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1.2. a O M le OQ a GO E o SPEED oOo IIT 0 9 o Normal force indication a double bar in the centre shows no normal force 500 g Bars to the left show a negative normal force i e pulling down on the geometry whilst bars to the right indicate a positive normal force pushing up on the geometry Each bar indicates a load of 500g If the normal force becomes too large in either direction the overload light illuminates When MAN 0329 O Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com E o e A NS 0 MINS E 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 5 Tuesday November 30 2010 3 35 PM Hardware features Chapter 2e overloaded the motor will not move up or down until the normal force has reduced OK light indicates that the instrument is ready to make a measurement or set the gap Overload warning light indicates if normal force becomes too great The rheometer will not move up or down in this state Gap size with the OK light lit the value displayed is the current gap If the OK light is off and the gap light is lit the required gap is shown This display also shows status messages Raise lower head move the measurement head and geometry up or down When moving downwards the head will continue until the gap value is met If the head is
3. Guaranteed 888 88 SOURCE www artisantg com o P gt INS 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 4 Tuesday November 30 2010 3 35 PM E Appendix A Specification Page A 4 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o YV Z SA ds S MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM Health and Safety General warnings and regulations Warning A The instrument or the samples to be measured may be hazardous if mis used Read and fully understand this section before operating the system The instrument must only be stored or operated in environmental conditions con forming to the specification given in Chapter 4 Site requirements Warning Use of the system in a manner not specified by Malvern Instruments may impair the protection provided by the system Electrical warnings and regulations Warning A Malvern Bohlin rheometers contain high voltage components Only Mal vern Instruments trained personnel are permitted to remove the main cover of any part Warning A This product must be connected to a protective earth The metal parts of the unit are earthed using a protective earth connection Gemini amp CVO Rheometers Page B 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88
4. Note 5 Peak speed too high in Oscillation Mode The combination of stress and modulus at the current frequency are generating instantaneous speeds greater than the highest speed that the hardware can track The rheological results cannot be relied upon Note 6 Torque error instrument fault Oscillation Mode Two possible reasons for this 1 The hardware is faulty a straight line for the raw torque in oscillation raw data on the graph indicates a faulty instrument The rheological results are of no use in this case 2 The frequency is high so the maths is introducing errors in the calculation The rheological results may be affected Note 7 Diagnostics only Note 8 Approach to steady state out of range Rejected Viscometry Constant Stress Mode The acceptance value of steady state set up in Options viscometry has not been reached MAN 0329 aa Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com E YV Z 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 3 Tuesday November 30 2010 3 35 PM 5 D gt MIN Troubleshooting Appendix C The rheological results may be affected but it can be solved by setting longer delay times and max time outs or lowering the tolerance on the steady state acceptance Note 9 Overspeed detected Rejected All Modes The maximum tracking speed of the instrument in that mode has bee
5. A rtisan Artisan Technology Group is your source for quality Tecmoboycrow new and certified used pre owned equipment FAST SHIPPING AND SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT DELIVERY Experienced engineers and technicians on staff Sell your excess underutilized and idle used equipment TENS OF THOUSANDS OF at our full service in house repair center We also offer credit for buy backs and trade ins IN STOCK ITEMS www artisantg com WeBuyEquipment EQUIPMENT DEMOS HUNDREDS OF Instra REMOTE INSPECTION LOOKING FOR MORE INFORMATION MANUFACTURERS Remotely inspect equipment before purchasing with Visit us on the web at www artisantg com 7 for more our interactive website at www instraview com information on price quotations drivers technical LEASING MONTHLY specifications manuals and documentation RENTALS ITAR CERTIFIED a aed Contact us 888 88 SOURCE sales artisantg com www artisantg com MM zz EN www malvern com Malvern Instruments Limited Printed in England MRK1559 01 Enigma Business Park Grovewood Road Malvern Worcs WR14 1XZ U K Tel 44 0 1684 892456 bs hla Fax 44 0 1684 892789 M alvern Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com NP NS 5 MAN 0329 4 0 Gemini amp C
6. 2010 3 35 PM Page 1 2 Chapter 1 Introduction to this manual How to use this manual This guide should be read in conjunction with the Gemini CVO Accessories Guide which provides detailed information about all compatible temperature controllers and geometries Users must read the Health and Safety information in Appendix B before operat ing the instrument itself Additionally if using the ETC LTU option users should read the Liquid Nitrogen Safety Guide and the relevant chapter of the Gemini amp CVO Rheometers Accessories Guide We recommend reading this manual fully before starting the first measurement The manual is divided into the following three sections Part 1 Operator s guide The Operator s guide contains all the information required by an operator using the Gemini CVO Topics covered are m What the Gemini CVO does m The hardware components of the Gemini CVO W The software and the available tests m Initial procedures what needs to be done at the start of the day before the rheometer can be used This includes pre start checks and setting up the instrument W A tutorial on making a measurement W Basic maintenance procedures and troubleshooting information Part 2 Supervisor s Guide The Supervisor s guide contains all the information required by a supervisor using the Gemini CVO Topics covered are W Site requirements W Instrument setup for the purposes of moving the instrument
7. Table of Contents Part 1 Operator s Guide Introduction to this manual INTROGUGTION 5 istae un tege dirt x oa redes vos Bad ae 1 1 How to use this manual eee 1 2 Access to the instrument llle 1 3 Health and Safety 2 0 a tddi anini eee 1 3 Assumed information llle 1 3 Where to get help 00000 cee eee rA 1 4 Hardware features aige lelo iela ET 2 1 Typical rheometer system rnanan annan 2 2 The rheometer sssnnaa nananana anea 2 3 Back panel sun sux ERR EX ENG kee RR Rx beat ead is 2 6 Basic operation Introduction 0 0 ek aa A A Le eee 3 1 Setting up the rheometer aaa 3 1 Software settings llli 3 8 Final rheometer processes eee eee eee 3 15 Routine maintenance cc eee 3 15 4 Gemini amp CVO Rheometers Page 1 TS t Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com S ds MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM D e Page 2 Table of Contents Part 2 Supervisor s Guide Site requirements and installation Site requirements llllelesseleee err 4 1 Transporting or moving the instrument 4 5 Rheometer connection annaa n araneae 4 7 Setting up the software ee 4 8 Setting Up Users coasa ro
8. 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM Specification Gemini Ill rheometer Torque range 0 05uNm to 200mNm Controlled stress rate viscometry Controlled stress strain oscillation Torque resolution Better than 1nNm Position resolution Frequency range 50 nano radians 1 micro Hz to 150Hz Controlled speed range CR mode 0 01 milli rad sec to 600 rad sec Measurable speed range CS mode 10 nano rad sec to 600 rad sec Normal force NI measurement range 0 001 to 20N 50N option Step change in strain 10ms Temperature range 150 C to 550 C dependent on controller Nominal operating voltage 110 or 220V Size with Peltier plate 52cm H x 33cm W x 37cm D Weight with Peltier plate 28kg Gemini amp CVO Rheometers O Page A 1 o Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com SZ a MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM A Appendix A Page A 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Torque range Specification Gemini HR nano rheometer 10nNm to 200mNm controlled stress rate viscometry 3nNm to 200mNm controlled stress strain oscillation E Torque resolution Better than 1nNm
9. Capturing When using parallel plates it is possible to adjust the gap to the thickness of the sample as opposed to preparing your samples to the thickness of the gap Gap cap ture can be used to close the gap until the upper plate touches the sample see Chapter 2 for more details Zeroing at the Current Position It is possible to force a zero gap on the rheometer at any point From either gap or gap capture mode GAP light illuminated or flashing press the ZERO button on the instrument panel the current position is then taken as the zero reference point To reset the instrument simply repeat the standard zeroing procedure described in Chapter 2 MAN 0329 aa Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com SZ WZ ibs SN d il MAN 0329 4 0 Gemini amp CVO Rheometers Basic operation User Manual book Page 7 Tuesday November 30 2010 3 35 PM Chapter 3 Software settings This section runs through the process of performing an example test Selecting a test protocol The normal process for running tests is either to set up the required test parameters one by one or retrieve a pre defined test Alternatively a pre existing test can be loaded and then modified For the purposes of this example the parameters con tained in a file called EXAMPLE1 are used This file was automatically installed along with the software Note You
