Fann Rheovadr User Manual
RheoVADR™ Rheometer
Instruction Manual
Manual No. D00845847, Revision A
Instrument No. 102267855
RheoVADR™ Rheometer Instruction Manual
©2014 Fann Instrument Company
Houston, Texas, USA
All rights reserved. No part of this work covered by the copyright hereon may be reproduced or
copied in any form or by any means (graphic, electronic, or mechanical) without first receiving the
written permission of Fann Instrument Company, Houston, Texas, USA.
Printed in USA.
The information contained in this document includes concepts, methods, and apparatus which may be
covered by U.S. Patents. Fann Instrument Company reserves the right to make improvements in
design, construction, and appearance of our products without prior notice.
®
FANN
States and/or other countries. All other trademarks mentioned in the operating instructions are the
exclusive property of the respective manufacturers.
and the FANN logo are registered trademarks of Fann Instrument Company in the United
Contact FANN
Phone
TELEPHONE: 281-871-4482
TOLL FREE: 800-347-0450
FAX: 281-871-4358
Mail
Fann Instrument Company
P.O. Box 4350
Houston, Texas, 77210 USA
Location
Fann Instrument Company
14851 Milner Road, Gate 5
Houston, Texas, 77032, USA
Online
www.fann.com
fannmail@fann.com
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RheoVADR™ Rheometer Instruction Manual
Table of Contents
1 Introduction .............................................................................................................. 5
1.1 Document Conventions .................................................................................... 5
2 Safety ....................................................................................................................... 7
2.1 Safe Electrical Operation .................................................................................. 7
2.2 Heated Sample Cup ......................................................................................... 7
3 Features and Specifications ..................................................................................... 8
4 Installation .............................................................................................................. 11
5 Operation ............................................................................................................... 12
5.1 Instrument Start-up ........................................................................................ 14
5.2 Manual Operating Instructions ........................................................................ 16
5.3 API Test Profile .............................................................................................. 18
5.4 Set-up Mode .................................................................................................. 22
6 Troubleshooting and Maintenance ......................................................................... 26
7 Accessories ............................................................................................................ 27
8 Parts List ................................................................................................................ 28
9 Warranty and Returns ............................................................................................ 31
9.1 Warranty ........................................................................................................ 31
9.2 Returns .......................................................................................................... 31
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RheoVADR
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Rheometer Instruction Manual
List of Figures
Figure 3-1 RheoVADR™ Rheometer (front and back) ...................................................... 8
Figure 5-1 RheoVADR
Figure 5-2 Start Up Message ........................................................................................ 14
Figure 5-3 System Information ...................................................................................... 14
Figure 5-4 Data Display ................................................................................................ 15
Figure 5-5 API Test Profiles (pages 1 and 2) ................................................................ 18
Figure 5-6 Data Display in API Test Mode .................................................................... 19
Figure 5-7 SETUP Mode (page 1) ................................................................................ 22
Figure 5-8 SETUP Mode (page 2) ................................................................................ 22
Figure 5-9 Select Calibration......................................................................................... 24
Figure 5-10 Fluid Calibration ......................................................................................... 24
Figure 8-1 RheoVADR
™
Rheometer Keypad ................................................................ 12
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Rheometer Assembly ............................................................. 30
List of Tables
Table 3-1 RheoVADR
Table 3-2 Rotor and Bob Dimensions .......................................................................... 10
Table 3-3 Rotor-Bob Specifications............................................................................... 10
Table 3-4 Range of Environmental Conditions .............................................................. 10
Table 5-1 RheoVADR
Table 5-2 API Six Speed & Gel .................................................................................... 19
Table 5-3 API PV/YP & Gel......................................................................................... 20
Table 5-4 API Gel ........................................................................................................ 20
Table 5-5 API Cement .................................................................................................. 21
Table 7-1 Accessories for RheoVADR
Table 8-1 RheoVADR
™
Rheometer, P/N 102267855 Specifications ............................... 9
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Keypad Functions .................................................................... 13
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Rheometer ..................................................... 27
™
Rheometer, P/N 102267855, Revision B ................................. 28
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RheoVADR
1 Introduction
The RheoVADR™ Variable Automated Digital Rheometer is the latest addition to
the Fann viscometer family. RheoVADR™ is a direct-reading instrument for
evaluating the rheological properties of fluids, Newtonian and non-Newtonian. The
advantages of the RheoVADR™ are its digital display, pre-programmed API tests,
data recording feature, and speed range — 12 preset and variable speeds from 0.01
rpm to 999 rpm.
This design includes a R1 Rotor Sleeve, B1 Bob, F1 Torsion Spring, and a stainless
steel sample cup for testing according to American Petroleum Institute
Recommended Practice for Field Testing Water Based Drilling Fluids, API RP
13B-1/ISO 10414-1 Specification. This instrument is also fitted for universal power
supply.
1.1 Document Conventions
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Rheometer Instruction Manual
The following icons are used as necessary in this instruction manual.
