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RSO
RHEOMETER
Operating
Instructions
M19-230-REV.B

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Summary of Contents for Ametek BROOKFIELD RSO

  • Page 1 ™ RHEOMETER Operating Instructions M19-230-REV.B...
  • Page 2 THIS PAGE INTENTIONALLY LEFT BLANK M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 2...
  • Page 3: Table Of Contents

    2. 3 Power Down........25 M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 3...
  • Page 4 4. 7. 3. Search Files ......68 M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 4...
  • Page 5 Appendix A: Gap Settings Procedure for the RSO Rheometer Appendix B: Calibration Check Appendix C: Symbols for Test Parameters and Units of Measurement Appendix D: Online Help and Additional Resources Appendix E: Warranty and Repair Original Instructions M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 5...
  • Page 6: Introduction

    Operator Instructions 1. INTRODUCTION The Brookfield RSO  Rheometer is a rotational and oscillatory controlled-stress rheometer used in quality control, product development, and research. The measuring drive developed for this instrument utilizes a high precision dynamic drive system with an optical encoder for absolute position measurement of spindle deflection.
  • Page 7: Obligation To Instruct

    Read the operating manual carefully, follow all instructions provided, and observe all safety notes to ensure the proper and safe use of this measuring instrument. If you have any questions, please contact AMETEK Brookfield Technical Support or an authorized dealer. M19-230-REV.B ©...
  • Page 8: Safety And Hazard Information

    The RSO Rheometer weighs approximately 70lbs.(32kg) and requires two people to safely lift. Make sure that the instrument is in a clean, dry working environment (dust-free, moderate temperature, low humidity, etc.), see section IV.2.2 Ambient Conditions. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 8...
  • Page 9: Dangers In Handling The Machine

    Laser Bar Code scanner in use. Avoid Direct Eye Exposure. Compressed Air in use. Class A instrument Repair service should only be performed by AMETEK Brookfield’s trained service team, see Appendix F: Warranty and Repair. 1. 6 Ergonomics Ensure your planned work area is at a comfortable height with a proper stool or seat.
  • Page 10: Unpacking

    Please check to be sure that you have received all components, and that there is no damage. If you are missing any parts, please notify AMETEK Brookfield or your local agent immediately. Any shipping damage must be reported to the carrier.
  • Page 11: Features

    • External Temperature Sensor Pt100 (PN: PT-E) • Water jacket for temperature control with Coaxial Cylinder Spindles (PN: FTKY3) • Solvent Trap for use with highly volatile test materials (PN: RSTRAP) • Rheo3000 Software M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 11...
  • Page 12: Touchscreen

    Universal Power Supply (90 - 275 VAC) Input Frequency: 50/60 Hz Power Consumption: 400 VA Power Cord Color Code: United States Outside United States Hot (live) Black Brown Neutral White Blue Ground (earth) Green Green/Yellow M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 12...
  • Page 13: Rheometer Setup

    There should be a free space of at least half a meter to the right, left, and rear of the device to ensure cooling. A grounded AC plug outlet is needed to operate the RSO Rheometer. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 13...
  • Page 14: Ambient Conditions

    For optimal performance, be sure that the following ambient conditions are maintained: • Temperature between +10°C and +40°C (+50°F and 104°F) • Relative air humidity between 20% and 80% M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 14...
  • Page 15: Ac Power Connection

    Always inspect the Power Cord for defects/damage before plugging it into an outlet. • Never use a damaged Power Cord. If necessary, contact AMETEK Brookfield or the au- thorized dealer from whom you purchased the instrument for a replacement Power Cord.
  • Page 16: Level The Instrument

    Adjust the RSO Rheometer feet until the bubble is inside the center ring of the Level. After earthquakes, other ambient influences, or anytime that the RSO is moved, it is recommended to check the bubble level. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 16...
  • Page 17: Air Supply & Filter System Connection

    Hose ends must be secured to prevent whipping if an accidental cut or break occurs. Air lines should be inspected frequently for defects, and any defective equipment repaired or replaced immediately. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 17...
  • Page 18: Interfaces

    CPS (Cone/Plate System) mode. There are several predefined positions which the vertical drive system approaches during normal operation: CPS home position - CPS zero gap position -CPS filling position -CPS gap position M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 18...
  • Page 19: Quick Coupling

