Brookfield DV2T Operating Instructions Manual Download Page 1

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SPECIALISTS IN THE
MEASUREMENT AND
CONTROL OF VISCOSITY

508-946-6200

508-946-6262

800-628-8139 (USA excluding MA)

NTERNET

http://www .brookfieldengineering.com

BROOKFIELD ENGINEERING LABORATORIES, INC.

Commerce Boulevard, Middleboro, MA 02346 USA

with offices in:

Boston

•

Chicago

•

London

•

Stuttgart

•

Guangzhou

BROOKFIELD DV2T

Viscometer

Operating Instructions

Manual No.

M13-167

Summary of Contents for DV2T

Page 1: ...or 800 628 8139 USA excluding MA INTERNET http www brookfieldengineering com BROOKFIELD ENGINEERING LABORATORIES INC 11 Commerce Boulevard Middleboro MA 02346 USA with offices in Boston Chicago London...

Page 2: ......

Page 3: ...5 3 View Results 19 II 5 4 Manage Files 19 II 5 5 External Mode 19 II 6 Range 19 II 7 Out of Range 20 II 8 Printing 21 III MAKING VISCOSITY MEASUREMENTS 23 III 1 Quick Start 23 III 2 Preparations for...

Page 4: ...es 63 Appendix C Variables in Viscosity Measurement 67 Appendix D Spindle and Model Codes 69 Appendix E Calibration Procedures 72 Appendix F The Brookfield Guardleg 79 Appendix G Speed Selection 81 Ap...

Page 5: ...tandalone operation and automatic operation through programs downloaded from the PC or with complete control by PC using Brookfield RheocalcT Software The DV2T can be used as a traditional Brookfield...

Page 6: ...ewton m 107 dyne cm References to viscosity throughout this manual are done in CGS units The DV2T Viscometer provides equivalent information in SI units I 1 Components Please check to be sure that you...

Page 7: ...Option Temperature Probe Spindle Set Cone Spindle Wrench Sample Cup Temperature Probe Clip Temperature Probe Toggle Switch for Electronic Gap Tension Bar Shipping Cap Guard Leg DV2T Viscometer Model...

Page 8: ...lash Drive Viscosity Accuracy 1 0 of full scale range The use of accessory items will have an effect on the measurement accuracy See Appendix B Viscosity Repeatability 0 2 of Full Scale Range Temperat...

Page 9: ...OQ PQ procedure is available for purchase from Brookfield or your authorized dealer 1 Assemble the Model G Laboratory Stand refer to assembly instructions in Appendix H 2 Put the viscometer on the st...

Page 10: ...up for 10 minutes before performing autozero 8 For Cone Plate models refer to Appendix A 9 If appropriate connect USB cable DVP 202 to USB port for connection of DV2T to PC or printer 10 Review Read...

Page 11: ...mpaired This instrument is not intended for use in a potentially hazardous environment In case of emergency turn off the instrument and then disconnect the electrical cord from the wall outlet Theuser...

Page 12: ...e sure that the instrument is in a clean dry working environment dust free moderate temperature low humidity etc Make sure the instrument is on a level surface Hands fingers must be clean and free of...

Page 13: ...gh the Settings Menu see Section IV 1 The DV2T Viscometer will automatically transition from the About screen to the AutoZero screen TIP When contacting Brookfield or your authorized Brookfield dealer...

Page 14: ...he AutoZero process to ensure the best zero value II 3 Status Bar The DV2T Viscometer will display a status bar at the top of the screen at all times This status bar will indicate time of day date and...

Page 15: ...he Blue Arrow specifically Command Keys are buttons which direct the DV2T to perform a specific action such as SAVE a data set or STOP a program Command Keys are presented inavarietyofcolors Thesekeys...

Page 16: ...calc T Software for complete viscometer control Each of the Main Menu items are detailed in the following sections of the manual II 5 1 Configure Viscosity Test Viscosity measurements are made on the...

