Brookfield Viscometer Dv-E Manual | Full EPub

Brookfield Viscometer Dv-E Manual | Full EPub

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Brookfield Viscometer Dv-E Manual | Full EPubThe viscous drag of the fluid against the spindle is measured by the spring deflection. If you are missing any parts, please notify AMETEK Brookfield or your local authorized dealer immediately. Any shipping damage must be reported to the carrier. All AMETEK Brookfield offices and our network of representatives and dealers can be found on our website: www.brookfieldengineering.com. The level is adjusted using the three leveling screws on the base. Adjust so that the bubble level on the front of the DVE is centered within the circle. Note: Check level periodically during use. The item and model numbers appear on the Serial tag located at the back of the instrument. Below is an explanation on how to read these numbers. B C D A - DVE Designation Item DVEERVTJ0 B - Torque Range (LV, RV, HA, HB) Each key’s function is described below. For additional navigation instructions, see Section II.2. Do not use solvents or cleaners. Immersed Components: Spindles and guard leg are made of stainless steel. Clean with non-abrasive cloth and solvent appropriate for sample material that is not aggressive to stainless steel. AMETEK Brookfield Page 13 Manual No.All user input is made through the keypad (see Section I.7 for a description of Key Functions). Several keys are used on the DVE to access the Options menu.The DVE requires a spindle entry code number to calculate viscosity values. The two-digit code for each spindle can be found in Appendix D. As the spindle number is changed, the Full Scale Range value will also change to reflect the new spindle number entered (refer to Section III.3). These speeds correspond to the standard LVF, LVT, RVF, RVT, HAT and HBT Dial Viscometer models, and they are combined sequentially (see Table II-1). Note: Speed changes are not instantaneous when motor is on.On start-up, the viscometer will be set to the previously selected spindle and speed. Please see Brookfield publication, “.http://aviafond.ru/userfiles/a-course-in-miracles-manual-for-teachers-pdf.xml

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Pressing the key at any time will cause the current viscosity display to change and show the maximum viscosity. When torque readings exceed 100.0 (over range), the display changes to that shown in Figure -10. You must either reduce the speed or use a smaller size spindle to correct this condition. Audible noise may be heard in this case. If you have experience with other Brookfield equipment, this section will give you the quick steps necessary for taking a viscosity reading. If you have not used a Brookfield Viscometer before, skip this section and go to Section III.2 for a detailed description. Allow time for the indicated reading to stabilize. AMETEK Brookfield Page 24 Manual No.The first consideration has to do with the accuracy of the instrument.AMETEK Brookfield Page 28 Manual No.Viscometer Related Variables Most fluid viscosities are found to be non-Newtonian. They are dependent on Shear Rate and the spindle geometry conditions. The specifications of the viscometer spindle and chamber geometry will affect the viscosity readings. The entry code allows the DVE to calculate Viscosity. Each spindle has two constants which are used in these calculations. The Spindle Multiplier Constant (SMC) used for viscosity and shear stress calculations, and the Shear Rate Constant (SRC), used for shear rate and shear stress calculations. Viscosity standards are Newtonian, and therefore, have the same viscosity regardless of spindle speed (or shear rate).The Brookfield viscometer operates through the use of a calibration torque sensor with variable spindle geometry and rotational speeds. If the viscometer passes a calibration check. Attach chamber (SA-1Y) and clamp to the viscometer. 3) Lower the DVE into measurement position. Operate the viscometer at 50 or 60 RPM until the chamber is fully flooded. Any reading outside these limits may indicate a viscometer problem.http://yifff.se/userfiles/a-course-in-miracles-teachers-manual.xml Contact the Brookfield technical sales department or your local authorized dealer with test results to determine the nature of the problem. A guard leg is supplied with all LV and RV series instruments, but not with the HA or HB series. 