Brookfield DV-I+ Series User Manual

Brookfield Engineering Laboratories, Inc. Page 1 Manual No. M/92-021-N0902
BROOKFIELD DIGITAL VISCOMETER
MODEL DV-I+
Operating Instructions
Manual No. M/92-021-N0902
Please record the Model and Serial Number of your viscometer.
Having this information readily available will help us to assist you
should there be any questions regarding your instrument.
Model No.
Serial No.
SPECIALISTS IN THE
MEASUREMENT AND
CONTROL OF VISCOSITY
TEL 800-628-8139 or 508-946-6200 FAX 508-946-6262
www.brookfieldengineering.com
BROOKFIELD ENGINEERING LABORATORIES, INC.
11 Commerce Boulevard, Middleboro, MA 02346-1031 USA

Brookfield DV-I+ Series Specifications

General

Brand	Brookfield
Model	DV-I+ Series
Category	Measuring Instruments
Language	English

Summary

I. INTRODUCTION

I.1 Components

Lists all parts included with the DV-I+ Viscometer and its accessories.

I.2 Utilities

Details power requirements, input voltage, frequency, and power cord color codes.

I.3 Specifications

Outlines technical specifications including speeds, weight, temperature range, accuracy, and certifications.

I.4 Set-Up

Provides step-by-step instructions for assembling the laboratory stand and mounting the viscometer.

I.5 Safety Symbols and Precautions

Explains safety symbols and lists crucial precautions for safe operation of the instrument.

I.6 Key Functions

Describes the function of each control key on the DV-I+ Viscometer's front panel.

I.7 Cleaning

Details the proper procedures for cleaning the instrument and its components.

II. GETTING STARTED

II.1 Auto Zero

Guides the user through the automatic zeroing procedure required before taking measurements.

II.2 Spindle Selection

Explains how to select and attach the correct spindle for viscosity measurements.

II.3 Speed Selection & Setting

Details how to choose and set the rotational speed for the viscometer.

II.4 Autorange

Describes the function of the Autorange key to determine the maximum viscosity reading.

II.5 CGS or SI Units Selection

Instructs on how to switch between CGS and SI units for viscosity display.

II.6 Temperature Display in °F or °C Selection

Guides the user on changing the temperature display format between Fahrenheit and Centigrade.

II.7 Out of Range

Explains how the viscometer indicates readings outside the recommended 10%-100% torque range.

II.8 Operation

Provides the procedure for making a viscosity measurement using a 600 ml beaker.

II.9 Timed Modes for Viscosity Measurement

Introduces Timed Stop and Time to Torque features for automated testing.

Appendix A - Cone/Plate Viscometer Set-Up

A.1 ELECTRONIC GAP SETTING FEATURES

Details the features for electronic gap setting, including toggle switch, pilot light, contact light, and adjustment rings.

A.2 SETUP

Provides instructions for setting up the cone/plate viscometer, including water bath and spindle attachment.

A.3 SETTING THE GAP

Explains the step-by-step process to set the electronic gap for cone/plate measurements.

A.4 VERIFYING CALIBRATION

Outlines the procedure to verify the calibration using viscosity standard fluids.

Appendix B - Viscosity Ranges

Appendix C - Variables in Viscosity Measurement

Appendix D - Spindle and Model Codes

Appendix E - Calibration Procedures

Appendix F - Special Speed Sets

Appendix G - Communications

Appendix H - Model S Laboratory Stand with Parts Identification*

Model A Laboratory Stand**

Appendix I - DVE-50 Probe Clip

Appendix J - Fault Diagnosis and Troubleshooting

Spindle Does Not Rotate

Checks to ensure the spindle is properly connected and the viscometer is powered on.

Spindle Wobbles When Rotating or Looks Bent

Addresses issues with spindle straightness, coupling, and alignment.

Perform an Oscillation Check

Details a procedure to check the viscometer coupling for proper oscillation and zeroing.

Appendix K - Warranty Repair and Service

Packaging Instructions to Return a Viscometer for Repair or Calibration

Provides instructions on how to properly pack the viscometer for return shipment.

Appendix L - Viscosity Test Report