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Chapter 4

Maintenance

Page 4-6

MAN 0382

Pull the fuse holders out and replace faulty fuses with others of the following spec-
ification:

Rating – T 2A L 250v (T = Time delay)

Size – 5mm x 20mm

Man0382-5.0 (Zetasizer Nano Essentials).book Page 6 Wednesday, December 2, 2009 12:06 PM

Содержание Zetasizer nano Series

Страница 1: ...n England MRK1377 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 Essentials Zetasizer Malvern nano series ...

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Страница 3: ...Zetasizer Nano Essentials MAN0382 Issue 5 0 August 2009 English Man0382 5 0 Zetasizer Nano Essentials book Page i Wednesday December 2 2009 12 06 PM ...

Страница 4: ...rn Worcestershire WR14 1XZ United Kingdom Tel 44 0 1684 892456 Fax 44 0 1684 892789 Zetasizer is a registered trademark in the UK and or other countries and is owned by Malvern Instruments Ltd Malvern and the green hills logo are registered trademarks in the UK and or other countries and is owned by Malvern Instruments Ltd Windows XP is a registered trademark of the Microsoft Corporation Tygon is ...

Страница 5: ...vers the operation and maintenance of the Zetasizer Nano particle analyser series Introduction Read in place of relevant section on page 1 1 of the Zetasizer Nano Essentials Manual Zetasizer Nano instrument Model number Measurement types Nano S Red badge ZEN1600 Particle Size and Molecular weight Nano S Green badge ZEN1500 Particle Size and Molecular weight Nano Z Red badge ZEN2600 Zeta potential ...

Страница 6: ...astic disposable cell was used for the measurement it is recommended that this is disposed of and a new one used for all subsequent measurements General cleaning As a complete assembly the cell can be cleaned using de ionised water or with a Hellmanex solution If Hellmanex is used the cell must be rinsed with copious amounts of de ionised water prior to reusing it More efficient cleaning can be ob...

Страница 7: ...eave all parts to be fully dry before re using especially the electrode and sample holder area Component Cleaning method Cell cap Wipe clean with a mild soap solution Rinse with water once cleaned Outer casing Sample barrel Sample holder Wipe clean with a mild soap solution Rinse with water once cleaned Electrodes Scrub gently with pipecleaner and Hellmanex then scrub with copious amounts of de io...

Страница 8: ...Page 4 Addendum 0090 1 0 ...

Страница 9: ...6 Health and safety General warnings and Safety regulations 3 1 Electrical warnings and Safety regulations 3 2 PAT testing 3 2 Power cords and Power safety 3 2 Laser safety regulations 3 4 Temperature warnings 3 5 Purge warnings MPT 2 Autotitrator 3 5 Sample handling warnings 3 6 Moving the system 3 7 Disposal of the instrument 3 7 Maintenance Cleaning the instrument 4 1 Cleaning the cells 4 2 Rep...

Страница 10: ...Table of Contents Zetasizer Nano Essentials Page ii MAN 0382 Man0382 5 0 Zetasizer Nano Essentials book Page ii Wednesday December 2 2009 12 06 PM ...

Страница 11: ...surement types Nano S Red badge ZEN1600 Particle Size and Molecular weight Nano S Green badge ZEN1500 Particle Size and Molecular weight Nano Z Red badge ZEN2600 Zeta potential Nano Z Green badge ZEN2500 Zeta potential Nano ZS Red badge ZEN3600 Particle Size Molecular weight and Zeta potential Nano ZS Green badge ZEN3500 Particle Size Molecular weight and Zeta potential Nano S90 Red badge ZEN1690 ...

Страница 12: ...d Configure New SOP refers to selecting the New SOP item in the Configure menu Menu commands are shown in bold text Access to the instrument Malvern personnel Malvern personnel service engineers representatives etc have full access to the instrument and are the only people authorised to perform all service procedures that may require the removal of the covers Warning Removal of the main covers by ...

Страница 13: ...ect Help About within the software Contact the United Kingdom help desk if the local Malvern representative is not available Direct line 44 0 1684 891800 or email helpdesk malvern com This help line is primarily English speaking Remote support Malvern Instruments offers a remote support service over the Internet A direct Internet connection must be available Benefits include fast and efficient fau...

Страница 14: ...Chapter 1 Introduction to this manual Page 1 4 MAN 0382 Man0382 5 0 Zetasizer Nano Essentials book Page 4 Wednesday December 2 2009 12 06 PM ...

Страница 15: ...Zetasizer Nano Essentials Page 2 1 2 Site requirements This is a copy of Chapter 2 of the manual MAN0382 issue 5 0 Man0382 5 0 Zetasizer Nano Essentials book Page 1 Wednesday December 2 2009 12 06 PM ...

Страница 16: ...rk Grovewood Road Malvern Worcestershire WR14 1XZ United Kingdom Tel 44 0 1684 892456 Fax 44 0 1684 892789 Zetasizer is a registered trademark in the UK and or other countries and is owned by Malvern Instruments Ltd Malvern and the green hills logo are registered trademarks in the UK and or other countries and is owned by Malvern Instruments Ltd Windows XP is a registered trademark of the Microsof...

Страница 17: ...ch We recommend that the computer is positioned to the right of the instrument Space required Provide enough space to allow easy access to all components and connections This diagram shows the recommended space for a system Always place the Autotitrator to the right of the instrument ill 7931 Allow at least 800mm above the bench surface for access to the cell area The system dimensions are given b...

