Operator`s Manual Vibratory Sieve-Shaker
Contents
1. c ssscceseeeeeees 25 Preparing for the tensioning process sssssseseeseee rette ke E ERE ERNE 25 PAS ONIN secon E EEEE E 26 Rena E cee art a aes E E E a eg 26 Be re i PAE EE eee EEE E A E EE E E A E A E eee E 27 Maintenance of the TorqueMaster ccccccccseeeeeceeeeeeseeeeeseeeeeesseeeeeseeeeeeas 27 COG ONY SEE E E E E E ETA 27 Mia TC AN FEE E 28 BG sessirnar E EEE EEE 28 Checklist for Troubleshooting eee enueen ennen nn nn ennen ner 28 analysette 3 pulverisette 0 alien FRITSCH _ FRITSCH A General Information Introduction Notes regarding the operator s manual e Hereafter the vibratory laboratory sieve shaker analysette 3 and the vibratory micro mill pulverisette 0 will be referred to simply as the sieve shaker and the micro mill respectively e Fritsch GmbH Manufacturers of Laboratory Instruments re tains the proprietary rights to these technical documents e This operators manual is only to be reprinted or copied with the permission of Fritsch GmbH Manufacturers of Laboratory Instruments The operators manual must be studied carefully The operators must be familiar with the operator s manual Comply with all instructions pertaining to your safety The sieve shaker was designed with user safety in mind but residual risks cannot be excluded The suggestions in this manual must be complied with to avoid risk to the users The symbols in the right hand margin hig2. Loosen and completely remove three hex head cap screws under the wooden panel Attention Keep wooden panel screws and washers because these shipping guards must be re installed if instrument transported again or returned 3 2 Transport All sieves or grinding elements must be removed for carrying Mains plug must be unplugged at the mains connection combination on the back of the instrument Grasp instrument on both sides at the level of the middle of the sieving plate and pick it up Attention Do not put your hands under the plate or use the tightening belt to pick up the instrument The spring mounted suspension could destroy impor tant components of the instrument For shipping relatively long distances it is imperative that the shipping guard be re installed to brace the spring mounted components analysette 3 pulverisette 0 Page 8 _ FRITSCH A 3 3 Erection e Place the instrument on a flat stable surface indoors It is not necessary to anchor it in position Leave enough space to place the sieves next to the instru ment The area behind the instrument must be readily accessible so that the main switch can be reached quickly in the event of an emergency e The sieve shaker stands on three spring loaded feet Level it by screwing these feet in and out so that the substance to be sieved will be uniformly distributed over the entire sieving sur face e Ambient conditions Operate only indoors T
3. pulverisette 0 Page 19 _ FRITSCH A 5 4 Setting the sieving or grinding time The sieving or grinding time can be set in increments of one minute with the keys Values between 1 and 90 minutes are possible Let the instrument cool down after it has been running for 1 hour To set continuous operation hold the down until P or 00 appears in the display Selecting the amplitude The vertical vibration amplitude can be set in steps of 0 1 mm with the keys Values between 0 1 and 3 mm are possible If you press the MICRO key MICRO lights up you can set an ampli tude between 0 1 and 0 5 mm 5 5 Displaying the amplitude After the instrument has been started the actual amplitude is displayed above the amplitude setting When the sieving or grinding process is over the display indicates the set amplitude In addition the amplitude can also be checked on the sign on the siev ing head The lines which seem to touch indicate the set amplitude The principle is based on the sluggishness of the human eye Example of 2 mm amplitude Check Amplitude 05 10 15 20 48 3 0 mm The amplitude is measured by the instrument at regular intervals and is corrected if necessary 5 6 Interval of time The duration of the sieving intervals can be selected in one second steps with the keys The pause is always one second long Continuous operation is set if the key is held down unt
