Fritsch analysette 22 ECONOMY Operating Manual Download | Manualshive

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Operating Manual

Laser Particle Sizer

"analysette 22"

ECONOMY

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Summary of Contents for analysette 22 ECONOMY

Page 1: ...RN PARTIKELMESSEN TEILEN MILLING PARTICLE SIZING DIVIDING ZERKLEINERN PARTIKELMESSEN TEILEN MILLING PARTICLE SIZING DIVIDING ZERKLEINERN PARTIKELMESSEN TEILEN Operating Manual Laser Particle Sizer analysette 22 ECONOMY ...

Page 2: ... 0049 6784 7011 E Mail info fritsch de Internet http www fritsch de Device number 22 9050 00 22 6100 00 22 6300 00 valid as from serial number 100 On the 24th June 1994 Fritsch GmbH was certified by TÜV Zertifizierungsgemeinschaft e V A subsequent audit has shown that Fritsch GmbH fully complies with the requirements of DIN EN ISO 9001 The relevant standards are listed in the enclosed Declara tion...

Page 3: ...justment of device to power supply 10 3 5 Setting up of computer 10 4 Integrated Dispersing Unit for Liquids 11 4 1 Installation of hose connections 11 4 2 Liquids suitable for dispersion 13 4 3 Signal lines 14 4 4 Cleaning 15 4 4 1 Cleaning of the device 15 4 4 2 Cleaning of the measuring cell 15 4 5 Filling of measuring cell 19 4 5 1 Operating with dispersing unit 19 4 6 Adjustment of measuring ...

Page 4: ...icle sizer has been designed with special regard to safety issues However there remains a risk of injury or damage to property To minimise this risk and to ensure safe operation always adhere to all instruc tions in this manual The symbols in the right margin identify the risk referred to in the respective section Some of these symbols are also used on signs attached to the device Warnings signs a...

Page 5: ...suring unit consists of a NeNe laser wavelength 632 8 nm laser output power 4 mW laser class IIIb There are several warning signs regarding the laser light at the inside of the unit The optical and electronic assemblies are secured to a based plate made in aluminium The multi element detector consisting of 31 individual com ponents and the associated preamplifier are mounted in a separate housing ...

Page 6: ...ergy distribution The particle size distribution is then calculated with advanced mathe matical methods on the basis of the Fraunhofer or Mie the ory FRITSCH is uses its own patented optical system referred to as reverse Fourier optics The sample is brought into a converging laser beam whereby the distance between the measuring cell to the detector corresponds to the focal length of the convex len...

Page 7: ...allest measuring range 0 1µm to approx 25µm meas uring cell at smallest possible distance to sensor and the largest range 10µm to 600µm largest distance between cell and detector for your sample You can thus for example process a range of between 0 1µm and 600µm in one single measuring procedure by combining up to 10 individual measuring cycles If you need a better resolution as regards particle s...

Page 8: ...kg Gross weight 65 kg Operating noise The noise level is 42dbB A Voltage 230 V 10 one phase DC Current consumption The maximum current consumption is 0 65 A Power consumption The maximum power consumption is 150 W Electrical fuses The fuses are located at the rear of the device near the power switch Replacement of fuses Main fuse 1 x safety fuse 2A mT 5x20mm Laser fuse 1x fine wire fuse 500 mA fas...

Page 9: ... the applicable maximum workplace exposure values according defined in the relevant safety regula tions are not exceeded This might require additional ventilation or installation of the device within an extrac tor The device is not explosion proof and is thus not suit able for the measuring of explosive or flammable sub stances The device may not be operated in an electrically con ductive dusty or...

Page 10: ...ygen Liquids that have just been filled into the bath or substances that have been in the bath for a prolonged period of time must be treated with ultrasound for approx 5 to 15 minutes prior to processing During this treatment the gas is removed and the cavitation sound changes so that there are no loud noises anymore after the degassing has been completed Low sound levels thus indicate that the d...