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 the recommended method of operation to suit their needs. Refer ring to the Viscometer bubble level, adjust the leveling screws until the instrument is level. AMETEK Brookfield Page 45 Manual No.If the unit is found to be out of tolerance, the unit may be in need of service. See Appendix J for details on how to return your viscometer. AMETEK Brookfield Page 46 Manual No.This site serves as a library of interviews with experts in the viscosity field as well as Brookfield technical articles and conversion charts. Registration is required so that you can be notified of upcoming interviews and events, however, this information will not be shared with other vendors, institutions, etc. For repair or service in the United Kingdom return to: AMETEK (GB) Limited. For digital viscometers, this value is The display will how the full scale range. Multiply the full scale range Dimensional Viscosity standards are Viscometers with the letters “ LV ”. Viscosity is a measure of a fluid’s resistance to flow. Page 10 In case of emergency, turn off the instrument and then disconnect the electrical cord from the wall outlet. The safety of any system, incorporating this instrument, is the responsibility of the assembler of the system. The user should ensure that the substances placed under test do not release poisonous, toxic or flammable gases at the temperatures to which they are subjected to during the testing. I.7 Instrument Controls The following describes each switch’s function: MOTOR ON Turns the motor ON or OFF. Page 11 I.https://events.citeve.pt/chat-conversation/dcs-4500-24f-manual8 Cleaning Make sure the instrument is in a decent working environment (dust-free, moderate temperature, low humidity, etc.). Make sure the instrument is on a level surface. Not doing so may result in deposit build up on the upper part of the shaft and caue interference between the shaft and the pivot cup. Be sure to remove the spindle from the instrument prior to cleaning. Note lefthand thread. Page 12 II. GETTING STARTED II.1 Power Up Turn the power switch (located on the rear panel) to the ON (I) position. This will result in the following screen display: BROOKFIELD DV-E RV VISCOMETER Figure II-1 After a few seconds, the following screen appears: BROOKFIELD VERSION: DV-E 1.00 Figure II-2 After a short time, the display will clear and the default screen is displayed: cP 10OFF S02 Figure II-3 II. The SELECT knob can be rotated until the desired spindle number is selected. Note: Verify the proper spindle entry code for the selected spindle found in Appendix C. Not all spindles have an entry code number that is the same as the spindle number. Page 14 cP 12RPM S02 (MOTOR ON) Figure II-5 cP 12OFF S02 (MOTOR OFF) Figure II-6 Note: When the motor switch is in the ON position, any change to the selected speed will be effective immediately. Pressing the key at any time will cause the current viscosity display to change and show that maximum viscosity. The screen torque display will now display “100” to indicate this special condition. This maximum viscosity and 100 value will be displayed for as long as the AUTO RANGE key is depressed. Page 16 cP 360 10RPM 9.0 S02 Figure II-9 Negative (Torque) will be displayed as shown in Figure II-10. Viscosity values will be displayed as “- - - -” when the (Torque) is below zero.The first consideration has to do with the accuracy of the instrument. Page 20 Appendix B - Variables in Viscosity Measurement As with any instrument measurement, there are variables that can affect a viscometer measurement.https://institutolagranja.com/images/canis-canem-edit-manual.pdf These variables may be related to the instrument (viscometer), or the test fluid. Variables related to the test fluid deal with the rheological properties of the fluid, while instrument variables would include the viscometer design and the spindle geometry system utilized. Page 21 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 container used and therefore, the distance between the container wall and the spindle surface. Page 22 Appendix C - Spindle and Model Codes Appuuoijpoiendix C - Spindle and Model Codes Each spindle has a two digit code which is scrolled via the select knob on the DV-E. The spindle code directs the DV-E to calculate viscosity for the spindle that is being used. Use of Guard Leg is required. When measuring viscosity with a specific spindle rotating at a defined speed, the maximum viscosity that can be measured is defined as full scale range. For digital viscometers, this value is easily determined by pressing the “AUTORANGE” key. Page 26 air bubbles beneath the disk by first immersing the spindle at an angle, and then connecting it to the viscometer. 4) The viscosity standard fluid, together with the spindle and guard leg (if supplied), should be immersed in the bath for a minimum of 1 hour, stirring the fluid periodically, prior to taking measurements. 5) After 1 hour, check the temperature of the viscosity standard fluid with an accurate thermometer. The amount varies with the spindle used. (Refer to the Thermosel instruction manual). 