10. Chapter 3 Page 3 14 Basic operation Final rheometer processes Finally the sample and geometry must be removed and the rheometer shut down correctly follow the procedures given in this section Removing the sample and geometry It is important to clean the rheometer after use Samples left behind may attack the surfaces of the geometries 1 Lift the upper geometry clear of the lower one For very stiff or stringy sam ples it is better to undo the upper geometry before lifting the rheometer 2 Remove the geometries from the instrument 3 Clean the geometries Do not use abrasive or sharp implements as these may scratch or pit the surface Some geometries can be taken apart Pay special attention to cleaning the threads Also make sure any O rings on these geometries are not displaced from their recesses Shutting down the rheometer system 1 Remove the upper geometry 2 Ensure that the air bearing lock is in place as described earlier in this chapter 3 Exit the software and switch off the instrument switch at the back and tem perature control unit 4 Shut down Windows and then switch off the computer 5 Lastly turn off the compressed air line if required however it is acceptable to leave the air supply on even when the instrument is not in use Routine maintenance Please observe the following maintenance precautions for your Rheometer They should be performed regularly and at least withi
11. Instrumentation Guaranteed 888 88 SOURCE www artisantg com SA ds S MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM Introduction to this manual Introduction This manual covers the operation and maintenance of the Bohlin Gemini and CVO rheometers from Malvern Instruments These are precision instruments designed to provide accurate rheological measurements on a wide variety of materi als The instruments offer a broad range of torque and measurement capabilities in a single integrated package controlled by a software application running on a stand ard PC The Malvern Bohlin instruments covered by this manual are W Gemini HR nano W Gemini II m CVO 100 The aims of this manual are to W Explain what the Gemini CVO rheometers are and how they work W Describe the Gemini CVO hardware components W Describe the software and the tests it can run W Explain how to set up the instrument before making a measurement W Explain how to use the instrument to make a measurement W Identify the user maintenance and troubleshooting procedures m Show a supervisor how to set up users W Explain all Health and Safety issues Gemini amp CVO Rheometers Page 1 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A NS 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30
12. Manual book Page 3 Tuesday November 30 2010 3 35 PM 5 T Site requirements and setup Chapter 4 Air nitrogen Requirements for System The motor must be operated with a supply of compressed air at 3 Bar connected to the unit If the air supply pressure falls below about 2 Bar the air pressure sensor disables the drive to the motor and an alarm sounds Parameter Specification Specification ISO Standard 8573 1 quality class 121 Maximum size for dirt 0 1 microns Maximum size for oil 0 01 microns Maximum moisture dew point 40 C Air delivery at 25 litres min ISO Standard 8573 1 quality class 121 air Air delivery 60 litres min at 5 bar Filter setup The filter setup is shown in the diagram below This shows the following Compressor provides the initial unfiltered air or Nitrogen supply General air filter Malvern can supply a JUN AIR filter The top section of this has a high efficiency filter and a drier The bottom section has a dust oil filter Domnick Hunter filter system to further improve quality Malvern can supply this Parker filter regulator supplied as standard this regulates the air to the correct pressure for the air bearing Rheometer Note the following m Ifthe existing supply already meets the ISO Standard 8573 1 quality class 121 the only new part required is the Parker filter regulator amp Malvern supplies this m Ifthe supply does not meet the requi
13. Position resolution 50 nano radians Frequency range 1 micro Hz to 150Hz Controlled speed range CR mode 0 01 milli rad sec to 600 rad sec Measurable speed range CS mode 10 nano rad sec to 600 rad sec Normal force NI measurement range 0 001 to 20N 50N option Step change in strain 10ms Temperature range 150 C to 550 C dependent on controller Nominal operating voltage 110 or 220V Size with Peltier plate 52cm H x 33cm W x 37cm D Weight with Peltier plate 28kg MAN 0329 o N Y A US o MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 3 Tuesday November 30 2010 3 35 PM E Specification Appendix A CVO 100 rheometer Torque range 0 5uNm to 100mNm Torque resolution 1 nano Nm Position resolution 0 9 micro radians Frequency range 10 micro Hz to 100Hz Controlled speed range 50 milli rad sec to 320 rad sec CR mode Measurable speed range 0 1 micro rad sec to 320 rad sec CS mode Normal force NI 0 001 to 20N 50N option measurement range Temperature range 150 C to 550 C dependent on controller Nominal operating voltage 110 or 220V Size with Peltier plate 52cm H x 29cm W x 34cm D Weight with Peltier plate 27kg Normal force option available Gemini amp CVO Rheometers Page A 3 t Artisan Technology Group Quality Instrumentation
14. SOURCE www artisantg com SA ou P MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM D Appendix B Health and Safety The rheometer system components are mains powered devices and all power cables and electrical sockets should be treated accordingly Do not place cables in positions where they are likely to become wet Crush hazard Warning A Keep hands out of the area between the plates when closing the gap Hot components Warning A The Peltier plates cylinders ETC ETO etc may become very hot Take care when touching these for example for cleaning Wear heat proof gloves if required Warning A Take care with all hoses and hose connections carrying hot fluids to from Peltier plates cylinders ETC ETO etc Fluids circulator Follow all health and safety information in the circulator manufacturer s documen tation In particular observe the following warnings Warning A Do not touch hot surfaces Take care with liquids at high temperatures Warning A Do not use any flammable or acidic liquids within the circulator s reser voir Page B 2 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com je A NS Gg MINS MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 3 Tuesday November 30 2010 3 35 PM 5 Health and Saf
15. W Setting up users in the software Part 3 Appendices Appendix A contains the instrument specification Appendix B contains essential Health and Safety information which all users must read Appendix C provides troubleshooting information Other appendices contain supplementary informa tion not necessary for the general operation of the system MAN 0329 aa Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com E YV Z A NS 0 MINS E 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 3 Tuesday November 30 2010 3 35 PM Access to the instrument This manual refers to the various people who will have access to the instrument as follows Malvern personnel Malvern personnel service engineers representatives etc have full access to the instrument and are the only people authorised to perform service procedures that may require the removal of the covers Supervisor The supervisor is the person responsible for the management and safety of the instrument and its operation The supervisor is responsible for training the opera tors The supervisor can also perform all user maintenance routines identified in Chapters 4 Operator An operator is a person trained in the use of the system All operators should read Chapters 1 3 and perform all routines identified in Chapter 3 Warning Do not remove the main cover of the
16. correctly earthed electrical outlets The power cord supplied is equipped with a grounding connection to ensure grounding integrity is maintained Advice on use of Extension leads Follow this advice when using single or multiple socket extension leads These are also called trailing sockets W Ensure the lead is connected to a wall power outlet and not to another exten sion lead The extension lead must be designed for grounding plugs and plugged into a grounded wall outlet W Ensure that the total ampere rating of the products being plugged into the extension lead does not exceed the ampere rating of the extension lead m Use caution when plugging a power cord into a multiple socket extension lead Some extension leads may allow a plug to be inserted incorrectly W Incorrect insertion of the power plug could result in permanent damage to the instrument or accessory as well as risk of electric shock and or fire Ensure that the ground connection prong pin of the power cord plug is inserted into the mating ground contact of the extension lead Advice on use of AC adapters Warning A Do not use adapter plugs that bypass the grounding feature or remove the grounding feature from the plug or adapter m Place the AC adapter in a ventilated area such as a desk top or on the floor W The AC adapter may become hot during normal operation of the instrument or accessory Use care when handling the adapter during or immediately afte
17. screw contact Malvern Instruments Support for details and supervision on this procedure 3 Fit the transit plate contact Malvern Instruments Support for details and supervision on this procedure Gemini amp CVO Rheometers Page 4 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com YV Z A NS 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 6 Tuesday November 30 2010 3 35 PM 5 Chapter 4 Site requirements and setup em AS Fitting the chuck immobiliser The motor shaft is locked with a small piece of plastic tubing to prevent damage during transportation Once the air supply has been connected to the rheometer the bearing immobiliser tube may be connected as shown below Immobilised Ready for use ill 7898 The procedure is 1 Ensure the shaft lock is locked as shown in the left hand picture 2 Unscrew anti clockwise the collet from the chuck assembly and remove 3 Insert the immobiliser tubing 4 Replace the collet screw it clockwise 5 Removal of the chuck immobiliser is a reversal of this process Re Installation Procedure Not all of the following steps may be applicable to your instrument Refer to the illustration of the back panel in Chapter 2 Each step is described in more detail further below 1 Make all instrument connections for example air and communications cables Thi