4. Model PRO cceceecceeceeceeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeaees 3 1 3 2 Sieve shaker analysette 3 model SPARTAN ccccccsseceeeseeeeseeeeesaeeees 3 133 Vibratory micro mill pulverisette 0 ccccccsseeeeceseeeeceeeeeeseeeeeseeeeeeeeeeeesaaeees 3 1 4 Set up and method of operation cccccceecseseeeeeeeeeeeaeeseeeeeeeeesseeeeeees 4 1 4 1 Set UP ooeeececccescescecescescecesseececeeseececeesaeseceuveesaceuvassaeeeveesaseeseevaseevaeservaseesersaneesereas 4 1 4 2 Method of operation cccccssssecccccesseeecccaeeececcceeececeseeeceesseeueeessueeeesssseeeess 4 1 4 3 Regulating the amplitude ccccccceceecccceeeeeeeceeeeeeeeeeeeeeeeeeeeeseeeesaeeesessaeeeees 4 1 5 TGC AIC AC AA HERRERNES E E E E E E T E E 5 2 Operational Safety ssiscscssresessssaceessesensccieneraessesesuevoeveriessesaziennsias 6 2 1 General safety instructions ssssssssesseeueeennkkn skeerne kk ker kk kk nner 6 2 2 DO CT ALONS suser uninin KER KER KEE nn GENER REE 7 2 3 Safety QUATdS 2222220 ENE innan MEK KEE MEN SKK NMN NEN KK KUN ES F 2 4 Danger areas cccceeecccceeceecneeeceeceseeecsueeeeseueeeessaeeeessaneeesseueeeesseeeesaaeees 7 2 5 Safety ANd electricity eee ccccccccseeeseeeeeeeeeeeaeeeseeeeeeeeseaeaseeseeeeeessaeaaeses 7 2 5 1 General information siacessesrescvnceseqeveeederavnseveeepnnnivdenneterseunaicieensaeeeeameeens 7 2 5 2 Protection against restart ccccssec
5. the rubber gasket on the vibrating plate until you le 1 can see three caps Under SEERE fast lock the caps are three threaded lt 2 cima cel spacer ring with 2 gaskets holes e Remove the caps and bolt the hopper sieve pan to the centre of the vibrating plate with the spanners and micro precision sieve 3 fast locking ring Poen me spacer ring with 2 gaskets knurled screws The three lt lt Sy 5 fast locking ring spanners rest on the bottom FE hopper sie na edge of the hopper and the 4 a 6 vibrating plate ws 7 e Lock the hose in place with a a hose clamp q 7 7 e Turn the sieve shaker ON in A the MICRO operating mode z L4 e Afterwards fill the hopper i 8 and spacer ring up to the gasket with liquid and posi tion the first sieve with the sieve foil side down crooked at first so that the air under the sieve can escape e Place another spacer ring on the sieve and fasten the two spacer rings to one another with a fast locking ring e lf you wish to work in the sieving tower with a number of sieves install the next sieves in the same manner and fill each sieve with liquid before putting on the following one e Fasten the sieve cover to the top sieve with a fast locking ring e Use a hose clamp to connect a hose to the coupling on the sieve cover Clamp on a maximum of 4 sieves analysette 3 pulverisette 0 Page 15 _ FRITSCH A 4 4 4 Wet sieving with micro precision sieves Remov
6. 0 Page 6 _ FRITSCH A 2 2 Operators e The instrument is to be operated by authorized persons only and must be maintained and repaired by trained specialists e No one is to operate the instrument while under the influence of health problems medication drugs or alcohol or if over tired 2 3 Safety guards Safety guards such as covers are to be used as intended and are not to be rendered out of order or dismantled Do not loosen or tighten tightening belts or clamping screws unless the instrument is turned OFF Before switching on please assure that the toothed belts are tightened strongly and symmetrically through the knurled knobs 2 4 Danger areas e Risk of being pinched or squashed in the sieve tightening sys tem e Risk of being pinched or squashed between vibrating plate and housing 2 5 Safety and electricity 2 5 1 General information Turning OFF the mains switch results in two pole isolation of the instru ment from the mains 2 5 2 Protection against restart After the instrument is turned OFF at the mains switch and then back ON the START button must be pressed to put the instrument back in service 2 5 3 Overload protection The mains fuse protects against overloads analysette 3 pulverisette 0 Page 7 _ FRITSCH A 3 Installation 3 1 Unpacking e Open the shipping crate at the top and remove all packed components e Compare the contents of the shipment with your order 3 1 1 Shipping guard