NOTE. Notes emphasize additional information that may be
useful to the reader.
CAUTION. Describes a situation or practice that requires operator
awareness or action in order to avoid undesirable consequences.
MAN D AT O R Y AC TION . Gives directions that, if not observed,
could result in loss of data or in damage to equipment.
WARNING! Describes an unsafe condition or practice that if not
corrected, could result in personal injury or threat to health.
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RheoVADR
ELECTRICITY WARNING! Alert s t he operator that there is risk of
electric shock.
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Rheometer Instruction Manual
HOT SURFACE! Alerts the operator that there is a hot surface and
that there is risk of getting burned if the surface is touched.
EXPLOSION RISK! Alerts the operator that there is risk of
explosion.
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RheoVADR™ Rheometer Instruction Manual
2 Safety
Safe laboratory practices and procedures should be observed while operating and
maintaining the RheoVADR™ Rheometer. This section lists some precautions to
follow.
2.1 Safe Electrical Operat i on
This instrument is driven by 100V to 240V, 50/60 Hz electrical power. Heated
sample cups and recirculating sample cups (optional) are electrically heated.
Make sure the power and other wiring associated with this rheometer and
electrically heated sample cups are in good condition and properly grounded.
Make sure the rheometer’s power switch is in the OFF position and
unplugged from the source before cleaning, repairing or performing
maintenance.
Keep hands, clothes and other objects away from the rotating parts of the machine.
2.2 Heated Sample Cup
When using the heated sample cups, wear the proper hand
protection to avoid getting burned.
When using heated sample cups, do NOT exceed 200oF (93oF).
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RheoVADR
3 Features and Specifications
RheoVADR™ Rheometer comes with the standard R1 rotor sleeve, B1 bob, F1
torsion spring, and a stainless steel sample cup. Its features include the following:
• Preprogrammed API tests— API drilling fluid and API cement
• Data recording at 100, 200, 500 milliseconds, and at 1, 5, 10 sec for observing
trends and analyzing, sharing, printing, or downloading data
• USB port for connecting a flash drive to save test data (CSV) that can be read
in a spreadsheet program
• Resistance Temperature Detector (RTD) for 0.5°F accuracy and repeatability
• Secure fit, left-hand turn for rotor and right-hand turn for bob to help prevent
disconnection when measuring high viscosity fluids
• LED display for high-contrast , making it easier to read
• LED-lighted sample cup for dimly lit locations
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Rheometer Instruction Manual
• Pushbutton design for easier operation
• RS485 serial connector for connecting to a computer and instantaneous
control software (optional)
Figure 3-1 RheoVADR™ Rheometer (front and back)
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RheoVADR
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Rheometer Instruction Manual
Table 3-1 RheoVADR™ Rheometer, P/N 102267855 Specifications
Category Specification
Torsion Spring F1
Rotor - Bob R1, B1
Operating Temperature Range 40°F to 125°F (4.44°C to 51.7°C)
Automatic Tests 4 Pre-programmed API tests
Multiple units on 1 computer Up to 8 units
Sample Cup Volume 350 ml
Sample Temperature 200°F (93°C)
Temperature Measurements RTD
Tempe rature Accuracy 0.5°F
Variable 0.01 to 999 rpm
Speed Range
12 Preset: 600, 300, 200, 100, 60, 30,
20, 10, 6, 3, 2, 1
Speed Accuracy 0.001 rpm
Shear Rate 0.01 sec
-1
to 1700 sec-1
Dial Resolution 0.1
Dial Accuracy 0.5
cP Range (R1-B1-F1) 0.1 to 9M (displays 9999 cP max)
Ports Power, RS485 Serial, USB
Data Port USB Flash Drive
Data Recording Speeds (intervals) 100, 200 & 500 ms; 1, 5, & 10 sec
16 x 5 x 9.5 inches
Dimensions
40.6 x 12.7 x 24 centimeters
Weight 15 lb (6.8 kg)
Power Requirement 100V to 250V, AC, 50/60 Hz , 75W
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RheoVADR
(cm)
(cm)
n/a
80% RH at 87.8oF (31oC) or less
50% RH at 104oF (40oC)
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Rheometer Instruction Manual
Table 3-2 Rotor and Bob Dimensions
Unit
Radius
B1 1.7245
R1 1.8415
Length
3.8
Cylinder Area (cm2) x Radius (cm)
71.005
Table 3-3 Rotor-Bob Specifications
ROTOR-BOB R1 B1
Rotor Radius, R0 (cm) 1.8415
Bob Radius, Ri (cm) 1.7245
Bob Height, L (cm) 3.8
Shear Gap in Annulus
(cm)
0.117
Radii Ratio, Ri /R0 0.9365
Maximum Use
Tempe rature (
Minimum Use
Tempe rature (
o
o
C)
C)
93
0
n/a
Table 3-4 Range of Environmental Conditions
Maximum Altitude
Temperature Range
6562 ft (2000 m)
o
F to 104oF (5oC to 40oC)
41
Maximum Relative Humidity (RH)
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