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I N S T R U M E N T S

Printed in England   

MRK0866-01

Malvern Instruments Limited

Enigma Business Park

Grovewood Road, Malvern 

Worcs, WR14 1XZ, U.K.

Tel:  +44 (0) 1684 892456

Fax: +44 (0) 1684 892789

www.malvern.com

user manual

Scirocco 2000

 

Summary of Contents for Scirocco 2000

Page 1: ...E N T S Printed in England MRK0866 01 Malvern Instruments Limited Enigma Business Park Grovewood Road Malvern Worcs WR14 1XZ U K Tel 44 0 1684 892456 Fax 44 0 1684 892789 www malvern com user manual...

Page 2: ......

Page 3: ...Scirocco 2000 User Manual MAN0386 Issue 1 0 March 2007 MAN0386 1 0 Scirocco 2000 book Page i Friday March 16 2007 4 15 PM...

Page 4: ...tion 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 Pa...

Page 5: ...it works 2 2 How the dispersion unit is controlled 2 3 Features of the Scirocco 2000 2 3 Scirocco 2000 with hopper 2 12 Software features Introduction 3 1 Making a measurement 3 1 Manually controlling...

Page 6: ...2 Appendices Specification Specification A 1 Chemical compatibility Introduction B 1 Components in contact with sample B 1 Regulatory statements CE Declaration of Conformity C 2 Index MAN0386 1 0 Sci...

Page 7: ...Part 1 Operator s Guide MAN0386 1 0 Scirocco 2000 book Page 1 Friday March 16 2007 4 15 PM...

Page 8: ...MAN0386 1 0 Scirocco 2000 book Page 2 Friday March 16 2007 4 15 PM...

Page 9: ...how it works Identify the physical features of the dispersion unit Describe the software and explain how to use the dispersion unit to make a measurement on the system Warning The dispersion unit or...

Page 10: ...sibilities Malvern personnel Malvern personnel service engineers representatives etc have full access to the dispersion unit and are authorised to perform all service procedures that may require the r...

Page 11: ...m the Malvern software are referred to in the form main menu menu item As an example the command Configure New SOP refers to selecting the New SOP item in the Configure menu The same rules apply for s...

Page 12: ...Chapter 1 Introduction to this manual Page 1 4 MAN 0386 MAN0386 1 0 Scirocco 2000 book Page 4 Friday March 16 2007 4 15 PM...

Page 13: ...e of any sample dispersion unit is to prepare the sample and then deliver it to the optical bench so that it can be measured The Scirocco 2000 allows the Mastersizer 2000 to be used for particle in ga...

Page 14: ...ample tray controlled from the software and also by the gap between the feed gates on the sample tray At the entrance to the main feed mechanism is a wire sieve filled with ball bearings The ball bear...

Page 15: ...dure SOP the software tells the user what value to set for each parameter The system automatically detects which dispersion unit and cell are connected If more than one dispersion unit is connected th...

Page 16: ...a safety feature that reduces the sound emissions from the dispersion unit The lid must be locked using the central catch to ensure that sound emissions are reduced to an adequate level The lid is int...

Page 17: ...ys are availa ble for the Scirocco Each type is individually encoded so that when it is attached to the dispersion unit it is automatically detected and reported in the sample records The three tray t...

Page 18: ...aperture between them The gates are locked in position by the knurled locking screws On hopper instruments the sample tray has a one piece guillotine style gate con trolling the flow rate of the samp...

Page 19: ...cessory comms in connector The communications cable from the optical bench or from another dispersion unit connects here Accessory comms out connector If more than one dispersion unit is connected to...

Page 20: ...il the vacuum unit is capable of safely taking it away Do not apply a pressure greater than 0 3 bar g to this input Air cell Caution The air cell is an optical device Treat it carefully as you would a...

Page 21: ...rning Never attempt to lift the optical bench by the locking handle of the cell See the Health and Safety information for correct moving techniques Cell shroud The cell shroud prevents stray light ent...

Page 22: ...must be used to prevent samples being discharged into the laboratory Cell holder The Mastersizer system allows more than one sample dispersion unit to be con nected at once The cell holder provides a...

Page 23: ...e must be of the correct type and value see the cover of the vacuum switcher box for details Mains inlet socket The mains power supply is a standard IEC socket that supplies mains power to the switche...

Page 24: ...ssembly are available with fine or coarse meshes suitable for use with different sizes of sample The sample is placed on a mesh inside the funnel and vibrated by a motor fitted under the lid so a stea...

Page 25: ...directly towards the sieve A one piece guillotine style gate controls the sample flow Vacuum switcher box Hopper instruments use a larger switcher box This has a second mains power outlet socket requi...

Page 26: ...Chapter 2 Hardware features Page 2 14 MAN 0386 MAN0386 1 0 Scirocco 2000 book Page 14 Friday March 16 2007 4 15 PM...