7. FRITSCH a Ey Operator s Manual Vibratory Sieve Shaker analysette 3 and Vibratory Micro Mill pulverisette 0 Fritsch GmbH Manufacturers of Laboratory Instruments IndustriestraBe 8 D 55743 Idar Oberstein Germany Phone 49 0 6784 70 0 Fax 49 0 6784 70 11 E Mail mailto info fritsch de Internet htto www fritsch de Fritsch GmbH Manufacturers of Laboratory Instruments was certified by the TUV on June 22 1994 Ah DIN EN ISO 9001 ee Nee An audit has confirmed that Fritsch GmbH complies with the stipulations of DIN EN ISO 9001 The attached declaration of conformity specifies the directives that the vibratory sieve shaker analysette 3 and the vibratory micro mill pulver isette 0 must satisfy before they are permitted to bear the CE conformity mark Instrument number 03 7020 00 applies as of serial number 2019 Instrument number 03 8020 00 applies as of serial number 2114 Instrument number 00 6020 00 applies as of serial number 215 Edition 10 2001 Index 005 _ FRITSCH A Table of Contents Page 1 General Information Introduction 11scccsesesenensnenenenenensesenenens 1 1 1 Notes regarding the operators MANUAl ccccccseeeeeeseeeeeeseseeeeseeess 1 1 2 Explanation of symbols on sieve shaker and in operator s manual 1 1 3 Brief description of the Sieve shaker ccccceecseeseeeeeeeeeeeeeeseeeeeeeeens 3 1 3 1 Sieve shaker 3
8. at the tightening lever with the hole in it locks into a thrust piece in the block 10 Uniformly tighten the sieving tower by turning the tension belt system clockwise until the toothed belts are stretched tight lf the 2 toothed belts are not tightened evenly the substance to be sieved may not be able to disperse evenly over the surface of the sieve 4 1 2 Multiple sieving Due to the special configuration of the dry sieve pan it is possible to execute two or three sieving operations two or three sieve stacks one over the other in a single step 4 1 3 Substance to be sieved during dry or wet sieving Sieves 200 mm in diameter amount of sample lt 1kg 500g 300 400g 200 300g 100 200g 50 100g 10 50g 10mm 20mm 30mm SMM 0 02mm 0 Imm O Smm 2MM IMM mesh size of the largest sieve Maximum load Substance to be sieved lt 1 kg Sieves and substance to be sieved lt 6 kg analysette 3 pulverisette 0 Page 11 FRITSCH alien 4 2 Dry sieving For dry sieving use the dry sieve pan without an outlet and the dry sieving head 4 2 1 Sieving parameters Parameter Coarse grain Fine grain Sieving time 3 to 20 min 15 to 30 min Amplitude 2 0 to 3mm 1 5 to 2 5mm To achieve the target amplitude of 3mm full amplitude at least 3 sieves the collecting vessel and sieve cover must be fastened to the sieve shaker If fe
9. device cordless screwdriver This torque must be set by the manufacturer of the tensioning system Thus no other cordless screwdrivers other than those set by Fritsch may be used The use of cordless screwdrivers with a very high torque could lead to irreparable damages to the tensioning system and no guarantee shall be given for the same If cordless screwdrivers with a very low torque are used the sieve tower will be tightened with a very low tension force Attention Follow the manufacturer s operating manual for the cordless screw driver The manual is supplied with the instrument During tensioning be sure to lift the TorqueMaster slightly images 1 2 If you do not apply light tension to the toothed belt it well be pinched in the TorqueMaster images 3 4 7 4 2 3 Release The tension can also be released with the cordless screwdriver The tension is released such that the tensioning unit can be placed be hind the instrument without any change in the fixed toothed belt on the tensioning block The tension of the belts on the tensioning block is released and or ad justed only if the sieve tower settings are modified because of the num ber or height of the sieves analysette 3 pulverisette 0 Page 26 _ FRITSCH A 7 4 3 Operation During all functions both the indicators of the tensioning unit must be located in the areas marked in green Should either or both the indicators move in the area marked in red the followin