18. the upper and lower geometries together 2 Slowly lower the upper geometry into place by pressing the down arrow The illustration below shows a correctly filled cone and plate sample is m m Gemini amp CVO Rheometers Page 3 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com E T amp M2 a S Om a MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 6 Tuesday November 30 2010 3 35 PM Chapter 3 Page 3 6 Basic operation Loading very viscous samples For very stiff or elastic samples it is possible that by try cr ing to compress them a large normal force is generated BT Oo This will be seen as increasing bars on the normal force display GAP SIZE If all bars illuminate the overload indicator will activate IET and the instrument will stop the head from moving down As the sample relaxes the normal force indicators should gradually reduce to two bars normal force and the overload light will go out The instrument will then compress again The speed of final descent can be adjusted by use of the speed control buttons on the front panel EED o Experiment to find the best setting for your samples Note By slowing the descent rate any damage to delicate materials such as weak gels is less likely Normal force overloads are also more unlikely with a slower descent rate E Gap
19. 30 2010 3 35 PM Regulatory statements This appendix presents regulatory information Gemini amp CVO Rheometers Page D 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com SZ 2 ou MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM Appendix D Regulatory statements CE Declaration of Conformity The CE badge on this product signifies conformance to European Commission Directives h CE Declaration of Conformity Malvern In accordance with ISO IEC 17050 1 Form 0734F CE Declaration of Conformity Issue 0002 Date 09 03 2009 Supplier details Document NAME NUMBER Issuer s Address ADDRESS OF MANUFACTURER CE declaration of conformity for GEM 200 XXX Enigma Business Park Rheometer with integrated Peltier electronics Grovewood Road Issuers Name NAME OF MANUFACTURER Malvern ted Worcestershire WR14 1XZ UK Malvern Instruments Li Product details Product description name and model number s Name Gemini rheometer with integrated Peltier electronics Models GEM 200 903 Description Gemini 2 rheometer base unit with integrated Peltier electronics GEM 200 913 Description Gemini 2 rheometer base unit with integrated Peltier electronics and 50N Normal force option EM 200 900HR Description Gemini HR nano rheometer base unit with integrated Peltie
20. 35 PM Chapter 3 Page 3 8 The stress viscometry window is displayed Bohlin Software CVO 120 File Edit Options Supervisor View Analysis Help E Basic operation Notes Reference VISCOMETRY Active File Measured Values Test Settings 00000e 00 rad Parameter File Desc PRA Oil No 12 2a User Variable we No of Repe 00 rc SUMMARY 0 000e 00 radis Pre Condition 0 0000e 00 1 s 0 0000e 00 Pas 00g Post Test Temperature Shear Stress Trip Manual Settings s Ja 0 000 Pa ats Measuring System CP 4 40 mm SELECT Select File Open Parameters from the menu Browse to the following folder Windows XP C Documents and Settings All Users MApplication Data Bohlin Rotational Examples PARAM Windows 7 C ProgramData Bohlin Rotational Examples PARAM Select the file named EXAMPLE1 PVW and click Open The geometry display now shows the 4 40mm Cone CP 4 40 O MAN 0329 6 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Mp En MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 9 Tuesday November 30 2010 3 35 PM Basic operation Chapter 3 Configuring test settings The following section explains the various items associated with the test The information in this section is only intended as a brief introduction For in d
21. 9 4 0 Gemini amp CVO Rheometers User Manual book Page 11 Tuesday November 30 2010 3 35 PM 5 Site requirements and setup Chapter 4 Although the supervisor sets up the initial password for each user they can change this at any time from Options User Preferences Should a user forget their password the supervisor can read or change this from the Supervisor menu Should a supervisor forget their password they should contact Malvern Instru ments for assistance Gemini amp CVO Rheometers Page 4 11 t Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com P gt INS MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 12 Tuesday November 30 2010 3 35 PM E Chapter 4 Site requirements and setup Page 4 12 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o YV Z e MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM Pert 3 pendices SZ Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM SZ Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com T 5 MAN 0329 4
22. E www artisantg com IA A a LQ 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 12 Tuesday November 30 2010 3 35 PM Chapter 3 Page 3 12 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 3 4 Saving data and recording results Y1 Axis Template Tic Spacing Scaling Type gt Logarithmic Automatic gt Manual Grid Lines Show Grid Lines king type ex Variable Viscosity Y VY Interpolation Line Type T To change the variable displayed on this axis click Then select the variable and click OK Each axis can accept up to nine varia bles as long as they have the same unit To save the data after running a measurement 1 2 3 Click File Save As from the menu bar Enter a name to describe the results e g MYDATA O E Basic operation Click on or near to the axis you wish to change The Axis Template window is displayed which allows you to select the variable for the axis the scaling type manual or auto and logarithmic or linear To print a hard copy of a data table select File Print alternatively choose File Plot for a graphical printout of the data MAN 0329 o e LR MIN MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 13 Tuesday November 30 2010 3 35 PM Basic operation Chapter 3 Data pr
23. NS o e 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM Chapter 3 E Basic operation 5 Press the up arrow on the instrument panel to start the initialisation This is the default behaviour of the up arrow on the keypad if Do not initialize has been selected in the Options Auto Gap Control General settings This raises the air bearing to a reference height and then lowers it to a rest position 6 Start the software by choosing Start All Programs Bohlin Bohlin RX XX X X where X is the current release number Alternatively choose the Bohlin icon on the desktop if this option was selected during installation 7 The software log in screen is displayed enter your User Name and Pass word if required the Supervisor will have set these up if necessary as described in Chapter 4 and also select the Instrument and Temperature Con trol then click OK Selecting the correct geometry Many different geometries can be used on the rheometer These fall broadly into three categories W Cup and bob coaxial cylinder W Cone and plate m Parallel plate For more information on geometries refer to the Accessories Guide Installing the geometry The following example uses a Cone with a 4 angle and having a diameter of 40mm as supplied with the rheometer This is referred to as a CP 4 40 If using the ETC accessory please refer to the Accessories Gu
24. VO Rheometers User Manual book Page i Tuesday November 30 2010 3 35 PM Gemini amp CVO Rheometers User Manual MANO3eS Issue 4 0 November 2010 o Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o 5 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page ii Tuesday November 30 2010 3 35 PM SW i Copyright Malvern Instruments Ltd 2010 Malvern Instruments makes every effort to ensure that this document is correct However due to Malvern Instruments policy of continual product development we are unable to guarantee the accuracy of this or any other document after the date of publication We therefore disclaim all liability for any changes errors or omissions after the date of publication No reproduction or transmission of any part of this publication is allowed without the express written permission of Malvern Instruments Ltd Head office Malvern Instruments Ltd Enigma Business Park Grovewood Road Malvern Worcestershire WR14 1XZ United Kingdom Tel 44 0 1684 892456 Fax 44 0 1684 892789 Windows is a registered trademark of the Microsoft Corporation Printed in England T ZIN Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM em NS
25. e upper pipe connector of the three The air supply is at a pressure of 3 bar or 2 bar on Gemini HR Nano instruments and should follow the filtration specification given later in this chapter Caution Never connect a water supply to the AIR input it will irreparably damage the air bearing 2 Connect the motor cooling kit if supplied This is an air cooling kit com prising a Tee piece an extra length of pipe and a silencer On some instruments a water cooling kit is supplied comprising a small tank with integral pump On the back of the rheometer there are two pipe connec tors labelled Cooling or Motor Cooling If installing an air cooling kit fit the exhaust into one connector and use a Tee connector from the main air supply into the other If installing a water cooling kit connect two pipes from the pipe connectors to the tank s pipe connectors 3 Ensure the chuck lock is in place 4 Switch on the air supply then unscrew the chuck mechanism and remove the plastic tube from the motor shaft and replace the chuck Retain the tube for future use 5 Install the software onto the PC 6 Connect the cables between the PC and the instrument This requires two serial ports Connect one serial cable to the Instrument Port on the instrument the other to the Gap control input Alternatively a USB to serial port converter can be used to connect to the Gap control on the instrument Gemini amp CVO Rheometer
26. efore scrupulously cleaning it up Page B 6 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com N Z N 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 7 Tuesday November 30 2010 3 35 PM 5 Health and Safety Appendix B D gt MIN Moving the system If it is necessary to move or transport the system a supervisor must follow the pro cedures given in Chapter 4 Warning Use proper lifting techniques to avoid back injury Always lift the instru ment by holding it under its base Never lift an instrument by precision parts such as the bearing TCU or by its covers Disposing of the instrument When the need eventually arises to dispose of the system this should be done in a responsible manner Follow these guidelines W Refer to any local regulations on disposal of equipment in Europe refer to the information below m Seek advice from the local Malvern Instruments representative for details W Decontaminate the instrument if hazardous materials have been used in it Disposal of Electrical amp Electronic Equipment The following is applicable in the European Union and other European countries with separate collection systems ill 7610 This symbol on the product or on its packaging indicates that when the last user wishes to discard this product it must not be treated as general waste Instead it shall be handed over to