Page 11: ...e the box in the position as indicated by the arrows Weights Measuring unit including dispersing unit for liquids 36 kg Check delivery against your order In the event of missing parts and or transport damage immediately contact the haulier and FRITSCH GmbH within 24 hours Late notifi cations cannot be accepted 3 2 Transport When transporting the device over long distances place it in the transport...

Page 12: ...it can be easily and safely operated The measuring cell should be fully ac cessible when the measuring unit is opened It is forbidden to install the unit at a location that is ex posed to flooding Do not install the unit at a location where water might collect on the floor after damage to pipes etc If there is not suitable alternative location available position the device on blocks Prior to commi...

Page 13: ...tability of mains power Devices containing electronic assemblies require a stable supply voltage max fluctuation of 5 For weak sup ply networks and networks with interference peak voltage resulting from changes in the inductive load or switch mode power supply systems we recommend the installation of a stabiliser and filter order no 20 600 00 3 4 3 Adjustment of device to power supply The unit can...

Page 14: ...er 1 barrel nipple for hose 6 mm internal diameter The 20 mm pipe sockets are connected to the outlet valve or overflow for liquid samples and rinsing solutions When installing hoses prevent kinking The overflow hose must installed at a slope from the overflow outlet Connect supply to the enclosed pressure reducing valve 1 Connect the inlet end of the pressure reducing valve to the central supply ...

Page 15: ...ons to measuring cell The measuring unit of the ECONOMY model is equipped with one hose connection which is generally factory mounted If this is not the case please proceed as follows 1 Connect lower inlet IN of the measuring cell to TO CELL adapter 2 Connect upper outlet OUT of the measuring cell to TO CELL adapter 3 Secure hoses with hose clamps The sample liquid flows upwards through the device...

Page 16: ... the device supply and measuring unit all surfaces that are in direct contact with the sample liquid are made in chemically resistant materials Within certain limits it is thus possible to process certain organic liquids or saturated salt solutions Inside the unit the sample liquid is in direct contact with stainless steel glass Teflon Kalrez FFKKM and Viton FPM or FKM The standard connecting hose...

Page 17: ...nes acetone propanone butanone cyclohexanone ether fluorochlorocarbons amines Freon 21 32 methanol aniline benzene chlorocarbons and acetic acid and their derivatives con centrated acidic and alkaline solutions When using hazardous liquids always comply with the re spective health and safety instructions If required install the measuring and the dispersing unit in a safety zone equipped with an ex...

Page 18: ...ants is sufficient washing up liquid e g Fairy Liquid or liquid soap If necessary use 2 g of fine abrasive agent household cleaner ATA VIM etc Oily residue can be removed with a slightly alkaline deter gent It might at some stage become necessary to clean the in side of the measuring cell This is for example the case if many small light dots are visible at the inside of the window when the measuri...

Page 19: ...ut the hoses if they are hard to remove By proceeding as described above the ball bearing of the cell will not be damaged while the cell interior is protected against contamination Prior to dismantling the measuring cell and cleaning the window spacer and seals prepare a spray bottle with dis tilled water and have special lens cleaning tissues handy Clean the devices on a clean working surface Use...

Page 20: ...es are removed Place the windows 2 onto the special tissue whereby this time the inside must face down Spray glass panes with distilled water and 1 drop of surfac tant Fairy Liquid so that the paper adheres to the glass panes To wipe the surface pull the tissue over the surface without pressing it against the glass If necessary repeat this procedure with a clean tissue until all dirt particles are...

Page 21: ...nti reflex coating If the inside edge of the window shows a whitish sheen the anti reflex coating is facing away from you Place the spacer 1 onto the window Ensure that the inlet and outlet for the sample are not obstructed and carefully push the two cell sections together The screws must be tightened alternately cross wise Ensure that the two section are closed evenly at all four screws The space...