    In CC Mode, the spindle will gently sink into the sample cup. In either mode, if the spindle becomes stuck in the coupling, gently pull down on the spindle to detach. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 19...
  • Page 20: Spindles

    Coaxial Cylinder spindles details will already be set in the instrument firmware. The Moment of Inertia will have to be calibrated the first time you attach any new spindle to the RSO Rheometer. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 20...
  • Page 21: Key Functions

    • Vista, 7, 8 or 10 • Mouse and keyboard • VGA graphic adapter with 1024 x 768 resolution and monitor • 2 USB ports for rheometer and temperature accessory control • Application software package Rheo3000 M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 21...
  • Page 22 RSO Rheometer. In the following cases, however, it is highly recommended: • Extensive rheological analyses • Graphical evaluation • Evaluation using mathematical models • Automated measurements • Research and development M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 22...
  • Page 23: Installation And Test Set-Up

    The RSO head will begin to rise into an upper set position while it runs self-checks. These can be viewed at the bottom of the screen. This screen also shows your RSO’s Serial Number and the installed firmware version. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 23...
  • Page 24: Select Device Mode

    • Press Device Setup on the Settings screen Choose your desired configuration, either CPS or CC Mode. Press Ok. • Follow the instructions in the pop-up. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 24...
  • Page 25: Power Down

    Another option to power the rheometer down is to use the On/Off button on the back of the base. After shutting down the RSO Rheometer, the instrument and spindles must be cleaned. See Section 6. Maintenance and Care M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 25...
  • Page 26: Spindles And Sample Preparation

    12. Start measurement. 13. After completion of the measurement, turn off temperature control and wait until your sample has cooled down to a safe temperature. 14. Remove and clean the spindle. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 26...
  • Page 27: Preparing Samples

    Ensure that the spindle coupling is open. The device will then move into the higher position for use with the CC spindles and FTKY3 temperature control device. Now connect the RSO-CC adapter kit. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 27...
  • Page 28: Ftky3 And Temperature Control Device

    Do not use any object in cleaning that might scratch the spindle or sample cup pieces. Store the spindle on a soft surface or in its original container. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 28...
  • Page 29: Operation

    The RSO Rheometer will display a status bar at the top of the screen. This status bar will indicate logged in user, connection status of USB flash drives, operational mode, temperature, time, and date. The status icons are defined as: M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 29...
  • Page 30: Navigation

    These keys are found at the bottom of the screen. Navigation Icons are found in the title bar to the left and right. These buttons will take you to specific areas of the operating system. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 30...
  • Page 31 Main navigation items are shown below. main menu settings menu back (return to previous screen) search files log out (will only be available if the administrator has activated user log in) M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 31...
  • Page 32: Menu Structure

    4. 2. 1. Menu structure The following is a schematic representation of the touch screen menu system for the RSO Rheometer, starting with the home screen menu. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 32...
  • Page 33: Log In, Log Out, Lock Out

    The RSO also can be set up to use Coaxial/Concentric Cylinder geometry, referred to as “CC” geometry. This may allow testing of samples with viscosities that are lower than those that the CPS mode can handle. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 33...
  • Page 34: Rso Configuration

    Depending on the configuration, this can be controlled via the Rheo3000 software. 4. 5 Rotational Measurements 4. 5. 1. General Main Menu  Rotation Quick Run Main Menu  Rotation  Quick Run M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 34...
  • Page 35 After the test, switch to the “Results” view which shows viscosity, shear rate, shear stress, and temperature in a table or a configurable graph (click to select). M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 35...
  • Page 36: Viscosity

    You can save the data or create a PDF document. 4. 5. 2. Viscosity Main Menu  Rotation  Viscosity M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 36...
  • Page 37 For example, block one can be the ramp up from 1 to 100 s and the second block can be the ramp down 100 to 1 s . The maximum number of blocks is 10. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 37...
  • Page 38 Select linear or log data collection. Select the start value for the block. Select the end value for the block. Select data point collection rate (1 MP/second). To create a new block click add block. To start the test click next. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 38...
  • Page 39: Yield