Page 17: ...ailable Figure II 5 shows the additional information that can be accessed The More Less bar in this view now has an up arrow indicating that the additional information can be hidden More Less Bar Comm...

Page 18: ...he test sample This informationwillbeusedwhenkinematicviscosity units are selected for display see Section IV 3 II 5 2 Load Test Test programs that are created Configure Viscosity Test can be saved to...

Page 19: ...Drives from the Manage Files function Folder structures can be added or changed to assist with data management Files may be copied moved renamed or deleted Access to this function can be limited when...

Page 20: ...when the measurement is out of range of the instrument When the Torque reading exceeds 100 over range the display of Torque Viscosity and Shear Stress will be EEEE see Figure II 7 If the Torque value...

Page 21: ...ndition should be reported as the test result II 8 Printing The DV2T Viscometer can communicate to a Dymo Label Writer 450 Turbo label printer This printer can be purchased from Brookfield Part No GV...

Page 22: ...bs Inc Page 22 Manual No M13 167 Printer format is detailed below Data Label Small Data Label Large TIP When printing to a label if the data set includes more than one point only the last point will b...

Page 23: ...me Icon III 2 Preparations for Making Measurements A VISCOMETER The DV2T should be turned on leveled and autozeroed The level is adjusted using the two feet on the bottom of the base and confirmed usi...

Page 24: ...or choose a smaller spindle Experimentation may reveal that several spindle speed combinations will produce satisfactory results between 10 100 When this circumstance occurs any of the spindles may b...

Page 25: ...point measurement Many fluids exhibit a characteristic change in viscosity and yield stress with a change in applied force This non Newtonian flow behavior is commonly seen in paints coatings and foo...

Page 26: ...nt when the End Condition is met This data point is an averaged value If the time for averaging is shorter than the total time for the step then the average will be performed for the specified time at...

Page 27: ...erval for the step then the average will be performed for the specified time at the end of the Data Interval The total number of points to be collected will be displayed if the End Condition is set to...

Page 28: ...d by pressing the blue down arrow within the parameter field Six End Conditions are available Time of Points of Revolutions Torque Viscosity Temperature see Figure III 5 Figure III 5 Time The test wil...

Page 29: ...l complete when the specified Temperature value is measured to withintheindicatedTolerance TheTolerancespecifieshowclosethemeasured temperature should be to the specified temperature value to consider...

Page 30: ...ue to be collected while the warning message is displayed Figure III 6 When Viscosity or Torque are the selected QC Limits parameter QC Limits will be shown during the test on the Trend Bar if that pa...

Page 31: ...rage of collected data points Once in the Results section the down arrow can be used to change the view Post Test Averaging can be specified as either Test Averaging or Step Averaging Test Averaging a...

Page 32: ...ommend that data be collected below 10 Torque however data collection is not restricted TIP TorqueontheDV2TisequivalenttothedialreadingfromtheBrookfieldDialReading Viscometer or the reading from Brook...

Page 33: ...he Trend Indicator Bar shows the direction and magnitude of change in the measured parameter This bar can represent either the measuredViscosity or the measuredTorque To change the displayed parameter...

Page 34: ...ion key The BackArrow is used to return the display to the Running Viscosity Test view III 9 Results Measurement data is viewed in the Results screen This screen is presented at the conclusion of a te...

Page 35: ...Scroll Bar Move up down through a page of data The Results screen offers several options for viewing test data These options are accessed via the Down Arrow in the Navigation Bar at the top of the sc...

Page 36: ...program the DV2T to run the same test utilized to collect the data set being viewed and present the Configure Viscosity Test screen Notes Document any relevant information about the test or data This...

Page 37: ...data point will be collected which represents the average of all data measured during the specified time period Averaging Duration Multi PointAveraging requires a definition of 1 Data Interval the fre...

Page 38: ...he DV2T are single step tests Step Averages will be displayed as shown below in Figure III 14 Figure III 14 Test Averaging Calculate Average and Standard Deviation for all data collected within step s...

