contact Information
Contact details for repair and service in Germany.
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