    The control parameter is either shear stress or torque, and the resulting strain is recorded. The applied stress is increased slowly on the sample, to reach the point at which the material starts to flow. Main Menu  Rotation  Yield M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 39...
  • Page 40 Configuration Do not apply too much stress, because once the material starts to flow, the test will be reaching the finishing point. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 40...
  • Page 41 By clicking appropriate points of the graph, line 1 is to be placed manually in the linear-elastic range, and line 2 in the flow range. From these lines, the software determines both the yield and flow point M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 41...
  • Page 42: Creep Recovery

    This test is used to determine the elastic recovery of a sample. We apply constant stress below the yield value for a period of time and measure the resulting deformation. We then release the stress and monitor the sample recovery. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 42...
  • Page 43 (usually 30 seconds), and the number of data points; 1 point/second is recommended. “Recovery part”: (1) The stress is automatically zero, “0”. (2) The Recovery Time, set by the operator, is usually the same as the Creep Time. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 43...
  • Page 44 Strain is the value at the end of the Recovery step. Elastic Portion % = [ (Maximum Strain - Final Strain)/(Maximum Strain) ] x 100%. Viscous Portion % = (Final Strain)/(Maximum Strain) x 100%. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 44...
  • Page 45: Thixotropy

    The high-shear step decreases the viscosity by breaking down the sample’s structure. The final, low-shear, recovery step provides a measure of how the material structure recovers, as shown by the increase in apparent viscosity over time. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 45...
  • Page 46 Select the Regeneration block, select the same shear rate value as used in the reference block, and the same time as that used in the high shear block. Set the Number of Measurement Points and Temperature. • Touch “Next” to proceed. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 46...
  • Page 47: Math Models

    Newtonian flow behavior. Since Newtonian materials have linear shear stress vs. shear rate behavior and n describes the degree of non-Newtonian flow, the flow index essentially indicates how “non- linear” a material is. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 47...
  • Page 48 They use the Power Law model to evaluate the effect the new ingredient will have on the behavior of their shampoo. They need to know how it will behave during processing and how it will behave when it is being used by the customer. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 48...
  • Page 49 The Bingham model indicates a product’s yield stress, , which is the amount of shear stress required to initiate flow. It also provides the plastic viscosity, , which is the viscosity after a product yields. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 49...
  • Page 50 Casson model linearizes or straightens the plot by taking the square root of the data. To ensure accurate extrapolation to yield stress it is best to take some data at low shear rates. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 50...
  • Page 51 Chocolate Manufacturers Association as the standard rheological model for the industry. This model determines yield and flow properties under specified conditions and closely approximates the plastic behavior of chocolate before final processing. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 51...
  • Page 52 = coaxial cylinder gap constant (it depends upon geometry), D = shear rate, k4 and k5 are adjustable parameters, = shear stress Steiger-Ory Model The Steiger-Ory k1 and k2 are adjustable parameters. • This model was originally developed by researchers in the European pharmaceutical industry M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 52...
  • Page 53 • This is a “generic” model that may be weighted to an operator-specified number of data points. Windhab Model • This model was developed in Europe, to fit chocolate viscosity data. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 53...
  • Page 54: Oscillation Measurements

    The RSO has an air bearing which allows for these measurements to be made at very low stresses and frequencies to determine the structural behavior of the material. 4. 6. 2. Amplitude Sweep M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 54...
  • Page 55 Insert spindle, choose amplitude mode (strain or stress-controlled), select the frequency of the oscillation. Choose the start and end amplitudes of stress or strain. Select the number of measuring points for the test. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 55...
  • Page 56 Loss Modulus, a measure of the viscous behavior, how input mechanical energy is lost by the material. “Tan Delta”, the loss tangent, is the ratio: tanδ = G”/G’. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 56...
  • Page 57: Frequency Sweep

    4. 6. 3. Frequency Sweep The frequency sweep oscillates the spindle at a selected shear stress or strain but changes the frequency of the oscillation from low to high or vice versa. Configuration M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 57...
  • Page 58 The Crossover Value is the oscillatory frequency at which G’ = G”. In the above example, G’ increases with increasing frequency. G’ is initially less than G” but becomes greater than G”. This indicates a change from liquid-like behavior to solid-like behavior. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 58...
  • Page 59: Time-Dependent Behavior