Page 27: ...measurement is fully documented in Chapter 4 of the main User Man ual Refer to that manual for details The dispersion unit can either be controlled manually or automatically by running a Standard Oper...

Page 28: ...id is open closed and which sample tray is fitted as well as reporting any errors Air pressure control The Scirocco 2000 uses compressed air to transport and suspend the particles of the sample as the...

Page 29: ...into the dispersion system and to obtain the optimum sample concentration through the measurement cell If the feed rate is too high the sample concentration may become too high and any agglomerates ma...

Page 30: ...confirmation Segment 3 Waiting for air pressure confirmation Segment 4 Not used Segment 5 Air flow on Device Fault condition Possible cause Vacuum No vacuum detected Fuse blown in switcher box Vacuum...

Page 31: ...perser Its purpose is to deliver a steady amount of powder to the sample tray so that the amount of powder passing through the venturi remains roughly constant This prevents surges in obscuration and...

Page 32: ...The SOP will even report if the wrong cell or dispersion unit is fitted The SOP Wizard is described in full in the main User Manual There are ten dialogues in all but here we just describe those whic...

Page 33: ...et for the correct venturi It must be set to A for a metal venturi and B for ceramic On older systems this switch was not used if in doubt select Original Configuration to disable the ven turi type ch...

Page 34: ...ransport and suspend the particles of the sample as they pass through the air cell High air pressure settings can also help break up agglomerates The air pressure can be controlled over the range 0 to...

Page 35: ...h material through the venturi system Aim to set a rate that delivers a steady amount of powder 1 Initially set the Vibration Feed Rate to an appropriate value around 30 2 Change the Hopper Feed Rate...

Page 36: ...e lid The cleaning cycle becomes active when the Cleaning required check box is ena bled The user must then set The Clean Duration the time beyond the measurement period during which the vibrating tra...

Page 37: ...taken when obscuration lies between certain limits and Red Only Measure ment These are described in Chapter 9 of the main User manual but this sec tion gives additional information specific to dry pow...

Page 38: ...ractical limits are 0 5 and 6 but exact settings can only be found by experimentation In the event that a totally inappropriate feed rate is set so that the obscuration sel dom if ever falls within th...

Page 39: ...rticles is mainly controlled by the air pressure The concentration is largely determined by the rate at which powder is fed into the air stream The ease of dispersion varies greatly between materials...

Page 40: ...values To make a basic manual measurement 1 Open the lid to the sample area and add the sample to the sample tray Add the sample to the centre of the tray especially for free flowing samples to preve...

Page 41: ...to view the Measure sample tab 8 Press the Start button to start the measurement The software now waits for the sample to start feeding 9 Select the Air flow radio button The vacuum unit will automati...

Page 42: ...the sample area and adding the sample to the sample tray Close and lock the lid 2 Select Measure Start SOP A dialogue appears asking you to select an SOP Select an SOP and press the Open button The me...

Page 43: ...Part 2 Appendices MAN0386 1 0 Scirocco 2000 book Page 1 Friday March 16 2007 4 15 PM...

Page 44: ...MAN0386 1 0 Scirocco 2000 book Page 2 Friday March 16 2007 4 15 PM...

Page 45: ...ions Dry powders pharmaceutical excipients fillers cements flour powder coatings Modes of operation Automatic via SOPs Manual via computer operating dialogues Weight 21 3kg Dimensions Width 352mm Heig...

Page 46: ...Appendix A Specification Page A 2 MAN 0386 A MAN0386 1 0 Scirocco 2000 book Page 2 Friday March 16 2007 4 15 PM...

Page 47: ...tact with within the dispersion unit This appendix lists all materials that come into contact with the sample in the nor mal operation of the dispersion unit Components in contact with sample Componen...

Page 48: ...Appendix B Chemical compatibility Page B 2 MAN 0386 B MAN0386 1 0 Scirocco 2000 book Page 2 Friday March 16 2007 4 15 PM...

Page 49: ...Scirocco 2000 Page C 1 C Regulatory statements This appendix presents regulatory information MAN0386 1 0 Scirocco 2000 book Page 1 Friday March 16 2007 4 15 PM...

Page 50: ...ments Page C 2 MAN 0386 C CE Declaration of Conformity The CE badge on this product shown below signifies conformance to European Commission Directives ill 8010 MAN0386 1 0 Scirocco 2000 book Page 2 F...

Page 51: ...g the accessory manually 3 2 D Dispersion units chaining 2 7 Dry Accessory dialogue 3 2 Dry powder guidelines 4 1 E Earth lead 2 10 Error indicators 3 4 Exhaust connector 2 10 F Features overview 2 2...

Page 52: ...ts C 1 S Sample area lid 2 4 Sample concentration 3 8 Sample exit port 2 4 Sample tray hopper instruments 2 13 faults 3 4 function 2 5 indicator 3 5 micro volume tray 2 5 overview 2 2 selection 3 8 sm...

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