Page 39: ...e used with the Dymo 450 Printer AutoZero Force the DV2T to perform anAutoZero as is done at start up Oscillation Check Evaluate the performance of the DV2T lower bearings Technical Support Info Infor...

Page 40: ...he Live indication Printer Setup The DV2T is configured for use with the Dymo 450 printer No other printers can be utilized with the viscometer Printer Setup allows the user to choose from three diffe...

Page 41: ...ly push up on the viscometer coupling Turn the coupling until the Torque reading is 10 15 Gently let go of the coupling Watch the reading The Torque reading should decrease smoothly and oscillate abou...

Page 42: ...RV HA HB Model Number Firmware Version Viscometer Serial Number TK version torque table Spindle version spindle table Figure IV 4 TIP The information on the About screen will be needed when contacting...

Page 43: ...TheLanguageSettingisselectedbypressingtheLanguagefieldandchoosingtheappropriate language from the list The selected language will be implemented immediately Pop Up Messages can be toggled on off throu...

Page 44: ...playsthecurrentselectionsformeasurement units Each unit can be changed by pressing the blue down arrow and selecting the desired value Measurement Units are part of the data file for saved results Ava...

Page 45: ...t 9 999 999 00 USA decimal convention 9 999 999 00 Europecommaconvention 9 999 999 00 SI ISO space convention Time Format 13 59 59 24 Hour Format 1 59 59 PM 12 Hour Format Day Separator Forward Slash...

Page 46: ...gure IV 6 The Running Viscosity Test display will show a colored box around the data parameter associated with the Global Alarm When the alarm condition is first met the colored box will be yellow If...

Page 47: ...y Test If the user selects to enter the spindle by number then the choice of a restricted spindle will present an Invalid Input message and prevent the selection of the spindle see Figure IV 8 List Bu...

Page 48: ...ield stress This feature is only available with the DV3T Rheometer Consult the DV3T operating instructions for more information Speed List The selection of Speed in Configure Viscosity Test can be don...

Page 49: ...ta and settings Default Path Define the logic for the Default Path for saving data and tests Settings Reset Reset basic settings to DV2T factory default Device Reset Reset the entire DV2T to factory d...

Page 50: ...e useful if the operator must leave the DV2T unattended during a test The Lock OutAfter parameter defines how many failed Log In attempts are allowed before the User ID is locked The range for Lock Ou...

Page 51: ...al Settings Measurement Units Language DataAccessFunctions Load A Test Instrument USB Save a Test Instrument USB Load Data Instrument USB Save Data Instrument USB Other Options Delete Test Data Move T...

Page 52: ...he user profiles that already exist on the DV2T Locate the Backup file on the attached USB Flash Drive Press the Restore button to upload the Backup file Automatic Backup Create Backup files according...

Page 53: ...or the Default Path specify what format the data path should utilize For example set the Default Path to Operator Test Name The User is logged in as DAVID and the test to run is INK 5 The data path wi...

Page 54: ...re IV 11 will calculate and display the day when the reminder will be presented Check the Calibration Reminder On check box to activate this feature Figure IV 11 The Calibration Reminder will be prese...

Page 55: ...Trail TheAuditTrailisacollectionofinstrumentcheckvaluesthatcanassistBrookfieldwithtroubleshooting activities You may be asked to provide the Audit Trail files Use Save Audit Trail to create an Audit T...

Page 56: ...tiple step Viscosity Tests Windows Requirements for PG Flash Windows 2000 or above 500 MHz processor 256 MB RAM USB Port 1280x768 resolution display The PG Flash interface is shown in Figure V 1 This...

Page 57: ...veraging Density Density value to be used if kinematic viscosity units are selected cSt mm2 s End Condition Condition which sets the end of the Viscosity Test End Condition Value Parameter based on ch...

Page 58: ...age 58 Manual No M13 167 Units Setup Figure V 2 Sample Viscosity Test programs can be seen in the following figures Figure V 3 demonstrates a typical single step test Figure V 4 demonstrates a multipl...