Page 22: ...n Press the key to reduce the pump speed The circulating pump transfers the liquid through the cycle from the supply unit through the connecting hoses to the measuring cell Test the function keys and for the agitator motor Stirrer Speed and the ultrasonic bath Ultrasonics The two keys are used to adjust the speed or the perform ance respectively of the two units The ultrasonic bath and the agitato...

Page 23: ...tions of the models COMPACT COMFORT and ECONOMY see separate manual of the analysette 22 for Windows software 5 2 Dispersing unit for small samples The dispersing unit for small samples is directly integrated into the measuring cell of the measuring unit It is equipped with four hose adapters FROM CELL 1 TO CELL 2 IN 3 OUT 4 Connect FROM CELL 1 to the upper pipe socket at the measuring cell OUT an...

Page 24: ...laser beam the hoses are not kinked Prior to fasting the hose clamps shorten hoses or rotate them until they are properly positioned inside the device The in IN 3 adapter at the dispersing unit is used to fill the measuring device and must be connected to distilled water line or a tank containing the sample liquid The OUT 4 adapter is used to drain the sample or rins ing liquid Caution maximum per...

Page 25: ... small samples and particle sizes The mini cell can hold 1 ml of suspension liquid To use the mini cell 1 remove the flow measuring cell from the device and insert the mini cell holder 2 The mini cell holder 2 fits into the place of the flow measuring cell Insert the mini cell 1 into the holder The mini cell 1 does not require hose connections 5 3 1 Filling of measuring cell for operation with min...

Page 26: ...eel glass Teflon Viton FPM or FKM and Perbunan The standard connecting hoses are made in PVC or polyethylene The only suspension liquid approved by FRITSCH for use in the dispersing unit is water Do not use any other substances without first consulting the manufacturer 6 2 Readjustment of spatial filter Caution Do not change the settings of the adjusting ring 1 of the laser optics When working at ...

Page 27: ...e out of line it is sufficient to adjust its position in x y direction 2 Inside the barrel connecting the lens system with the aper ture there are 2 micrometric screw 2 that are positioned at right angles to each other They allow for precision ad justment of the optical system These screws can be used to adjust the aperture in x y direction in the focal plane of the lens Turn one of the micrometri...

Page 28: ...d the underlying Plexiglas cover which stays open during the measure ment ATTENTION LASER RADIATION 2 Now please attach the provided bridging magnet to the safety switch inside the instrument ATTENTION This is only to be done during the calibration 3 In the programme select the parameter that you wish to measure and enter a com ment regarding your measurement 4 Move the measuring cell to position ...

Page 29: ...ts centre the photo mask 4 is equipped with a dot consisting of chrome particles of various size 12 Fine adjust the laser beam Move the photo mask 4 along the guide until none of the particles is hit by the laser beam Complete beam adjustment see software manual 13 Close the cover of the instrument Plexiglas cover stays open and start a background measurement ATTENTION LASER RADIATION 14 Add sampl...

Page 30: ...ution is measured in order to es tablish whether certain product properties are met both the operator and the measuring device will have a certain influ ence on the result Designers of measuring devices are fully aware of this and thus try to eliminate the influence of the operator on the re sult as far as this is possible The effect of the applied measuring techniques on the result can however no...

Page 31: ...l isopropanol glycol or glycerol mineral and organic oils such as petroleum soy oil nut oil olive oil Do not use any other substances without first consulting the manufacturer Never use Ketones acetone propanone butanone cyclohexanone etc ether fluorochlorocarbons amines Freon 21 32 methanol phenylamine benzene chlorocarbons acetic acid and its derivatives concentrated acidic and alkaline solution...

Page 32: ...t 8 4 Dispersion of samples with poor wettability To disperse hydrophobic samples produce a dough adding a surfactant Fairy Liquid and gradually disperse in water will stirring The use of external ultrasonic baths is recommended to disperse agglomerates as they allow for a better overall ul trasound treatment of the sample As the integrated ultra sonic bath is part of the dispersing cycle only the...

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