2) Place the sample chamber into the Thermo Container. Note: The spindle must rotate at least five (5) times before a viscosity reading is taken. Remove the three (3) leveling screws from the base. Remove the jam nut from the upright rod. Assembly (Refer to Figure E-1) Screw the leveling screws into the base.http://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/163471efa27897---dacor-scuba-regulator-service-manual.pdf Page 32 Appendix F - The Brookfield Guardleg The guard leg was originally designed to protect the spindle during use. The first applications of the Brookfield Viscometer included hand held operation while measuring fluids in a 55 gallon drum. It is clear that under those conditions the potential for damage to the spindle was great. 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 the recommended method of operation to suit their needs. Review these items before you contact Brookfield. Spindle Does Not Rotate o Make sure the viscometer is plugged in.Our website offers a selection of “how to” videos, application notes, conversion tables, instruction manuals, material safety data sheets, calibration templates and other technical resources. Brookfield has its own YouTube channel. Page 36 Appendix Appendix IH- Warranty - WarrantyRepair Repairand andService Service Warranty Brookfield Viscometers are guaranteed for one year from date of purchase against defects in materials and workmanship. They are certified against primary viscosity standards traceable to the National Institute of Standardsd and Technology (NIST). The Viscometer must be returned to Brookfield Engineering Laboratories, Inc. Here are the instructions how to enable JavaScript in your web browser.The DV-E display also shows The Brookfield DV-E has set a world standard for value in viscosity measurement. Simplified controls allow operators to change test parameters quickly with the push of a switch and turn of a knob. Quality of manufacture guarantees reliable performance and long life. INTRODUCTION. Page 4 and 5: I.1 ComponentsComponent Part Number Page 6 and 7: I.3 SpecificationsSpeeds: 0.0, 0.3, Page 8 and 9: I.6 Key FunctionsFigure I-1 shows t Page 10 and 11: II.Thank you, for helping us keep this platform clean. The editors will have a look at it as soon as possible.greenforestsurveys.com/home/~ptow/public_html/ckfinder/userfiles/files/Digisight-N550-Manual.pdf The brookfield viscometer manual and brookfield rheometer manual can provide insight into the proper usage and care of your. You will find a detailed description of the mathematics of viscosity in the Brookfield publication ”More Solutions to Sticky Problems” a copy of which was included with your DV-II. 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 Brookfield Engineering or your local Brookfield agent immedi- ately. Any shipping damage must be reported to the carrier. Make sure that the AC power switch at the rear of the DV-II is in the OFF position. Connect the power cord to the socket on the back panel of the instrument and plug it into the appropriate AC line. The AC input voltage and frequency must be within the appropriate range as shown on the name plate of the Viscometer. The display window on the Viscometer will guide you through the procedure as follows: Turn the power switch (located on the rear panel) to the ON position. SELECT SPINDLE key is pressed the second time. Note: The number 99 spindle is for use with special spindles when using Brookfield’s DVGATHER or WINGATHER computer programs. Refer to the DVGATHER WINGATHER manuals for further information on using “99”. “special” speed sets. If the Arrow key is pressed just once and then released, the characters RPM will blink for three seconds, then will cease blinking resulting in no change to the speed entry. Note: The speed selection process remembers the last value of scrolled-to speed so that the next time you initiate a speed change (by pressing an Arrow key), the DV-II will begin its scroll display from the last entered value. II.4 Display Selection Viscometric data (, cP, SS, SR) is displayed on the left side of the top line. You may “step” through the four display options by pressing the SELECT DISPLAY key.https://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/163471f1532fc8---dacor-service-manual.pdf For example, if the DV-II were currently displaying (Torque) as shown in Figure 10: Figure 10 The first press of the SELECT DISPLAY key would display viscosity in cP (or mPa. Contact Brookfield or your local Brookfield dealer for this service. II.6 Out of Range The DV-II gives indications for out of specification or out-of-range operation. When (Torque) readings exceed 100.0 (over-range), the display changes to that shown in Figure 15. Negative (Torque) will be displayed as shown in Figure 17: Figure 17 cP (Viscosity) and SS (Shear Stress) values will be displayed as '-' when the (Torque) is below zero. Figure 18 is an example of the printed output of each of the above conditions. The printer must be attached to the rear panel SERIAL AND ANALOG output connector. II.9 Operation The following general procedure is used for making viscosity measurements.Upon completion, the