27. elect Temperature Control Dy Plates User Name Password m To leave the system open so that anybody can use it click OK W To make the system more secure login with the User Name SUPERVISOR and then add users as detailed below The software does not require a password to be entered at this point however it is recommended that one be assigned to the supervisor account E MAN 0329 O Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o T WW ou e MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 9 Tuesday November 30 2010 3 35 PM T E E Site requirements and setup Chapter 4 Instrument Serial Port COM port Before using the software to control a rheometer you must configure the commu nications COM ports as follows 1 Select Options Instrument Serial Port INSTRUMENT SERIAL PORT SETUP Restart Communications 2 Select the correct COM ports 1 to 4 for the instrument and gap control if used Also ensure that the mode is set to On Line Ideally the Windows link should be connected to the lowest available COM port Ifa USB to serial adapter is used the COM port is assigned automatically by Windows Establish which port is being used and then enter this number into the Bohlin software General Heading for printouts This option places a heading o
28. elp line is primarily English speaking Remote support Malvern Instruments offers a remote support service delivered by an Internet con nection Benefits include fast and efficient fault diagnosis reducing downtime and costs On line user training is also available plus software updates A high speed Internet connection is recommended for making use of this facility Malvern website www malvern com The Malvern website offers a comprehensive range of materials characterisation resources for use by customers 24 hours a day seven days a week Resources include software downloads frequently asked questions a knowledge base and application notes plus information on other materials characterisation solutions that Malvern can provide Gemini amp CVO Rheometers Page 1 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com N Z N P gt INS 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 6 Tuesday November 30 2010 3 35 PM E Chapter 1 Introduction to this manual Page 1 6 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o YV Z SA ds S MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM Hardware features Introduction This chapter provides an overview of the rheometer s main hardware fea
29. epth information please refer to the Help system in the software by selecting Help Contents Reference A heading for each sample can be entered here This heading is displayed whenever you list files Notes Sample notes and observations can be entered here Pre shear The pre shear function allows you to automatically pre shear a sample before test ing it This is useful for looking at materials with shear history dependence i e thixo tropic materials To use an equilibrium time without the pre shear select the Apply Pre shear check box and set the Apply Time to 0 PRE CONDITIONING Gemini amp CVO Rheometers Page 3 9 0 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ce 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 10 Tuesday November 30 2010 3 35 PM 5 Chapter 3 Basic operation Shear stress selection The standard test you have loaded is a stepped shear stress test table of shears 1 Click the above button to display the Viscometry Parameters window Viscometry Parameters Table of Shears Options Help X Cancel Controlled Stress z Min Shear Stress Pa Max Shear Stress Pa Samples Logarithmic ba Delay Time s 30 0 jv Decreasing Delay Time Maximum Timeout s 15 0 Up amp Down l Test Time s 310 1 2 Select each shear stress value in the table that is required for use
30. eters Serial number 1 4 Site requirements 4 1 Software starting 4 8 Standard tests screen 3 8 Starting the system 3 1 Supervisor Logging in as the supervisor 4 8 Setting up users 4 9 T Temperature control mode 3 12 Test settings 3 10 starting 3 12 U Uninterruptible Power Supply UPS safety B 5 user accounts 4 10 User Passwords 4 10 W Website 1 5 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o T amp M2 a A rtisan Artisan Technology Group is your source for quality Tecmoboycrow new and certified used pre owned equipment FAST SHIPPING AND SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT DELIVERY Experienced engineers and technicians on staff Sell your excess underutilized and idle used equipment TENS OF THOUSANDS OF at our full service in house repair center We also offer credit for buy backs and trade ins IN STOCK ITEMS www artisantg com WeBuyEquipment EQUIPMENT DEMOS HUNDREDS OF Instra REMOTE INSPECTION LOOKING FOR MORE INFORMATION MANUFACTURERS Remotely inspect equipment before purchasing with Visit us on the web at www artisantg com 7 for more our interactive website at www instraview com information on price quotations drivers technical LEASING MONTHLY specifications manuals and documentation RENTALS ITAR CERTIFIED a aed Contact us 888 88 SOURCE sales artisantg com www artisantg com
31. etting for several of the more common geometries See the Accessories Guide for more information Double gap Use the supplied coin to set the gap as detailed in the Accessories Guide Parallel plate Use the same process as described previously in this section for the 4 40 Cone but back off by the required gap rather than 0 15 mm Remember to ensure that the correct value for the gap is also used in the software Other geometries Other angle Cones will have different the truncation heights as described in the Accessories Guide Use this value instead of 0 15 mm in the above procedures Other geometries will be supplied with specific gap setting instructions when pur chased from Malvern Sample loading When applying a sample it is important that the correct amount is used Over filling or under filling will result in errors in the data For samples where solvent loss or drying may be a problem a solvent trap can be used with the geometry Alternatively a small amount of low viscosity silicone fluid e g 2 5 mPas can be placed around the geometry If this is done it is impor tant to ensure that the oil does not mix in with the sample during the test and that the viscosity of the oil is much less than that of the sample being measured 1 Place the sample on in the lower geometry With cone and plate or parallel plate geometries it is normally easier to slightly over fill and then trim off any excess sample after bringing
32. ety Appendix B Liquid nitrogen The Low Temperature Unit LTU option available for the Extended Tempera ture Cell ETC uses liquid nitrogen to provide cooling Strict safety guidelines and training must be employed when using liquid nitrogen Warning A Before using liquid nitrogen read the safety guidance in the Liquid Nitro gen Safety Guide If in doubt contact Malvern Instruments Warning A Asphyxiating gas use only in a well ventilated area which has been risk assessed Warning Extreme cold wear hand eye and foot protection gt Gemini amp CVO Rheometers Page B 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A NS 0 MINS e 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 4 Tuesday November 30 2010 3 35 PM Appendix B Health and Safety Power cords and Power safety The notes in this section indicate best practice Follow these when connecting the Malvern instrument to the power supply Power cord set requirements Power cord sets must meet the requirements of the country where the product is used For further information on power cord set requirements contact a Malvern Instruments representative General requirements The requirements listed below are applicable to all countries W The power cord must be approved by an acceptable accredited agency respon sible for evaluation
33. g the gap Setting the correct gap For accurate measurements it is essential to have the correct gap setting for each geometry An incorrect gap will lead to errors in the results especially when small gaps or small Cone angles are involved For more explanation of the control panel see Chapter 2 Automatic gap setting for the 4 40 Cone 1 2 3 Insert the 4 40 Cone into the rheometer Ensure the chuck lock is in the locked position Press ZERO on the front panel The instrument now finds the zero position i e where the Cone just touches the lower plate automatically Wait until the OK light is shown on the instrument and 0000 is shown Press the Up button on the control panel to move the geometry up Load the sample Select the geometry from the software to set the required gap of 0 15mm Press the Down button to go to gap The GAP light switches off and the OK light switches on the gap is now set The GAP SIZE indicator reads 0150 E Note Q 150 m is the truncation height of the 4 Cone Page 3 4 MAN 0329 aa Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com T TS A NS 0 MINS E 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 5 Tuesday November 30 2010 3 35 PM Basic operation Chapter 3 Gap setting for other geometries The following section gives information on gap s
34. hed on and the last to be switched off Rheometer high specification air bearing motor with torque position gap and Normal force control and also measurement control Computer running the Bohlin software Air supply provides air to the air bearing inside the rheometer Peltier water supply provides water to the peltier plate cylinder CVO only Electronics control unit provides the necessary electronics control for pel tier plate cylinder units Gemini only Motor cooling kit not shown provides water cooling for instrument motor Page 2 2 O MAN 0329 o Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com YV Z S dl D ae 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 3 Tuesday November 30 2010 3 35 PM 5 Hardware Features Chapter 2e The rheometer The main parts of the instrument are as follows 12 o O 9 Q 9 ill 8573 D Bearing high specification air bearing motor with torque position gap and Normal force control and also measurement control Control panel provides keypad access to control the instrument described in the next section Chuck secures the upper geometry in place Chuck lock locks the chuck so that the bearing is not damaged when the instrument is transpo