Page 59: ...Gap Setting feature This feature enables the user to easily find the 0 0005 inch gap setting that was established at Brookfield prior to shipment The following information explains how to set the Elec...

Page 60: ...Note The CPE or CPA cone or cup cannot be used with earlier DV2T cone plate Viscometers below S N50969 which do not have the electronic gap setting feature 4 With the motor off thread the cone spindl...

Page 61: ...he closest full scale division mark see Figure A 6 5 Turn the micrometer adjustment ring one scale division to the left to meet the line on the sliding reference marker THE YELLOW CONTACT LIGHT SHOULD...

Page 62: ...viscosity for a given cone spindle speed combination Example DV2TLVViscometer Cone Spindle CPA 42Z Brookfield Silicone Viscosity Standard having a viscosity of 9 7 cP at 25 C At 60 RPM the full scale...

Page 63: ...18 1 5 30 000 16 320 000 32 640 000 128 2 560 000 1 32N SC4 21 2 4 46 865 25 500 000 50 1 000 000 200 4 000 000 93N SC4 25 240 4 790 000 2 560 51 200 000 5 120 102 400 000 20 480 409 600 000 22N SC4 2...

Page 64: ...te sec 1 DV2TLV DV2TRV DV2THA DV2THB CPA 40Z 15 3 065 1 7 32 700 3 3 65 400 13 1 261 000 7 5N CPA 41Z 58 11 510 6 2 122 800 12 3 245 600 49 1 982 400 2 0N CPA 42Z 3 6 000 3 2 64 000 6 4 128 000 25 6 5...

Page 65: ...24 5 24K V 72 HA 4 40 2 22K 22 2K V 73 HA 20 200 10 7K 107K V 74 HA 200 2K 108 6K 1 086M V 75 HA 80 800 42 6K 426K V 71 HB 4 40 2 096K 20 96K V 72 HB 16 160 8 88K 88 8K V 73 HB 80 800 42 8K 428K V 74...

Page 66: ...never the RPM cP ratio exceeds the values listed above Effect on accuracy when using accessory devices The Brookfield viscometer has a stated accuracy of 1 of the range in use This stated accuracy app...

Page 67: ...have different viscosities at different shear rates different RPMs They fall into two groups 1 Time Independent non Newtonian 2 Time Dependent non Newtonian Time Independent Pseudoplastic A pseudopla...

Page 68: ...the spindle speed the higher the shear rate The shear rate of a given measurement is determined by the rotational speed of the spindle the size and shape of the spindle the size and shape of the cont...

Page 69: ...te Constant SRC used for shear rate and shear stress calculations Note that where SRC 0 no shear rate shear stress calculations are done and the data displayed is zero 0 for these functions Table D 1...

Page 70: ...N 87 87 12 13 1 29 SC4 14 14 125 0 4 SC4 15 15 50 0 48 SC4 16 16 128 0 29 SC4 18 18 3 2 1 32 SC4 21 21 5 0 93 SC4 25 25 512 0 22 SC4 27 27 25 0 34 SC4 28 28 50 0 28 SC4 29 29 100 0 25 SC4 31 31 32 0 3...

Page 71: ...4 DV2TRV 0 25 RQ 1 2 DV2TRV 0 5 RH DV2TRV 1 RV DV2THA 2 HA 2DV2THA 4 A2 2 5DV2THA 5 A3 DV2THB 8 HB 2DV2THB 16 B3 2 5DV2THB 20 B5 ThefullscaleviscosityrangeforanyDV2Tmodelandspindlemaybecalculatedusin...

Page 72: ...tainer Inside Diameter 3 25 8 25 cm Height 4 75 12 1 cm Note Container may be larger but may not be smaller Temperature As stated on the fluid standard label 0 1 C Conditions The DV2T should be set ac...