10. e the cover and pour onto the cover the substance in suspension that you wish to sieve You can spray the liquid in through the nozzle in the cover Keep in mind however that the consumption can drop radi cally after the sieve has been used for a long time and that you will have to adjust the amount of liquid Spraying the liquid in with a spray bottle is a tried and tested method With this method you can very selectively whirl up the substance to be sieved and accelerate the progress of sieving sieving without sieve cover When sieving in the top sieve has been concluded lower the level of the liquid to the level of the sieve foil close the outlet again and remove sieve cover spacer ring and sieve Afterwards either replace the cover fasten it in place and screen with the following sieve or continue to work with the spray bottle with the cover Do not turn the sieve shaker off during these steps Transfer the sieve into weighed glasses flush off and dry Attention The sieving tower must remain filled with liquid during the entire sieving operation The sieve foils are not to run dry otherwise this may destroy them Tip Torn sieve foils can be point soldered from the bottom with soft solder Do not let any liquids into the instrument 4 5 Grinding with pulverisette 0 4 5 1 Parameters Length of grinding 10 to 30 min average Amplitude 1 to 2 max mm Quantity of grinding stock max 10 ml grain size
11. eccesseecceeeeceeeecceueeecseueeeseseeessaseessaneeeseaes 7 2 5 3 Overload proteCtion sssssssuuesseeee kk dence RE ERR ERE ER ERE ERNE REE ERE REE bate boceeadeees 7 3 PASTA QUON PEE E E E A 8 3 1 UNDC RNO a E ERE Er ENE 8 3 1 1 SESE EIE ge EEEE E E E EA E E SEERE RENNER 8 3 2 RAS BA RE SE FEE E E re 8 3 3 FCO Fe eea en EA E EE E E 9 3 4 ElecHcalcanne CiO iarann i 9 3 4 1 Adjustment to the IN AIING 222222 2 Esben ninia a 9 4 Preparing the Work with the Instrument eeererrn 10 4 1 Preparing for SIOVING ccccseccccssseeeceeseeceeseeeceseecssageeessaseeecsenseesseaes 10 4 1 1 Stacking and fastening the SIQVES ccccceeeeeeceeeeeeseeeeeeeeeeeesaaeeeeeeeeeesaaeeeees 10 4 1 2 Multiple SIO VIN G esiseinas naanin aia aata i Eare EEEa 11 4 1 3 Substance to be sieved during dry or wet sieving Sieves 200 mm in aleina r EN EE E eee EE eee 11 4 2 Dry Seving ccccccsesceccseeeeeeceeseeeceeseeeeaeeeeeseeseeeesaeeeseseaeeeessaneeeseeeeesseegs 12 4 2 1 Sieving parameters ccccccseseccccceeeeececeeeeeeeecaeaeeeeeeseaeeeeseeeceesssaeeeeessaeeeessnas 12 4 2 2 Sieving AlS te ee ee ee ee 12 4 3 Wor ee E E a tari 12 4 3 1 SIEVING parameters c cccecceccceseeeeecceseeeeeeceseeeeseceseeeeeseeseeeesseeseeeesees ss FRR 12 4 3 2 Wetting agents cc ccccccccseecesceeeeecceesescasesesceeeeecoeeteseeeeeseeeeeeseeeressessss fli 12 4 3 3 Supplying the flushing AGENT eeeeeccccceeeeeeeeeeeeeeeeseeeeeeeeeeeesseee
12. eeeeeesaaaneees 13 4 3 4 Recovery of the undersize particles cccccccccseseeeeeceeeeeeeeeeeeeeeeseeeeeeenenaaees 13 4 3 5 Tips on wet sieving of substances that are difficult to SieVe cceceeeees 14 4 4 Sieving with micro precision SICVES cseeececcsseseeeeeceeeeeeeeeeeedeeeeeens 14 4 4 1 SIQVING parameters ccccccceseccccesececseeeeeceeeceeceeeceeseecessueceeseaeeessesecessaneeseaaes 14 4 4 2 Quantity of substance to be sieved ccceeececccceeceeeeeeeeeeeeesseeeeeeeeeeeeeaaaneess 14 4 4 3 Stacking the micro precision SIQVES ccccccseeeeeeeceeeeeeeeeeeeeeeeeeeseeseeeeenaaneees 15 4 4 4 Wet sieving with MICrO PreCiSiON SICVES ccccccseececeeeeeeceeeeeeeeeeeeeaaneeesaaees 16 4 5 Grinding with pulverisette O ccceecccceceseeseeeeseeeeeeeeeeeeeeeeeesaaeeeeeeeeas 16 4 5 1 Parameters 2Mcessscsscces esse enes nee sneen enker k kreere kernerne serne ener FREE 16 4 5 2 Erecting the grinding MOPtal cccccccssceccesseecceeeeeceeeeeeceuseesseceeetauseesssusesess 17 4 5 3 Grinding with liquid NItTOQGEN cccccccseeeeeeeeeeeeeeeeeaeeceeeeseeeeeeessedeeeeeseaneeeenas 18 5 Operating the instrument 1 c11scccccrnesecnennenenecnnenensnanennnsenaees 19 5 1 Aqilcli i eee beset er steve renser RER 19 5 2 Deactivating ssssseseeeesesee renee enre kreere nnrren ennen nerne o 19 5 3 Standby ee ERR 19 5 4 Setting the sieving or grinding time ssssssssese