35. ide for more details on using the upper geometry holder 1 Turn the chuck so that one of the flats faces the front 2 Slide the air bearing lock to the left to lock the chuck If the lock will not slide freely gently turn the chuck until the lock slides freely see below Page 3 2 O MAN 0329 o Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com T Sje ce 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 3 Tuesday November 30 2010 3 35 PM 5 Basic operation Chapter 3 3 Loosen the chuck by turning it clockwise looking down on the rheometer 4 Insert the upper geometry If it cannot be inserted freely loosen the chuck fur ther 5 Push the geometry up into the chuck as far up as it will go and then tighten the chuck Lightly push the geometry whilst tightening the chuck to ensure correct fitting Gemini amp CVO Rheometers Page 3 3 Ha Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ND ibs Zl i a e 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 4 Tuesday November 30 2010 3 35 PM Chapter 3 Basic operation Move the air bearing lock to the right to free the chuck Gently set the spindle rotating by hand to ensure that it is free If setting the gap next free the chuck only after loading the sample and zeroin
36. ilated if noxious materials or solvents are used Chapter 4 Site requirements and setup E W Ona horizontal vibration free bench that can support the weight of the instru ment 28kg Operating environment The instrument is designed for correct operation under the following conditions Altitude Up to 2000m Operating tempera H10 35 C ture Storage temperature 20 50 C for storage and transportation Air humidity 10 90 non condensing Protection class IP20 IEC 60529 Power supply Corresponds to Class according to VDE 0106 T1 Not for use in an explosive atmosphere Max mains fluctuation of 10 are permissible Overvoltage category II IEC 60664 Pollution degree 2 IEC 60664 Power requirements The power supply must be clean and filtered If necessary fit an Uninterruptible Power Supply UPS to remove any spikes or noise The power requirements are Component Power requirement Rheometer 100 240V 50 60Hz 16A single phase supply Power sockets Active heat exchanger 110V 60 Hz 230V 50 or 60Hz Computer See manufacturer s documentation Computer monitor See manufacturer s documentation Printer See manufacturer s documentation Page 4 2 O Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o T je NIA E Es 5 MAN 0329 4 0 Gemini amp CVO Rheometers User
37. in the country where the power cord set will be installed W The power cord set must have a minimum current capacity of 10A 7A in Japan only and a nominal voltage rating of 125 or 250 volts AC as required by each country s power system W The area of the wire must be a minimum of 0 75mm or 18AWG and the length of the cord must be less than 3m W Route the power cord so it is not likely to be walked on or pinched by items placed upon it or against it or become wet Pay special attention to the plug the electrical outlet and the point where the cord exits the product Warning Do not operate this product with a damaged power cord set If the power cord set is damaged in any manner replace it immediately Warning A Do not use the power cord received with this product on any other products Power safety information The following notes indicate guidelines to follow when connecting the Malvern Instruments power supply using single and multiple extension leads connection via AC Adapters and use of Uninterruptible Power Supplies UPS Page B 4 O MAN 0329 o Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com T Sje 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 5 Tuesday November 30 2010 3 35 PM 5 D gt MIN Health and Safety Appendix B Warning A To prevent electric shock plug the instrument or accessory into
38. in the test The usual Windows selection actions apply e g CTRL and click for individ ual item selection de selection Refer to the help system for more informa tion To select all of the values click the All button 3 Click OK when the required values have been selected Page 3 10 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com e MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 11 Tuesday November 30 2010 3 35 PM Basic operation Chapter 3 Temperature control mode The standard test is designed to work in isothermal mode i e at one temperature The other modes of operation are table or gradient operation Le S Starting a test 1 Ensure that the sample is loaded in the instrument 2 Check that the air bearing lock chuck lock is not on see Chapter 2 and then click the Start button 3 The test will now start 4 Pressing the Abort Test icon will cause the test to stop immediately Modifying the screen display It is possible to alter the screen graph to suit your requirements When saving data the layout of the graph will also be saved 1 Select the Cursor arrow tool from the toolbar on the right panel IX pe Note some of the options shown here vary depending on the instrument Gemini amp CVO Rheometers Page 3 11 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURC
39. instrument Failure to follow these guidelines could result in exposure to hazardous voltages The front cover of the instrument should only be removed for transportation purposes by a supervisor in and strict accordance with the procedure in Chapter 2 E Introduction to this manual Chapter 1 Health and Safety For all Health and Safety information refer to Appendix B the Accessories Guide and the Liquid Nitrogen Safety Guide Assumed information Naming convention The Gemini CVO is referred to either in full as the Gemini CVO or as the instrument Gernini amp CVO Rheorneters Page 1 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com T TS A NS 0 MINS e 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 4 Tuesday November 30 2010 3 35 PM Chapter 1 Page 1 4 Introduction to this manual Menu commands Menu commands in the software are always shown in bold text in this form main menu menu item submenu item For example the command Tools Options refers to selecting the Options command from the Tools menu Where to get help Other manuals The following additional manuals are supplied with the system Accessories Guide This guide gives details on the specification connection and use of all temperature controllers as well as the geometries available to use with the rheometer Liquid Nitrogen Safety G
40. iser 4 6 chuck 4 6 lock 3 2 chuck lock 3 4 Increase decrease rotation speed 2 5 Instrument Control panel 2 4 parts identified 2 3 Cord set safety B 4 Installation Crush hazard B 2 Installing the software 4 8 E Instrument Serial Port 4 9 Earthing B 1 L Electrical warnings B 1 Liquid Nit Environmental conditions 4 2 ae n eem Extension lead safety B 5 Logging in 4 8 j M Filter setup 4 3 Fluids circulator health and safety B 2 Maintenance 3 15 Malvern personnel 1 3 Menu commands in text 1 4 G Model number 1 4 Modifying the screen display Gap basic axis set up 3 12 capture 2 5 Moving the system B 7 size 2 5 setting 3 4 N zero 2 5 Normal force indication 2 4 GAP light 2 5 Gemini amp CVO Rheometers Page i TS t Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A NS 0 MINS e 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page ii Tuesday November 30 2010 3 35 PM Index O OK light 2 5 Operating environment 4 2 Operator tasks 1 3 Overload warning light 2 5 P Passwords 4 10 Power cord safety B 4 Power requirements 4 2 Power safety information B 4 R Raise lower head 2 5 Regulatory statements D 1 Remote support 1 5 Removing the immobilizer 4 6 Removing the sample 3 15 Rheometer parts identified 2 3 S Sample handling warnings B 6 Sample loading 3 5 Pages ii o E Gemini amp CVO Rheom
41. l movement gapping speed or SLOW FAST FAST or increases the vertical movement gapping speed of the geometry SLOW or decreases the speed The speed setting is only effective when the upper geometry within approximately 5mm of the lower geometry Gemini amp CVO Rheometers Page 2 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com E T is AN e 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 6 Tuesday November 30 2010 3 35 PM Chapter 2 Page 2 6 Hardware features Back panel The following illustrations provide details on the connections located on the back panel of the instrument 00 OO eo Instrument port connection to one of the computer s COM ports that pro vides the main interface with the rheometer The COM port number to which this is connected is required by the Bohlin software under Options Instru ment Serial Port Gap control connection to one of the computer s COM ports dedicated to gap control The port number to which this is connected is required by the Bohlin software under Options Auto Gap Control Serial Port TCU connector for controlling with Temperature Control Units PT 100 connector for a PT 100 temperature sensor cable TC1 2 inputs for thermocouple sensors from external temperature control lers Air 3 bar 2 bar on Ge
42. llation is always carried out by a Malvern representative this information is provided for reference should the rheometer need to be moved or the software re installed or installed onto a new computer Retain all packing mate rials in case the instrument has to be transported Caution A Failure to follow the correct transport procedures outlined in this section could result in permanent damage to the instrument Caution A The air supply should be connected and switched on before commencing these procedures The following processes vary depending on the type of instrument that you have contact Malvern Instruments to confirm this if in doubt Instruments without normal force capability Whether shipping the instrument or relocating to another location m Fit the chuck immobiliser only this is done before switching off the air Instruments with normal force capability Instruments with a strain gauge normal force capable instruments are very sensi tive to movement and require the following preparation to avoid damaging the bearing before moving Moving an instrument over smooth floors on a trolley m Fit the chuck immobiliser only this is done before switching off the air as described in the next section Shipping an instrument or moving over rough ground 1 Fit the chuck immobiliser this is done before switching off the air as described in the next section 2 Tighten the strain gauge locking