    Glue “curing” is a practical example. The user-selected temperature stays the same throughout all the blocks, in CPS mode. The frequency, amplitude, and time may be set to be different in each block, however. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 59...
  • Page 60 Attach the spindle, choose the amplitude mode of stress or strain, and select the test frequency, amplitude, and duration of the block. You can add blocks at different constant frequency or amplitude. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 60...
  • Page 61 Interpretation M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 61...
  • Page 62: Temperature-Dependent Behavior

    M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 62...
  • Page 63 Attach the spindle, choose the Amplitude Mode of Stress or Strain, select the test Frequency and Amplitude. Select the start temperature and the end temperature. Please note that the cone-plate gap is set at the highest temperature. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 63...
  • Page 64 Interpretation The result is shown as the temperature at which the onset of flow occurs, taken as the point where G’ and G” values cross over each other. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 64...
  • Page 65 Creating a PDF of the results: At the end of the test you can choose to make a PDF of the results by simply pressing the red PDF icon. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 65...
  • Page 66 Choose which location you would like to save the document, and press Save. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 66...
  • Page 67: File Explorer

    USB flash drives can be plugged into the four ports at the back. 4. 7. 1. Internal Memory Main Menu  File Explorer  Internal Memory All measurement results and configurations of the different users are stored in the internal memory. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 67...
  • Page 68: External Memory

    The figure below shows the settings menu which is divided into: General Settings, Device Setup and Admin Functions. Device Setup includes items that affect the complete range of features within the instrument. Admin Functions include items related to administrator level controls. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 68...
  • Page 69: General Settings

    The general settings menu includes settings related to specific users and display options. Two general settings and two user settings are available. The general settings include: Spindles Manage spindles database M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 69...
  • Page 70 24-hour format without “am” and “pm” Decimal Point Comma Brightness Main Menu  Settings  General Settings  Display The brightness adjustment applies to all screen views within the RSO Rheometer. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 70...
  • Page 71 K, for example. Derived quantities include N, Pa and rad/s. The “cgs”, “c-g-s” or “CGS” units include cm, g and s from the metric system. Derived quantities include P, cP, and dyn/cm , for example. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 71...
  • Page 72 The operator touches the gear icon to open General Settings, then touches Measurement Units: Touch the empty circles to change the dimensions or units: Once the choices are made, touch either the arrow “Back” or the “Home” icon to continue. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 72...
  • Page 73: Device Setup

    Any user can change thier his/her own password at any time. The user must enter the current and the new password as well as confirm the new password. If the administrator password is lost, it can be reset. Please contact AMETEK Brookfield or the local authorized dealer. Remember to have the information found in the Technical Support Info screen available.
  • Page 74 Coaxial Cylinder accessories or other spindles requiring more clearance, such as certain vanes. Temperature: Home temperature = commanded temperature if no measurement is running. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 74...
  • Page 75 Temperature range can be set from 0 to 180 °C. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 75...
  • Page 76 Technical Support Info M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 76...
  • Page 77 There are four choices under “Logs”. The operator selects either: Errors, Warnings, Events, or All. An event may include something like a test starting or stopping, for example. “All” will M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 77...
  • Page 78 “log_data Jun01_20.sqlite”. “Save” is then touched, the file is saved, and the Logs list appears again: The operator can then exit this menu, remove the USB drive, and upload the Log file to his/her PC. The file may then be emailed to the appropriate AMETEK Brookfield contact, for further ®...
  • Page 79 Calibration Explanation of the available calibrations: Motor friction: Ensures measurement accuracy (to be repeated monthly). M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 79...
  • Page 80 Rotor inertia: Calibrate the moment of inertia of the rotating parts of the instrument. To be repeated annually. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 80...
  • Page 81 Periodic checks of rotor inertia ensure accurate measurements in oscillation modes. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 81...
  • Page 82 Each spindle has its own moment of inertia. Accurate oscillation measurements require the moment of inertia be measured for the specific spindle used for the measurement. Encoder: Re-home the position sensor. This is only necessary in case of an encoder malfunction. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 82...
  • Page 83 Touch: Calibrate the touch screen. This is only necessary if touch screen position sensing is inaccurate. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 83...
  • Page 84: Administrator Functions