13. emperature range 5 to 40 C Humidity 80 at 31 C to 50 at 40 C Elevation up to 2000 m above mean sea level Instrument must stand on a stable flat and vibration resistant surface Instrument complies with over voltage category 2 as de fined in IEC 664 t444 4 3 4 Electrical connection Before connecting the instrument compare the values for voltage and current specified on the nameplate with those of your mains 3 4 1 Adjustment to the mains Only specialists are to change over the voltage ranges on the in strument Attention lf the values 06 or 07 set for 230 V this will cause a fault in the sieve shaker during operation NO WARRANTY IF SETTINGS ARE INCORRECT 1 Set main switch to 0 2 While holding down Stop button keyboard turn the instru ment ON at the main switch The instrument is now in the Set up mode 3 The display Sieving Time now indicates the presetting 04 to 230 V 06 to 115 V For a house voltage of 100 V in Ja pan the value is preset to 07 4 These values can be changed with the keys Sieving Time and adjusted to the house voltage 230 V 04 115V 06 100 V 07 The set value is automatically stored 5 After the adjustment turn the main switch back OFF analysette 3 pulverisette 0 Page 9 _ FRITSCH amp 4 Preparing the Work with the Instrument 4 1 Preparing for sieving 4 1 1 Stacking and fastening the sieves Yo
14. er isette 0 Therefore it can also be utilized for very fine grinding of labora tory samples 1 3 3 Vibratory micro mill pulverisette 0 The mortar bowl with grinding balls diameter 50 mm or 70 mm only with agate and grinding stock is caused to oscillate vertically As a re sult the grinding balls in the mortar bowl vibrate thus comminuting the substance through impact and friction To avoid unwanted contamination by fines during the grinding process grinding sets mortar bowls and grinding balls of six different sub stances are available In addition with the pulversiette 0 it is possible to grind in liquid nitrogen analysette 3 pulverisette 0 Page 3 _ FRITSCH A 1 4 Set up and method of operation 1 4 1 Set up The mechanical set up of the instrument is clearly perceptible from the drawings of the replacement parts in the service manual It would be a good idea to refer to them during the following technical explanations The plastic casing contains a solid cast element with an electronically control electromagnet Three permanent elastic leaf springs support its pole flange with the vibrating plate fastened to it When the magnet is activated pole flange and vibrating plate are attracted and spring back when it is deactivated Cast element and magnet on one side and pole flange vibrating plate and sieves on the other side form a vibration sys tem 1 4 2 Method of operation The different quantity o
15. esenennensnnnnnnnnee 20 5 5 Displaying the amplitude W W sssssseressreresssrnere rh 20 5 6 Interval Of time ccrecsereseressessessssesreresresseresrerr sess a 20 Bf Storing and accessing the SettingS ccccsssssscceeecseseeseeeeseeeseaeseees 20 5 8 Micro precision SIQVING c ccseseeseseereseesereseseeees ss fin 21 6 Cleaning s assso21u0nnnnonnnnnnnnnnnnnnnnnnnnnnnonnnnnnnnnnnnnnn mn ERR 21 6 1 Cleaning the instrument ccccccseeeeeceseeeeeeeeeeeeeeeeeseaaaeeeeessaeeeeeseaas 21 analysette 3 pulverisette 0 alien FRITSCH 6 2 6 4 7 1 7 2 7 4 7 4 1 7 4 2 7 4 2 1 7 4 2 2 7 4 2 3 7 4 3 7 4 4 7 4 5 10 Cleaning the analysis sieves woven mesh SieVES c ssceeeeeeees 21 Cleaning the micro precision sieves ccccecesseeeeeeceeeeeeeeseaeeeeeeeeens 22 Cleaning the grinding CleMent ccccccccsseeeeeeeeeeeaeesseeeeeeeessaeeeeees 22 CCS SOMOS LEE A TE OEE EOE ib 23 Program autosieve sesienosnienvimcesbsasmnguudaetisaienedesanineandatacavaraitucataieniamensais 23 Connecting the sieve shaker to the serial interface 1 1 1 23 Sound insulation hood cceeccceeceeeeeececeeseeceeceeeeeeceeseeeaeeeeeeeaaeeeeeeeas 23 TorqueMaster sscaguatantctenadananiniesctmmnainnutistisatsirialandanereeniuinnndosunmoeotaiseewndiats 24 E p oe A A P A A EA A E E N EA AT T A N E E A A E 24 Placing and bracing the sieves with the TorqueMaster