43. may not see all of the information shown in this section if the Super visor user has limited your access rights to the software Additionally the options shown on this screen vary depending on the instrument in use 1 Click the Viscometry button in the Bohlin software E Bohlin Software CVO 120 File Options Supervisor Help Standard Tests VISCOMETRY OSCILLATION RELAXATION STRESS GROWTH MULTIPLE FREQUENCY OSCILLATION Measuring System i Add Fi Delete Bun 25 Edit E Properties Parameter Summary Application Data B ohlin Rotational asphalt tests ob grade pow Original Binder Grade Application Data Bohlin Rotational asphalt tests ob linearity pow Original Binder Linearity bee PURI AAI Users Application Data Bohlin Rotational asphalt tests ob pow Original Binder SELECT Application Data Bohlin Rotational asphalt tests pav grade pow PAV Binder Grade Manual Settings Application Data Bohlin Rotational asphalt testsNpav pow PAV Binder Temperature Application Data Bohlin Rotational asphalt tests itfo grade pow RTFO Binder Grade ec Bohlin Rotational asphalt tests cannon standard pow Cannon Standard 2 Gemini amp CVO Rheometers Page 3 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com IP EN E 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 8 Tuesday November 30 2010 3
44. mentation Guaranteed 888 88 SOURCE www artisantg com 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM T Site requirements and setup Site requirements Space required Provide enough space to allow easy access to all components The minimum bench space required is 1500mm wide and 800mm deep We recommend that the computer is positioned to the right of the instrument with its screen at the same height as the rheometer keypad Ifa Heat exchanger is used place it on the bench on the left of the instrument or on the floor If an Active heat exchanger is used place it on the floor Allow at least 800mm above the bench surface for access to the instrument The system dimensions are given below Component Width Depth Height Weight Rheometer 490mm 485mm 680mm 47kg Water cooling kit 180mm 288mm 258mm 8 75kg full Dewar flask LN2 option 950mm 950mm 850mm 27 6kg full Computer and printer See manufacturer s documentation Gemini amp CVO Rheometers Page 4 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com TS NP NS e 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM Environmental conditions The site must be W Indoors and away from strong light windows m Away from heat sources like radiators m Well vent
45. mini HR Nano air bearing air supply MAN 0329 T O NG Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com LR MIN MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 7 Tuesday November 30 2010 3 35 PM Hardware features Chapter 2 E Note Q The air supply must be 3 bar or 2 bar on a Gemini Nano HR and meet the specification in Chapter 4 If the pressure falls below 2 Bar the motor is disabled and an alarm sounds Cooling Air Water optional motor cooling for the system input or output see Chapter 4 Cooling Air Water optional motor cooling for the system input or output see Chapter 4 Power supply in switch provides power to the rheometer Gemini amp CVO Rheometers Page 2 7 o Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o A Z N P gt INS 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 8 Tuesday November 30 2010 3 35 PM E Chapter 2 Hardware features Page 2 8 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o YV Z SA ds S MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM Basic operation Introduction This section assumes that the instr
46. moving up or down a brief press of the opposing direction key on the control panel will stop the head from moving GAP light lit when the gap is not yet set or is being set When the gap light is lit the display can be adjusted to set a new value using the down and up arrows for the required gap If the gap light is flashing the instrument is in gap capture mode and the actual gap is being adjusted GAP set the gap There are two methods of use Gap setting mode briefly press the GAP button to enter gap setting mode The display shows the required gap which can be adjusted by use of the up and down arrows Whilst in gap mode the OK light is off and the GAP light is on Press the GAP button again to accept the value on the display The GAP light will go off and the OK light will come on Gap capture mode press and hold the button to enter gap capture mode The OK light will go off and the GAP light will flash Use the up and down arrow keys to adjust the current gap The head will move to match the dis played value Press the gap button again to accept the new gap The GAP light will go out and the OK light will come on Zero gap automatically zero the gap This button also allows you to force zero if you are in the Gap mode Gapping vertical movement speed indicator providing information on the vertical gapping speed of the geometry all lights lit indicates maximum speed Increase decrease vertica
47. n each printed sheet in any printout of data table of results or graph for example the company or departmental name To do this 3 Select Supervisor System Settings 4 In the General Heading field enter the company name and department if required 5 Click OK This heading is then shown on all prints and plots of data Gemini amp CVO Rheometers Page 4 9 O Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o T 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 10 Tuesday November 30 2010 3 35 PM 5 Chapter 4 Site requirements and setup D gt MIN Setting up users The following section provides details on how to set up user accounts About user accounts The log in screen serves two purposes Its main use is to enable system settings and preferences to be stored on a per user basis After a user has successfully logged in to the software any changes that they make to tests graphs or options are stored The next time they use the software all their settings will be restored even if the program has since been used by someone else The second optional use of the log in function is to control access to the software and hence the rheometer Access control determines who can use the rheometer as well as being able to place restrictions on what the user can alter from within the software Creating user accounts When the Bohli
48. n exceeded The rheological results may be affected and the test may be aborted if no lower stress can be attained as part of the test Display panel error codes The following is a list of possible error messages that can be shown on the instru ment display panel E 1 Unable to zero gap Check that the electronics box is switched on that a measuring system is correctly installed and that the air is at the correct pressure E 2 E 3 E 4 E 5 Error on power supply Check that the instrument mains power supply is functioning correctly If so con tact your Malvern Instruments representative E 6 Bad normal force when determining position Check that both the air supply and electronics box is switched on If the error per sists contact your nearest Malvern Instruments representative E 7 Unable to find reference sensor Switch off the instrument and manually move the bearing to the midway position To do this use the knob on the top of the CVO instrument or if using a Gemini remove the black stopper on the top of the instrument and insert the crank handle Switch the instrument on again If the error persists contact your Malvern Instru ments representative E 8 E 9 Bad normal force reading Ensure that the air is at the correct pressure Ensure that the measuring systems are not bonded together i e a stiff sample between them If so loosen the upper meas uring system before trying to raise the gap If the e
49. n software is first installed it is set up as an open system i c no user name is required to log in and hence gain access to the rheometer In this mode anyone can access the software When a user is registered they retain their own preferences on the system To create accounts for each user of the rheometer 1 Loginto the software as the supervisor see above 2 Select Supervisor User Configuration 3 Click the Add button The software prompts for a new user name 4 Enter the login name for this user this can be up to 8 characters long and must consist only of the letters A to Z For example a user called James Smith might be given a login name of JSMITH 5 Click OK 6 With the new user selected in the User List enter their Full Name e g James Smith and a Password if required 7 Each user can have unique analysis page colours graph axes and instrument settings on the first use these will be set to the default settings Passwords Passwords are case sensitive so PASSWORD Password and password are all per ceived differently by the software Ensure that all users of the software are aware of this fact It is generally a good idea to select passwords that are at least 5 characters long Any key that can be typed can be used as part of the password Page 4 10 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com N Z N LR MIN MAN 032
50. n the periods stated below Before use Make sure that the geometries are clean and free from deep scratches Never try to attach or use any geometry with obvious visible damage MAN 0329 aa Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com E T TS 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 15 Tuesday November 30 2010 3 35 PM 5 D gt MIN Basic operation Chapter 3 After use m Clean up any spillage of samples on the rheometer and clean the geometries used m Remove the geometry and if necessary clean the instrument m Remember to make backup copies of your data files m Switch off the instrument and accessories and remove mains lead s before cleaning Use a soft cloth dampened with a mild detergent solution In extreme cases isopropyl alcohol or acetone may be used take appropriate precautions when using these solvents Do not spray cleaner directly onto the instrument and do not use abrasive cleaners m Where the air supply is part of the site services this can be left on if required If using a compressor turn off the air supply and the mains to the compressor then open the drain valve on the compressor m Check the geometries for damage Any visible scratch may cause erroneous measurements Be sure to observe great care in handling the geometries Attach and remove them carefully Always store them in their boxes Weekl