viscometer will display a screen stating that the test is complete and will also display the final recorded value for the viscosity in the first case, and the time in minutes and seconds to reach the torque limit in the second case. Pressing the UP or DOWN arrow keys will allow alternate data to be examined and pressing any other key (except the PRINT key) will bring the user back to the default (normal) viscometer display with the motor OFF. When satisfied, the user presses the SELECT SPINDLE key again to enter the seconds setting display: Figure 24 Using the UP and DOWN arrow keys, the user enters a value for the seconds portion of the time to stop. This value will be between 0 and 59 seconds. Note: The value for minutes or seconds must be other than zero or you will not be able to exit this mode. At this point, the viscometer will stop the motor and continue to display this screen until any key except the UP or DOWN arrow key or the PRINT key is pressed. The user presses the UP or DOWN arrow keys to view the Torque and Speed that were current at the Timed Stop completion.http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/163471f4ea1e91---dacor-sportster-dive-computer-manual.pdf This display would appear as follows: Figure 28 The display will switch between that of Figures 27 and 28 for each press of either the UP. Any other key will abort the process and he will have to begin again by simultaneously pressing the SET SPEED and SELECT SPINDLE keys. When the user returns to stand-alone operation with a printer, you will remove the Brookfield PC cable (with the high-speed jumper) and replace it with the Brookfield Printer Cable (Part No. DVP-81) or any standard serial printer cable which will re-enable the print modes described above. However, the gap between the cone and the plate must be mechanically adjusted before measurements are made. This is done by moving the plate (built into the sample cup, CP-44Y) up towards the cone until two small pins (one in the cone, the second mounted on the plate) contact, and then separating (lowering) the plate 0.0005inch (0.013mm). These Surfaces These surfaes Must be Clean. Must be clean!!! Spindle Wrench Spindle Wrench Cone Cone Figure A2 Attach the sample cup and swing the clip under the cup to secure it in place. Take care to avoid hitting the cone with the cup (Figure A3). Note: Do not add test sample during the gap setting procedure. Do Not Hit Do Not Hit the CONE. Index Mark Index Mark Adjusting Ring Adjustment Ring Turn Adjustment Ring Clockwise Until the Torque Display is Stable at 0.0 Figure A4 Turn Adjusting Ring clockwise until the torque display is stable at 0.0 Turn the adjustment ring to the right (counterclockwise as you look down on the instrument) in small increments (one or two divisions of the ring) while watching the Viscometer display. When you are satisfied the pins are just hitting (by observing acceptable readings), make a pencil mark on the adjustment ring directly under the index mark on the pivot housing (Figure A6). Index Mark Index Mark Adjustment Adjusting Ring Ring Make a pencil Make a Pencil Mark.greatstudyabroad.com/upfiles/editor/files/Diagnostic-And-Statistical-Manual-Of-Mental-Disorders-First-Edition.pdf 3) Select a viscosity standard fluid that will give viscosity readings between 10 and 100 of full scale range. Refer to Appendix B for viscosity ranges of cone spindles. Consult with Brookfield or an authorized dealer to determine which fluid is appropriate. The second consideration involves the mechanics of fluid flow. All rheological measurements of fluid flow properties should be made under laminar flow conditions. Laminar flow is flow wherein all particle movement is in layers directed by the shearing force. Viscometer at a constant speed recording cP values over time and find that the cP values decrease with time, the material is thixotropic. Brookfield publication, “More Solutions to Sticky Problems” includes a more detailed discussion of rheological properties and non-Newtonian behavior.Each spindle has two constants which are used in these calculations. The Spindle Multiplier Constant (SMC) used for viscosity and shear stress calculations, and the Shear Rate Constant (SRC), used for shear rate and shear stress calculations. These fluids are pure silicone and are not subject to change over time. Brookfield Viscosity Standard Fluids are reusable provided they are not contaminated. Normal practice for usage in a 600 ml beaker is to return the material from the beaker back into the bottle. When using smaller volumes in accessories such as Small Sample Adapter, UL Adapter or Thermosel, the fluid is normally discarded. T-Bar spindles should not be used for verifying calibration of the DV-II Viscometer. 