    Users and Access Set Date and Time Set Log Level: Configure behavior of event/warning/error logging. Special Settings: Includes an option to toggle mandatory or optional adding of spindles. Software Update M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 84...
  • Page 85: External Mode

    First, connect the PC-USB interface cable provided into the “PC” / USB-B socket on the back panel of the RSO  Rheometer. Do not use any interface cable other than that provided by AMETEK Brookfield. Connect the other end of the cable to an unoccupied USB port on the computer. The device driver installs automatically.
  • Page 86: Transport And Storage

    5. 2 Ambient Conditions for Transport Always transport the RSO Rheometer in its original carton. Protect it against bumps and shocks. Save the original shipment container for future use (i.e., returning the instrument to AMETEK Brookfield or your local authorized dealer for calibration service).
  • Page 87: Maintenance And Care

    The RSO Rheometer system is designed for long-term operation. The user can check measurement accuracy at any time. It is recommended that such measurements be performed with AMETEK Brookfield viscosity standard fluids (mineral oils). Instructions for this calibration process are detailed in Appendix B: Important guidelines when checking the instrument’s measurement accuracy include the following:...
  • Page 88: Software Update

    • Refer to Appendix B: For complete details on calibration check procedures In case of instrument failure (or deviation from the mineral oil viscosity value), or should the instrument require repair, please contact AMETEK Brookfield or your local dealer. Only authorized service personnel may work on the control electronics, all acces-...
  • Page 89: Trouble Shooting

     Verify the calibration check procedures were followed exactly. If the unit is found to be out of tolerance, the unit may need service. See Appendix F: Warranty and Repair. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 89...
  • Page 90: Logs

    If such an incident happens, AMETEK Brookfield should be contacted. Please export the log files and send them to AMETEK  Brookfield or your local authorized dealer so that we can reconstruct and resolve the issue. See section VI.8.2 Log.
  • Page 91: Technical Specifications

    5.4∙ 10 Pa∙ s Torque range 0.05 mNm to 100 mNm Torque resolution 0.1 nNm (first Step) Frequency range 0.001 to 20 Hz, or about 0.006 to 120 rad/s M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 91...
  • Page 92 360 x 340 x 600mm (14.2 x 13.4 x 23.6in) Ambient conditions Temperature in operation +10°C to +40°C (+50°F to +104°F) Relative humidity (not condensing) in 20% to 80% operation M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 92...
  • Page 93: Glossary

    Water Jacket (Flüssig Temperier Kammer) Part Number Rheometer: RSO stands for Rate Stress Oscillation. “RS” indicates that we can do both CSR and CSS measurements. “O” indicates the ability to do oscillational measurements. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 93...
  • Page 94: Appendix A: Gap Settings Procedure For The Rso Rheometer

    The rheometer head will automatically move to the filling position, and the gap will automatically be adjusted as shown in the figure. The next screen instructs the user to place the sample material on the plate. Follow the instructions provided in section M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 94...
  • Page 95: Appendix B: Calibration Check

    If the viscosity value starts to drop, it may be due to shear heating. Record the viscosity reading 15 seconds after the test starts at this torque to minimize potential error. If the instrument fails when you repeat the calibration check, contact AMETEK Brookfield or your local authorized dealer. See Appendix E: Warranty and Repair.
  • Page 96: Appendix C: Symbols For Test Parameters And Units Of Measurement

    η Viscosity [Pa∙ s, mPa∙ s, cP, P] γ Shear Strain ω Angular Frequency [rad/s] Frequency [Hz] Complex Shear Modulus [Pa] Storage Modulus Gʹ [Pa] Loss Modulus G" [Pa] M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 96...
  • Page 97: Appendix D: Online Help And Additional Resources

    Visit our Services section on our website to learn more about training. Online Store To purchase accessories and replacement parts for your RSO instrument, please visit store.brookfieldengineering.com. M19-230-REV.B © 2020 AMETEK Brookfield Inc. All rights reserved. Page 97...
  • Page 98: Appendix E: Warranty And Repair

    Telephone: (508) 946-6200 FAX: (508) 946-6262 www.brookfieldengineering.com For repair or service outside the United States, consult AMETEK Brookfield or the local authorized dealer from whom you purchased the instrument. For repair or service in the United Kingdom return to: AMETEK (GB) Limited...

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