51. nformity Issue 0002 Date 09 03 2009 Enigma Business Park Grovewood Road 3 Malvern DM Worcestershire WR14 1XZ UK rn Instruments Limited aa 2 Model s CVO 100 CVO 120 CVO 150 Description Rheometer EMC directive 2004 108 EC Low Voltage Directive 2006 95 EC BS EN 61326 1 2006 BS EN 61010 1 2001 and part 2 as required aa Blg i Malvern Instruments Limited UK 5 F Gemini amp CVO Rheometers Page D 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com LQ MIN MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 4 Tuesday November 30 2010 3 35 PM Appendix D Page D 4 O E Regulatory statements Gemini amp CVO Rheometers o Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com YV Z 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page i Tuesday November 30 2010 3 35 PM T Index A Gap setting 3 4 Doubl 3 5 AC adapter safety B 5 ro Sud Access to the instrument 1 3 Sekvero aan then dy Air bearing geometry installation 3 2 selection 3 2 Chuck lock 3 2 Air requirements 4 3 B H Back panel 2 6 Hardware overview 2 2 Basic user maintenance 3 15 Health and Safety B 1 C Help desk 1 4 Hot components B 2 Cable safety B 4 CE Declaration D 2 I chuck te immobiliser fitting immobil
52. o cnni ae PE nne 4 9 Part 3 Appendices Specification Gemini Il rheometer 0000 cee eee A 1 Gemini HR nano rheometer 02 e eee A 2 CVO 100 rheometer sesak eee A 3 Health and Safety General warnings and regulatiOnS B 1 Electrical warnings and regulatiOnS B 1 Crush hazard iie i aie ates a ao ada Pata GUD Glande B 2 Hot components ee B 2 Fluids circulator dessine AA BUR Ed B 2 Liquid nitrogen i i3 sb e AA eae bugs B 3 Power cords and Power safety B 4 Sample handling warnings lille B 6 Troubleshooting Software notes n n ntn nnn C 1 Display panel error COdeS C 3 Regulatory statements CE Declaration of Conformity D 2 E Gemini amp CVO Rheometers MAN 0329 O Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o T je e MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM Part 1 Operators Guide SZ Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM SZ Artisan Technology Group Quality
53. ocessing The software allows you to compare data fit models and perform many other func tions with your data For more information refer to the on line help system The following section shows how to compare the data generated by the test with the reference data supplied as part of the example data 1 Select File Merge from the menu 2 Setthe directory to Windows XP C Documents and Settings All Users MApplication Data MBoh linNRotationalNExamplesNUMEXAMP Windows 7 C ProgramData Bohlin Rotational Examples UMEXAMP 3 Click on the file name OILREF1 and then click OK 4 The graph showing both sets of data is displayed E Note The calibration value of the oil supplied to you may be slightly different to the one on the example disc The main consideration is that the data is a straight horizontal line and has the same value as shown on the verifica tion document supplied 5 96 To obtain a print and plot of this data follow the instructions given previously To return to the main menu click the return button twice once to switch back to the test screen then again to return to the standard tests page Gernini amp CVO Rheorneters Page 3 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A NS em AS e 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 14 Tuesday November 30 2010 3 35 PM
54. r operation m Use only the Malvern provided AC adapter approved for use with the instru ment and or accessory Use of another AC adapter may cause a fire or explo sion Advice on use of Uninterruptible Power Supplies UPS To help protect the instrument and or accessory from sudden transient increases and decreases in electrical power use a surge suppressor line conditioner or UPS Gemini amp CVO Rheometers Page B 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com N Z N 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 6 Tuesday November 30 2010 3 35 PM 5 D gt MIN Appendix B Health and Safety Sample handling warnings m Always handle all substances in accordance with the COSHH Control Of Substances Hazardous to Health regulations UK or any local regulations concerning sample handling safety m Before using any substance check the Material Safety Data Sheets for safe han dling information m Use the instrument in a well ventilated room or preferably within a fume cup board if the fumes from the sample or dispersant are toxic or noxious m Wear personal protective equipment as recommended by the Material Safety Data Sheets if toxic or hazardous samples are being handled particularly dur ing sample preparation and measurement m Wear protective gloves when handling hazardous materials or those that cause skin infection
55. r electronics Directive s and Standard s to which conformity is declared EMC directive 2004 108 EC Low Voltage Directive 2006 95 EC BS EN 61326 1 2006 BS EN 61010 1 2001 and part 2 as required Additional Information bove rheometer base units have been assessed for conformity with the following Peltier plate and Peltier cylinder emperature Control Units CVO2004 Description Gemini 2 and HR nano Integrated Cone and Plate Peltier Mechanics 2 and HR nano Integrated Peltier Cylinder C25 Mechanics emini 2 and HR nano Integrated Peltier Cylinder C37 Mechanic I hereby declare that the product specified conforms gt with the provisions of Council Directive s and ee F Data o laayo standards listed above Lm ZC 24th September 2010 Signed for and the behalf of Malvern Instruments a Limited Place of issue Name Function Malvern Instruments Limited UK Steve Anderson NPI Operations Manager Page D 2 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ce MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 3 Tuesday November 30 2010 3 35 PM Regulatory statements Appendix D The CE badge on this product signifies conformance to European Commission Directives b CE Declaration of Conformity Malvern In accordance with ISO IEC 17050 1 Form 0734F CE Declaration of Co
56. rement the additional filters O and O are also required to bring the supply up to the standard Malvern can supply these The filters in the above components are user replaceable refer to the manufac turer s documentation for each filter Gemini amp CVO Rheometers Page 4 3 O NG Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com LR MIN MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 4 Tuesday November 30 2010 3 35 PM 5 Chapter 4 Site requirements and setup m Air nitrogen requirements for optional accessories an additional regulator tap on the filter is supplied for these Option Air requirements Extended Temperature Cell ETC 5 bar of nitrogen air at 25 litres min Extended Temperature Option ETO 5 bar of air at 50 litres min or optionally 7 bars at 120 litres min for cooling to 10 C Ifthe ETC is to be supplied by the same air nitrogen source an additional regulator may be attached to the main filter regulator See the ETC section in the Accesso ries Guide for more information Page 4 4 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com YV Z A NS ee US MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 5 Tuesday November 30 2010 3 35 PM 5 Site requirements and setup Chapter 4 Transporting or moving the instrument First insta
57. rror persists contact your Mal vern Instruments representative E 10 E 11 Unable to initialise normal force system This error means that the air is not switched on or the electronics box is not switched on If the error persists contact your Malvern Instruments representative Gemini amp CVO Rheometers Page C 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A Z N LR MIN MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 4 Tuesday November 30 2010 3 35 PM 5 Appendix C Troubleshooting E 12 E 13 Stepper motor fault Switch the instrument off and manually move the bearing to around the midway position then switch on again To do this use the knob on the top ofthe CVO instrument or if using a Gemini remove the black stopper on the top of the instru ment and insert the crank handle If the error persists contact your Malvern Instruments representative E 14 Normal force safety cut out When the instrument is heading towards the gap position an excessive normal force loading will cause it to immediately reverse direction and lift the head Remove the source of the problem and press the down arrow key Page C 4 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A Z N a MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November
58. rted Gernini amp CVO Rheorneters Page 2 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com SZ IP A En 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 4 Tuesday November 30 2010 3 35 PM Chapter 2 Page 2 4 O Hardware features Upper geometry the upper geometry is inserted into the chuck Lower geometry this is held in place by the Easy Swap geometry clamp Plastic cover or bib covers the lower plate temperature controller clamping mechanism It also covers the temperature controller 16 pin D connection input Gemini only that allows temperature controllers see Accessories Guide to be controlled by the instrument On CVO rhe ometers this is accomplished through a separate control box which is con nected to the rear of the instrument Metal trim this protective cover sometimes referred to as a bib protects the lower casing of the instrument from sample spillage Plastic cover release catch when pressed downwards allows the plastic cover to be removed Adjustable feet for levelling the instrument Control panel The CVO Gemini share the same functions but the arrangement of the control panel differs slightly as shown in the illustrations below NORMAL FORCE E o m ex o Gemini CVO Q E FORCE AL ovin ers enit GAP SIZE Eg o IBE 6 O LG GAP SIZE m
59. s Page 4 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A Z N KIA KI o e 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 8 Tuesday November 30 2010 3 35 PM Chapter 4 Page 4 8 Site requirements and setup Connection of air bearing cooling fluid The bearing is supplied with a water adapter kit for use when high motor torque is applied This cooling system is essential for high stress experiments or where con trolled shear rate or strain is required with digital instruments Connect the water bottle to the Air Water Cooling connectors on the back of the instrument using the green pipe provided Use a mix of 99 5 De ionized water with 0 5 Ethylene Glycol Setting up the software Installation usually carried out by a Malvern representative If this is not the case follow the instructions supplied with the installation media The following section gives information relating to configuring the software Starting the software The installation program will have created an icon in the programs group m Torun the software click Start All Programs Bohlin Bohlin RX XX X X where X shows the current version number of the Bohlin software or just double click the desktop icon Logging in When the Bohlin software starts a user log in screen is displayed USER LOGIN SCREEN Select An Instrument B osr S