3) Select a viscosity standard fluid that will give viscosity readings between 10 and 100 of full scale range. In some applications the 500 ml of test fluid required to immerse the spindles in a 600 ml beaker is not available. In practice, a smaller vessel may be used and the guard leg is removed. The output cable (Part No. APPENDIX H - Model A Laboratory Stand Gear Screw Clamp Screw Upright Rod Clamp Adjusting Screw Model A Clamp Assembly Part No. VS-24Y Clamp Assembly Base Leveling Screw Jam Nut Figure H1 Unpacking Check carefully to see that all the components are received with no concealed damage. 1 base 1 jam nut 3 leveling screws. Remove the three (3) leveling screws from the base and discard the packing material. Assembly (Refer to Figure H1) Screw the leveling screws into the base. Insert the threaded end of the upright rod into the hole in the top of the base and attach the jam nut to the rod on the underside of the base. It is used to attach the RTD temperature probe to the LV Guard Leg (Part No. B-20Y) or 600 ml low form Griffin beaker. Figure H1 is a view of the Probe Clip, showing the hole into which the RTD probe is inserted, and the slot which fits onto the LV guard leg. Bent spindle. Check other spindles - replace any that are bent. If all rotate eccentrically, contact Brookfield Engineering Laboratories, Inc. Spindle jammed below zero. Contact Brookfield Engineering Laboratories, Inc. Or your Brookfield dealer for repair Display Reading Over 100 1. Overrange “EEE” (in, cP, and SS). Appendix C - Variables in Viscosity Measurement Recorder Pen Moves in Wrong Direction 1. Appendix K - Warranty Repair and Service Warranty Brookfield Viscometers are guaranteed for one year from date of purchase against defects in materials and workmanship. They are certified against primary viscosity standards traceable to the National Institute of Standards and Technology (NIST). Brookfield Dv I Viscometer The Viscometer must be returned to Brookfield Engineering Laboratories, Inc. Brookfield Engineering Labs., Inc. Page 5 Manual No. M13-167-B0614 I. INTRODUCTION TheBrookfieldDV-IIViscometerserieshasbeentheleadingindustrialviscometersinceit wasfirstintroducedin1985. BrookfieldhascontinuedtodevelopandimprovetheDV-IIto providethebestvalueinthemarketforbothqualitycontrolandresearchcustomers. The BrookfieldDV2TViscometercontinuesinthistraditionofinnovation,qualityandvalue. The incorporationofafullcolorgraphicaltouchscreendisplayhasallowedforanewandimproved userinterfacewhichpreservesthesinglespeeddatacollectionmethodswhilemakingallof theadvancedfeaturesoftheDV2Treadilyavailable. Viscosityis ameasureofafluid’sresistancetoflow. Youwillfindadetaileddescriptionofthescienceof viscosityintheBrookfieldpublication “More Solutions to Sticky Problems”, acopyofwhich wasincludedwithyourDV2T. TheDV2TExtrais aspecialpackagethatincludesseveraloptionalfeaturestomaximizetheutilityoftheDV2T. TheDV2TExtraincludes:BallBearingSuspension(notincludedinLVversions),EZ-Lock spindleconnection,ModelQ LabStand,andRheocalcTSoftware. Thesedifferencesare detailedintheComponentssectionofthemanual. Allreferencestotheviscometerinthis manualwillbemadeasDV2T. AlloftheoptionalfeaturesoftheDV2TExtramaybeadded individuallytotheDV2TViscometer. TheDV2Toffersexceptionalversatilityinmodesofcontrol,allowingchoiceoftraditional standalone operation and automatic operation through programs downloaded from thePCorwithcompletecontrolbyPCusingBrookfieldRheocalcTSoftware. TheDV2TcanbeusedasatraditionalBrookfieldviscometerforcollectionofsingle speedviscositydatathroughtheeasytousetouchscreen;justselectthespindleand speedandreadthevaluefromthedisplay. See Section II: Getting Started. TheBrookfieldPGFlashSoftwarecanbeusedtoprogramtheDV2Ttocontrolall aspectsofthetestanddatacollectionwithouttheneedfortheoperatortomonitor theinstrument;juststarttheprogramandreturntotheprintedtestdata(printeris optional). See Section V: PG Flash Software. TheBrookfieldRheocalcTSoftwarewillperformallcontrolanddatacollectionfunctions oftheDV2TfromthePCwhilealsoprovidingaplatformforadvanceddatacollection and analysis. Inanyofthesemodesofcontrol,theDV2Twillprovidethebestinviscositymeasurement and control. TheprincipalofoperationoftheDV2Tistodriveaspindle(whichisimmersedinthetestfluid) throughacalibratedspring. Theviscousdragofthefluidagainstthespindleismeasuredbythe springdeflection. Themeasurement rangeofaDV2T(incentipoiseormilliPascal.seconds)isdeterminedbytherotationalspeed ofthespindle,thesizeandshapeofthespindle,thecontainerthespindleisrotatingin,and thefullscaletorqueofthecalibratedspring. TherearefourbasicspringtorqueseriesofferedbyBrookfield: Spring Torque Model dyne.cm milliNewton.m DV2TLV 673.7 0.0673 DV2TRV 7,187.0 0.7187 DV2THA 14,374.0 1.4374 DV2THB 57,496.0 5.7496 Thehigherthetorquecalibration,thehigherthemeasurementrange. Themeasurement rangeforeachtorquecalibrationmaybefoundinAppendixB. Viscosity is a measure of a fluid s resistance to flow. You will find a detailed description of the mathematics of viscosity in the Brookfield publication More Solutions to Sticky Problems, a