Page 73: ...d does not recommend the use of these spindles to perform a calibration check on your instrument Reasons pertain to the small amount of spindle surface that makes contact with the viscosity standard t...

Page 74: ...ookfield recommends a two step check First verify the calibration of the viscometer using the standard viscometer spindles LV 1 3 RV 2 6 HA 2 6 and HB 2 6 or cone plate spindles as detailedinthisappen...

Page 75: ...pindles LV 1 3 RV 2 6 HA 2 6 and HB 2 6 or cone plate spindles as detailed in this appendix Second verify the calibration of the viscometer using the Spiral Adapter The use of an accessory device may...

Page 76: ...it Less time is required if spindle and cup are already at test temperature 6 Measure the viscosity and record the Viscometer reading in both torque and centipoise cP Notes 1 The spindle must rotate a...

Page 77: ...ontact the Brookfield technical sales department or your local Brookfield dealer distributor with test results to determine the nature of the problem Example Calculate the acceptable accuracy for visc...

Page 78: ...cP 4 Therefore at each speed the acceptable windows within which the measured viscosity value must lie is calculated relative to the viscosity value of the standard At 6 RPM 84 9 cP to 118 1 cP At 12...

Page 79: ...ly calculate an absolute viscosity Changing the boundary conditions does not change the viscosity of the fluid but it does change how the instrument torque is converted to centipoise Without changing...

Page 80: ...dLVandRVseriesViscometer Rheometer Our customers should be aware of its existence its purpose and the effect that it may have on data With this knowledge the viscometer user may make modifications to...

Page 81: ...ers offer additional speeds to enhance measurement capabilities The DV2T offers speeds from 0 1 200 RPM with two options for speeds selection numeric key pad for direct entry Scroll List The user can...

Page 82: ...t No Description Qty 1 VS CRA 14S Upright Rod and Clamp Assembly 1 VS CRA 18S Upright Rod and Clamp Assembly Optional 2 GV 1201 Base includes 2 GV 1203 leveling screws 1 3 GV 1203 LevelingScrews avail...

Page 83: ...ering and raising the viscometer head Actuation lever for up down movement Item Part No Description Qty 1 VSQA 001Y Upright Rod and Clamp Assembly 1 2 GV 1201 Base includes 2 GV 1203 leveling screws 1...

Page 84: ...mp assembly is not loose on the upright rod Viscometer Mounting Insert the Viscometer mounting rod into the hole with the cut away slot in the clamp assembly Adjust the instrument level until the bubb...

Page 85: ...in Figure I 1 Note All Viscometer Rheometer models except LV use the Probe Clip as shown in Figure I 3 RTD Probe Hole Squeeze Here when installing RTD Temperature probe Figure I 1 Figure I 2 shows th...

Page 86: ...llowable runout of 1 32 inch in each direction 1 16 inch total when measured from the bottom of the spindle rotating in air Check to see if the viscometer coupling appears bent if so the unit is in ne...

Page 87: ...If the digital display does not return to ZERO the unit most likely is in need of service Perform calibration check see Appendix E Contact Brookfield Engineering Laboratories Inc or your Brookfield de...

Page 88: ...Brookfield Engineering Labs Inc Page 88 Manual No M13 167 Appendix K Instrument Dimensions...

Page 89: ...Due to copyright restrictions these articles cannot be emailed Please request your hardcopy of articles by calling our customer service department directly or by emailing marketing brookfieldengineeri...

Page 90: ...1 Commerce Boulevard Middleboro MA 02346 U S A Telephone 508 946 6200 FAX 508 946 6262 www brookfieldengineering com For repair or service outside the United States consult Brookfield Engineering Labo...

Page 91: ...i eldengineering com VTR1207 VISCOSITY TEST REPORT DATE FOR BY TEST INFORMATION SAMPLE MODEL SPINDLE RPM DIAL READING TORQUE FACTOR VISCOSITY cP SHEAR RATE TEMP C TIME NOTES CONCLUSIONS This tear off...

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