60. s is detailed later in this chapter under Rheometer Connection 2 Level the instrument this needs to be as accurate as possible and requires the use of a precision level 3 Instruments with a strain gauge normal force capability that have been recently relocated it is necessary to first remove the transit locking plate and then loosen the strain gauge locking screw Contact Malvern Page 4 6 MAN 0329 SN ZIN Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 7 Tuesday November 30 2010 3 35 PM 5 D gt MIN Site requirements and setup Chapter 4 Instruments Support for information on this and be sure to retain the transit locking plate for future use 4 Remove the chuck immobiliser this is a reversal of the fitting process detailed in this chapter 5 Verify the instrument use the Verification Kit and run appropriate tests contact Malvern Instruments for more information 6 Torque mapping it may be necessary to undertake a torque mapping proce dure on Gemini instruments This can be performed by supervisors contact Malvern Instruments for more information and support Rheometer connection Use the following process for making the connections on the rheometer 1 Connect the air supply to the air bearing via the connector on the back of the rheometer marked AIR This is th
61. s or irritations W Do not smoke during measurement procedures particularly where inflamma ble samples are used or stored W Do not cat or drink during measurement procedures particularly where haz ardous samples are used or stored m Take care when handling glass e g beakers Hazardous materials may enter a wound caused by broken glass m Always test a new sample or dispersant for chemical compatibility before use m After measuring hazardous samples scrupulously clean the system to remove any contaminants before making another measurement m Always label samples for analysis using industry standard labelling particularly if they are handled by a number of staff or stored for long periods Clearly mark any operator hazard and associated safety precautions that are required for the handling of dangerous materials m Keep arecord of all hazardous substances used in the system for protection of service and maintenance personnel m Always adopt responsible procedures for the disposal of waste samples Most local laws forbid the disposal of many chemicals in such a manner as to allow their entry into the water system The user is advised to seek local advice as to the means available for disposal of chemical wastes in the area of use Refer to the Materials Safety Data Sheets m The surfaces of the system may be permanently damaged if samples are spilt on them Ifa spillage does occur disconnect the system from the power supply b
62. the appropriate facility for the recovery and recycling of electrical and electronic equipment Gemini amp CVO Rheometers Page B 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A Z N LR MIN MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 8 Tuesday November 30 2010 3 35 PM 5 Appendix B Health and Safety By not discarding this product along with other household type waste the volume of waste sent to incinerators or landfills will be reduced and natural resources will be conserved For more detailed information about recycling of this product please contact the local city office a waste disposal service or a Malvern Instruments representative Page B 8 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A Z N 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM D gt MIN Troubleshooting This section contains details on how to solve some of the common problems that may be experienced when using the system For information on troubleshooting specific accessory problems refer to the Accessories Guide Software notes The software contains a Notes column in the table of results on the analysis page This column is used to indicate a possible reason to doubt the accuracy of the result point in that ro
63. tures and the connections required for its various accessories What do Bohlin rheometers do Bohlin rheometers can control the shear stress that is they apply a torque force and measure the resultant displacement movement They can also control the shear rate that is they regulate the motor speed movement and measure the resultant torque force Torque and displacement are converted to rheological format by means of the measuring system constants The data produced by the system can be provided in tabular format or plotted graphically for use both on screen or in hard copy Data can also be exported to other programs for further analysis and presentation Gemini amp CVO Rheometers Page 2 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com LQ NS 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM Chapter 2 Typical rheometer system E Hardware features Whilst a range of temperature controllers exist to allow the instrument to measure samples at both low and high temperatures the following illustration shows the interconnections of a typical rheometer system with a Peltier plate installed When other temperature controllers are used the overall system will differ See the Accessories Guide for more information The computer is central to the system and should always be the first item to be switc
64. uide This guide is provided as a starting point to users in helping to establish a safe regi men for working with liquid nitrogen which is used as a coolant in the Low Tem perature Unit LTU option E Warning A It is essential that full staff training on the safe use of liquid nitrogen is organised through a specialised agency before using the LTU Manual and online help The primary source of information on the Gemini CVO system is this manual and the software online help which gives more detailed information Each dialog within the software has a Help button giving information specific to that dialog Help desk All queries regarding the system should initially be directed to the local Malvern Instruments representative Please quote the following information W Model and serial number of the instrument located on its back panel W The software version To find this choose Help About from within the soft ware MAN 0329 aa Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com T TS 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 5 Tuesday November 30 2010 3 35 PM 5 Introduction to this manual Chapter 1 D gt MIN Contact the United Kingdom help desk if the local Malvern Instruments repre sentative is not available Its direct line is 444 0 1684 891800 Its email address is helpdesk malvern com Note Q This h
65. ument has already been installed It is also assumed that the user has access to a standard sample of mineral oil This is included in the Verification Kit if purchased with the rheometer Further sup plies of these samples are available from your nearest Malvern representative Information relating to the software and hardware that is not covered in this sec tion is available either in the Accessories Guide or the software Help system For further information about rheology please refer to A Basic Introduction to Rheology which accompanies this manual Setting up the rheometer This section covers all the necessary steps involved to correctly set up the rheome ter in preparation for running a test Starting the system It is important that the rheometer system is started in the correct sequence to ensure correct operation 1 Turnon the compressed air line and check that the pressure is accurately set on the regulator unit in line with the pressure specifications shown in Chapter 4 2 Switch on the computer and printer if a local printer is connected 3 Switch on any attached temperature unit control boxes such as the ETC con trol box or the Peltier control box on the CVO only The Gemini instruments contain a built in Peltier controller 4 Switch on the instrument Gemini amp CVO Rheometers Page 3 1 G Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com LQ
66. w poe po p a Eme your sample reference here Note 1 Target speed too low below minimum stress Viscometry Constant Rate Mode The material is low in viscosity such that the torque required to achieve the speed is lower than the calibration limit The validity of the result can not be guaranteed Note 2 Target speed too high above maximum stress Viscometry Constant Rate Mode Gemini amp CVO Rheometers Page C 1 N ES Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com NP NS 5 MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM C Page C 2 Appendix C Troubleshooting The material is high in viscosity such that the torque required to achieve the speed is higher than the maximum that the instrument is capable of The result is not necessarily affected Note 3 Strain very small bottom end of the position sensor range Oscillation Mode The material is high in modulus such that the torque applied gives a strain that approaches the resolution limits of the sensor The rheological results may be adversely affected by this Note 4 Raw phase angle too large The inertial effects of the system are increasing the raw phase angle to the point where the mathematical algorithm to calculate the modulus and phase angle could break down The rheological results could be affected by this
67. y Check the air line and filters for any signs of water or oil Change filters if neces sary Monthly Run a calibration reference sample oil from the Malvern supplied verification kit to confirm that the rheometer is still within calibration Bi annually or annually A service visit from a Malvern Instruments representative is recommended this depends on the level of instrument use There are no user serviceable parts in the instrument or accessories on no account should adjustments be made unless by a Malvern Instruments approved engineer Gemini amp CVO Rheometers Page 3 15 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A Z N P gt INS MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 16 Tuesday November 30 2010 3 35 PM E Chapter 3 Basic operation Page 3 16 MAN 0329 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com o YV Z e MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 1 Tuesday November 30 2010 3 35 PM Pert e Supervisors Guide SZ Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com MAN 0329 4 0 Gemini amp CVO Rheometers User Manual book Page 2 Tuesday November 30 2010 3 35 PM SZ Artisan Technology Group Quality Instru
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