copy of which was included with your DVE and can be downloaded in pdf form from the Brookfield website, The principle of operation of the DVE is to rotate a spindle (which is immersed in the test fluid) through a calibrated spring. The viscous drag of the fluid against the spindle is measured by the spring deflection. Spring deflection is determined optically by measuring the shift in the spindle position due to the viscous drag of the fluid against the spindle. The measurement range of a DVE (in Poise, centipoise, Pascal or millipascal seconds) is determined by the rotational speed of the spindle, the size and shape of the spindle, the container in which the spindle is rotating, and the full scale torque of the calibrated spring. There are four basic spring torque series offered by Brookfield: Spring Torque Model dyne-cm milli Newton-m DVELV DVERV 7, DVEHA 14, DVEHB 57, The higher the spring torque, the higher the measurement range. The viscosity measurement range for each spring torque may be found in Appendix A. All units of measurement are displayed according to either the CGS (cp) system or the SI (mpa s) system. 1. Viscosity appears in units of Poise (shown as P ), centipoise (shown as cp ), Pascal Seconds (shown as Pa S ) or millipascal-seconds (shown as mpa s ) on the DVE display. 2. Torque appears in units of dyne-centimeters or Newton-meters (shown as percent in both cases) on the DVE display. The DVE Viscometer provides equivalent information in SI units (see Section II.5: Viscosity Units). AMETEK Brookfield Page 5 Manual No. M B0916 6 I.1 Components 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 authorized dealer immediately. Must be used with AV-6 Power Supply. Alternative power sources may cause damage to the instrument. AMETEK Brookfield Page 6 Manual No. M B0916 7 I.3 Components and Dimensions DVE Viscometer Model A Laboratory Stand Shipping Cap Spindle Set LV Guard Leg AV-6 Power Supply Figure I-I AMETEK Brookfield Page 7 Manual No. Safety requirements for electrical equipment, for measurement, control and laboratory use. NOTICE TO CUSTOMERS: This symbol indicates that this product is to be recycled at an appropriate collection center. Users within the European Union: Please contact your dealer or the local authorities in charge of waste management on how to dispose of this product properly. Otherwise, ingress protection rating is IP20. AMETEK Brookfield Page 9 Manual No. M B0916 10 I.5 Installation Note: IQ, OQ, PQ, an abbreviated guideline document for installation, operation and performance validation for your DVE digital viscometer can be downloaded from our website A more detailed IQ,OQ,PQ procedure is available for purchase from AMETEK Brookfield or your local authorized dealer. 1. To assemble the Model A Laboratory Stand, place the upright rod into the base on a clean, dry and vibration-free surface (refer to assembly instructions in Appendix G). 2. Insert the mounting rod on the back of the DVE Viscometer into the hole on the clamp assembly (refer to Appendix G). Center the bubble level from left to right before tightening the clamp. 3. The Viscometer must be leveled. The level is adjusted using the three leveling screws on the base. Note: Check level periodically during use. 4. Remove the shipping cap from the pivot cup. This cap is designed to protect the Viscometer spindle coupling nut during shipment. Do not attempt to operate the Viscometer with the shipping cap in place. Save this cap for future use. 5. Plug the metal jack of the power supply into the circular receptacle on the back of the Viscometer. Screw the threaded collar on the metal jack securely to the threads of the receptacle. Connect the power cord to the socket on the power supply and plug it into the appropriate power source. (Refer to Figure I-3.) 6. Optional: Install the screen protector (Part No. DV-1404) per the instructions on the package. Additional installation help can also be found on our YouTube channel: Note: Must be used with the AV-6 power supply. Alternative power sources may cause damage to the instrument electronics. Note: The AV-6 must be earth grounded to maintain compliance with electrical certifications. Note: The AC input voltage and frequency must be within the appropriate range as shown on the nameplate of the power supply (see Section I.2). AMETEK Brookfield Page 10 Manual No. Middleboro MA (800) (508) Made in U.S.A. DVEERVTJ0 EB21BETA Power Receptacle Figure I-3 The instrument can be identified by the item or model number. The item and model numbers appear on the Serial tag located at the back of the instrument. M B0916 12 I.6 Safety Symbols and Precautions Safety Symbols The following explains safety symbols, which may be found in this operating manual. Indicates hazardous voltages may be present. Refer to the manual for specific warning or caution information to avoid personal injury or damage to the instrument.