16. f sieves and grinding stock or top mounting parti cles changes the natural frequency of the vibration system Conse quenily it is not always possible to set the sieve shaker optimally e g to a constant 50 Hz line frequency The sieve shaker s processor controlled electronic system ensures a precisely adjustable reproducible sieve amplitude This is achieved by bringing the amplitude closer to or further away from the natural frequency of the system The desired amplitude of vibration of the sieve stack is between 0 1 mm and 3 0 mm It can always be achieved with relatively low expenditure of energy Consequently permanent operation is possible without the sample and the entire sieving system warming up 1 4 3 Regulating the amplitude An electronic control circuit reduces the sieving frequency from a high to a low range In this process a measurement system acquires the ampli tude and reports it to the control circuit until the preset amplitude is reached This amplitude regulation occurs at regular time intervals throughout the complete operation to enable response to changes in the sieving sys tem analysette 3 pulverisette 0 Page 4 _ FRITSCH A 1 5 Technical data Dimensions and weight Dimensions 350 x 200 x 400 mm width x height x depth Net weight 21 kg Noise during operation The noise level is 65 82 dB A This value fluctuates in response to fre quency grinding stock and sieving aids being used Voltage The i
17. g procedure should be followed Malfunction Possible cause Elimination of fault Both indicators in Tensioning unit is Open the tensioning unit the outer red opened too wide only slightly area it is possible that the belt is fixed too tightly hence it must be re leased by one tooth from both the sides on the tensioning block Tensioning unit must Assemble as per the be opened wide so instructions as to enable deposi tion Tensioning unit not assembled as per the instructions Both indicators in Tensioning unit Assemble as per the the respective closed at a very wide instructions inner red areas distance Tensioning unit not assembled as per the instruc tions One indicator on Tensioning unit as Assemble as per the one side in the sembled ina very __ instructions red area asymmetrical manner Ensure symmetry while fixing the belt in the ten sioning blocks 7 4 4 Maintenance of the TorqueMaster The tensioning unit is largely maintenance free It can be cleaned with the usual solvent free detergents The tensioning unit is more or less closed Ensure that no fluids dust dirt or other foreign bodies enter the tensioning unit through the open ings for the toothed belt 7 4 5 Compatibility The TorqueMaster must be used with toothed tensioning blocks 03 3120 00 Damage to the toothed belt can be avoided with a good design and through appropriate use of this combination Basically To
18. his opening O in the wet siev ing head since this will wash back out during a protracted sieving time 4 3 4 Recovery of the undersize particles To recover the fines from those from the bottom sieve you can connect the discharge hose to for example a suction filter Tip Clean water coming out of the sieve pan indicates that the sieving is over Do not permit any liquid into the instrument analysette 3 pulverisette 0 Page 13 FRITSCH alien 4 3 5 Tips on wet sieving of substances that are difficult to sieve e When wet sieving substances that are difficult to sieve reduce the quantity of substance to be sieved and select sieves with a narrower range of mesh sizes e Turn ON the interval sieving time 3 to 5 sec e When sieving on the top sieve is finished no undersized par ticles remain take off the sieving head remove the top sieve and fasten the sieving head on the next sieve As a result the jets are concentrated directly on the substances on the next sieve Following this procedure you can sieve each individual sieve in the tower while exerting a direct effect with the water jets The jets are arranged such that the substance being sieved is flushed from the circumference of the sieve to the centre During this process the sieving head Plexiglass cover is also sprayed and is kept free of substances e To avoid backpressure on a lower sieve while wet sieving substance that is diffic
