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Brookfield DV-III ULTRA User Manual

Brookfield DV-III ULTRA
133 pages
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Brookeld Engineering Laboratories, Inc. Page 1 Manual No. M98-211-E0912
BROOKFIELD DV-III ULTRA
Programmable Rheometer
Operating Instructions
Manual No. M98-211-E0912
SPECIALISTS IN THE
MEASUREMENT AND
CONTROL OF VISCOSITY
TEL 508-946-6200
F
AX 508-946-6262
or 800-628-8139 (USA excluding MA)
I
NTERNET
http://www.brookfieldengineering.com
BROOKFIELD ENGINEERING LABORATORIES, INC.
11 Commerce Boulevard, Middleboro, MA 02346 USA
with offices in
:
BostonChicagoLondonStuttgartGuangzhou

Table of Contents

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Brookfield DV-III ULTRA Specifications

General IconGeneral
TypeRotational Viscometer
DisplayLCD
InterfaceRS-232
Power Supply100-240 VAC, 50/60 Hz
Speed Range0.01 - 250 RPM
Accuracy±1% of full scale range
Repeatability±0.2% of full scale range
ConnectivityUSB

Summary

Introduction to the DV-III Ultra Rheometer

Torque Measurement

Explains the four basic spring torque models offered by Brookfield for viscosity measurement.

Yield Stress Measurement

Defines yield point and explains the instrument's yield stress test feature.

Instrument Components

Lists all components of the DV-III Ultra Rheometer and their part numbers.

Safety Symbols and Precautions

Explains safety symbols and provides essential precautions for instrument operation.

Initial Setup Procedures

Guides the user through the initial setup and connections for the DV-III Ultra Rheometer.

Getting Started with the DV-III Ultra

Autozero Procedure

Describes the essential auto-zeroing process required before taking readings.

Spindle Selection and Entry

Details how to select and enter the correct spindle number for measurements.

Direct Speed Entry Method

Explains how to directly input the rotational speed for the test.

Preventative Maintenance Guidelines

Provides recommendations for maintaining the instrument's performance and longevity.

Performing Viscosity and Yield Measurements

Quick Start Guide

Provides step-by-step instructions for quickly taking viscosity and yield readings.

Measurement Preparation Steps

Covers essential preparations for the rheometer, sample, and spindle attachment.

Spindle and Speed Selection

Guides users on selecting appropriate spindles and speeds for accurate measurements.

Advanced Operations: Programming, Data Collection & Analysis

DV-III Speed/Time Pair Programs

Explains how to create and execute programs using speed and time pairs for viscosity tests.

Data Analysis for Viscosity Tests

Details how to analyze collected viscosity data using various math models.

Math Models for Data Analysis

Describes specific math models like Power Law, Herschel-Bulkley, Bingham, and Casson.

Yield Stress Test Programs

Explains how to create and run yield test programs using EZ-Yield software.

DV-III Ultra Options Menu

Set Up Options

Covers changing temperature units, viscosity units, and communication status.

Alarm Settings

Details how to set LO ALARM, HI ALARM, and MOTOR OFF % torque values.

Timed Data Collection Methods

Explains methods for collecting data based on time intervals: Time to Torque, Timed Stop, Timed Average.

Cone/Plate Rheometer Setup Guide

Electronic Gap Setting Features

Describes the features enabling easy adjustment of the gap for Cone/Plate rheometers.

Setting the Cone/Plate Gap

Provides step-by-step instructions for setting the precise gap for Cone/Plate measurements.

Verifying Cone/Plate Calibration

Guides on using viscosity standards to verify the calibration of Cone/Plate setups.

Viscosity Ranges and Spindle Selection

Universal Spindle Ranges

Lists spindle range coefficients for various rheometer series and spindles.

Small Sample Adapter Viscosity Ranges

Details viscosity ranges for spindles used with the Small Sample Adapter.

Cone/Plate Rheometer Viscosity Ranges

Provides viscosity ranges for Cone/Plate rheometer configurations.

Calibration Check Procedures

Standard Spindle Calibration Procedure

Outlines the steps for verifying instrument calibration using standard fluids.

Interpreting Calibration Test Results

Explains how to interpret calibration results and allowable error ranges.

Troubleshooting Common Issues

Troubleshooting: Spindle Not Rotating

Provides steps to diagnose and resolve issues with the spindle not rotating.

Troubleshooting: Inaccurate Readings

Offers solutions for common causes of inaccurate viscosity or stress readings.

Troubleshooting: PC Communication Errors

Guides users on resolving problems when the rheometer cannot communicate with a PC.

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