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Brookfield DV-II+ User Manual

Brookfield DV-II+
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BROOKFIELD DIGITAL VISCOMETER
MODEL DV-II+
Operating Instructions
Manual No. M/92-161-I496
BROOKFIELD ENGINEERING LABORATORIES, INC.
240 Cushing Street, Stoughton, MA 02072 USA
Phone: 617-344-4310/4313 800-628-8139 (U.S. except MA); Fax: 617-344-7141
Telex: 924497 BRENLAB STOU (Western Union); 200195 BEL (RCA)
Advanced Test Equipment Rentals
www.atecorp.com 800-404-ATEC (2832)
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Brookfield DV-II+ Specifications

General IconGeneral
ModelDV-II+
Accuracy±1.0% of range
Repeatability±0.2%
Power Requirements100-240 VAC, 50/60 Hz
TypeViscometer
Torque Range0.067 to 7.187 mNm
DisplayDigital
Spindle TypesRV, HA, HB
Weight5.5 kg (12 lbs)
Speed Range0.3 to 100 RPM
Dimensions14 x 12 x 18 inches

Summary

I. INTRODUCTION

I.1 Components

Lists the physical parts included with the DV-II+ viscometer.

I.2 Utilities

Details electrical requirements, input voltage, frequency, and power consumption.

I.3 Specifications

Outlines technical specifications like speed ranges, weight, and temperature sensing.

I.4 Set-Up

Step-by-step instructions for physically assembling and leveling the viscometer.

I.5 Key Functions

Explains the purpose and operation of each control key on the viscometer's front panel.

II. GETTING STARTED

II.1 Autozero

Procedure for initializing the viscometer upon power-up.

II.2 Spindle Selection

Guide on how to select and enter the correct code for the installed spindle.

II.3 Speed Selection & Setting

Instructions for choosing and setting the rotational speed for measurements.

II.4 Display Selection

How to cycle through and view different measurement parameters on the display.

II.5 Autorrange and CGS or SI Units Selection

How to set the automatic range for viscosity and select measurement units.

II.6 Out of Range

Explains how the viscometer indicates over-range or under-range conditions.

II.7 Temperature Display

Details how temperature is measured and displayed in Celsius or Fahrenheit.

II.8 Printing

Configuration and operation of the printing function for data output.

II.9 Operation

General procedure for performing viscosity measurements with the instrument.

II.10 Timed Modes for Viscosity Measurement

How to use Timed Stop and Time to Torque functions for automated measurements.

APPENDIX A - Cone/Plate Viscometer Set-Up

Appendix B - Viscosity Ranges

Appendix C - Variables in Viscosity Measurements

Rheological Properties

Explanation of Newtonian and Non-Newtonian fluid behaviors.

Viscometer Related Variables

Factors related to the instrument and geometry affecting viscosity readings.

Appendix D - Spindle and Model Codes

Appendix E - Calibration Procedures

General Calibration Information

Guidelines for using and maintaining viscosity standard fluids.

Standard Calibration Procedures

Steps for calibrating the viscometer with various accessories and spindle types.

Interpretation of Calibration Test Results

How to interpret calibration results and determine instrument accuracy.

Appendix F - Special Speed Sets

Appendix G - Communications

DV-II+ Serial and Analog Outputs

APPENDIX H - Model A Laboratory Stand

Unpacking

Instructions for checking received components of the lab stand.

Assembly

Step-by-step guide for assembling the Model A Laboratory Stand.

Viscometer Mounting

Instructions on how to securely mount the viscometer onto the stand.

Appendix I - DVE-50 Probe Clip

Appendix J - Fault Diagnosis and Troubleshooting

Spindle Issues

Troubleshooting for spindle rotation problems like not rotating or rotating eccentrically.

Display Issues

Solutions for no display, over-range, unstable, or non-zero readings.

Inaccurate Readings and Recorder Issues

Addressing inaccurate measurements and problems with recorder response or pen movement.

Appendix K - Warranty Repair and Service

Warranty

Details the warranty coverage and terms for the viscometer.

United States Service Information

Contact information for obtaining service within the USA.

United Kingdom Service Information

Contact information for obtaining service in the UK.

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