Страница 18: ...upplied with this product on any other products Power cord set requirements Power cord sets must meet the requirements of the country where the product is used For more information contact a Malvern representative Component Width Depth Height Zetasizer Nano 320mm 600mm 260mm MPT 2 Autotitrator 170mm 390mm 260mm Computer and printer Seemanufacturer sdocumentation Component Power requirement Power s...

Страница 19: ...e specification If measuring samples at low temperatures there is a risk of condensation occurring on the cell this occurs when the measurement temperature is less than the dew point of the ambient air surrounding the cell being measured This is particularly likely in humid climates The purge inlet port can be used to connect a dry air supply to the instrument i e a supply with a dew point below t...

Страница 20: ...ntative the servicing engineer may be exposed to class 3b or above laser radiation We therefore recommend that the administrative controls recommendations of the Laser Safety Regulations IEC 60825 1 1993 A1 1997 A2 2001 are implemented MPT 2 Autotitrator services Nitrogen purge specification Warning A Nitrogen supply must be used in a well ventilated environment The MPT 2 Autotitrator has a purge ...

Страница 21: ...vided by the system The instrument must only be stored or operated in environmental conditions con forming to Chapter 2 and as indicated below Positioning the Instrument Warning Do not position the instrument such that the power cord where it exits the product is unreachable for disconnection Warning Do not obstruct the ventilation slots underneath the instrument nor the fans on the rear panel Res...

Страница 22: ...ying power Warning This product must be connected to a protective earth The metal parts of the optical unit and the accessories are earthed via a protective earth connection PAT testing If PAT testing is required connect the earth lead to the earth stud underneath the rear right hand corner of the instrument We recommend that the product is PAT tested annually or if it is suspected that its electr...

Страница 23: ...75mm2 or 18AWG and the length of the cord must be less than 3m The power cord must be routed so it will not be walked on pinched by items placed on or against it or become wet Pay particular attention to the plug the electrical outlet and the point where the cord exits the product Power safety information The following notes are guidelines for connecting the Malvern Instruments power supply using ...

Страница 24: ...pter plugs that bypass the grounding feature or remove the grounding feature from the plug or adapter Place the AC adapter in a ventilated area such as a desk top or on the floor The AC adapter may become hot during normal operation Take care when handling the adapter during or immediately after operation Use only the Malvern provided AC adapter approved for use with the instru ment and or accesso...

Страница 25: ... of the cell area is 2 C to 90 C for the standard instrument 2 C to 120 C for the High Temperature option Purge warnings MPT 2 Autotitrator Warning If a Nitrogen supply is used the system must be located in a well ventilated environment Turn off the supply when not in use CLASS 1 LASER PRODUCT CAUTION LASER RADIATION WHEN OPEN AVOID DIRECT EYE EXPOSURE CLASS 1 LASER PRODUCT CAUTION CLASS 3R LASER ...

Страница 26: ...caused by broken glass Always test a new sample or dispersant for chemical compatibility before use After measuring hazardous samples scrupulously clean the system to remove any contaminants before making another measurement 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 ...

Страница 27: ... to any local regulations on disposal of equipment European Union and other European countries This regulation applies in the European Union and other European countries with separate collection systems Here the system must be disposed of in accordance with the European Disposal of Electrical Electronic Equipment regulations ill 7610 This symbol on the product or on its packaging indicates that wh...

Страница 28: ...Chapter 3 Health and safety Page 3 8 MAN 0382 Man0382 5 0 Zetasizer Nano Essentials book Page 8 Wednesday December 2 2009 12 06 PM ...

Страница 29: ...ystem from the power supply before cleaning it up Clean the covers periodically using a mild soap solution Never use excessive liquid to clean the instrument and always avoid electrical components connectors etc Always ensure that the instrument is completely dry before applying power The paint has a solvent resistant finish but it is good practice never to use a sol vent based solution It may dam...

Страница 30: ...tes before use Use the dispersant used for the previous sample as the cleaning fluid If this dispersant contains additives such as surfactants follow this by ultrasonicating for two minutes in the pure solvent ill 6763 Warning Take care ultrasonication can produce a fine aerosol of the bath liquid 2 Remove the electrodes from the bath and rinse them with pure solvent A pipe cleaner can be used for...

Страница 31: ...ple the more important cleanliness is Cleaning the Folded capillary cell This cell is intended to be used once then discarded but can easily be used again if required We recommend that before a cell is used for the first time it is flushed through with ethanol or methanol to facilitate wetting A syringe or a wash bottle can be used Use only sufficient fluid to wet the surface of the cell and elect...

Страница 32: ...uctions below Intensive cleaning The cell first has to be disassembled before cleaning can be performed ill 8447 Remove the screw cap Separate the two halves of the cell by pulling the rear casing vertically away from the metal front Note how the Electrode chambers and quartz measurement cell block are assembled Remove the chambers and cell block from the metal front casing Detach the pipework and...

Страница 33: ...crew cap Wipe clean with a mild soap solution Outer casing Black part of casing Delrin Wipe clean with a mild soap solution Metal part of casing Stainless steel Immerse the casing in Hellmanex and place in a gentle ultrasound bath 30 Watts for five to 15 minutes Rinse with water once cleaned Electrode chambers and port Electrode Chamber Scrub gently with interdental brush and Hellmanex then scrub ...

Страница 34: ...N 0382 Pull the fuse holders out and replace faulty fuses with others of the following spec ification Rating T 2A L 250v T Time delay Size 5mm x 20mm Man0382 5 0 Zetasizer Nano Essentials book Page 6 Wednesday December 2 2009 12 06 PM ...

Страница 35: ......

Страница 36: ...n England MRK1377 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 Essentials Zetasizer Malvern nano series ...

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