19. hlight the risks detailed in the text e Some symbols are also used on the sieve shaker where they warn of possible risks e Warning symbols are surrounded by a triangle e This operators manual is not a complete technical description It describes only the details necessary for operation and to main functionality Explanation of symbols on sieve shaker and in operator s manual Attention Warning Danger zone Comply with operator s manual Attention High voltage Attention Risk of explosion Attention Hot surface Attention Flammable materials analysette 3 pulverisette 0 Page 1 Warning Risk of injury to hand Wear protective gloves Wear ear protection Wear eye shield Do not walk under suspended load With water squirt forbidden analysette 3 pulverisette 0 Page 2 mile FRITSCH FRITSCH alien 1 3 Brief description of the sieve shaker 1 3 1 Sieve shaker 3 model PRO The analysette 3 is a vertically vibrating laboratory sieve shaker em ployed for the precise separation and classification of grain sizes It can be used to analyse the size of dry powders and of particles suspended in a liquid as well Depending upon the quantity to be sieved and the particle size distribution sieves and pans of different diameters and heights can be placed on the sieve shaker e Dry and or wet sieving is possible with metallic
20. ieving tower loose Fluctuation Screws of rotating spider around set point loose Leaf springs faulty Leaf springs too hot Tightening belts not uni formly tightened Substance to be sieved doesn t distribute uni formly Instrument not level over the sieving surface analysette 3 pulverisette 0 To resolve problem Plug in the mains plug Turn main switch ON Change the mains fuse Turn ON breaker or change fuse in fuse box Tighten the belts Tighten the belts Tighten the screws 8 Nm Check leaf springs for cracks and if necessary exchange rotating spider Let springs cool down Tighten tightening belts uniformly Re level the instrument by twisting the feet Page 28
21. il P or 00 appears in the display Due to the pauses in sieving the sieving process is accelerated greatly when sieving a substance that is particularly light e g grain or plastic because during the sieving pause light material can fall through the stationary sieve mesh and drop onto the next finer sieve fraction 5 7 Storing and accessing the settings The settings of the amplitude sieving time grinding time interval length and MICRO ON OFF can be stored 9 memory locations are available for this purpose Save settings Push the SAVE key Access settings Press the PROGRAM key When the PROGRAM key is pressed 9 memory locations appear in succession and the settings are displayed analysette 3 pulverisette 0 Page 20 _ FRITSCH A 5 8 Micro precision sieving After the MICRO key is pressed a pilot lamp lights up in the key and the amplitude is set to 0 1 mm You can now select an ampli tude of max 0 5 mm Pressing the MICRO key again turns OFF the limit The instrument cannot be switched to MICRO when it is turned OFF Attention lf the instrument is running at settings of one of the memory locations 1 to 9 you cannot change any setting during operation If PROGRAM 0 is shown in the display the settings can also be altered during operation 6 Cleaning 6 1 Cleaning the instrument You can wipe the instrument off with a damp cloth Do not let any liquids into the instrument 6 2 Cleaning
22. ing parameters Parameter Average Percentage of fine particles Sieving time 3 to 10min approx 15 min Amplitude 2 to 2 5mm 4 3 2 Wetting agents Weiting agents enhance dispersion e Add tenside in liquid form flushing agent imbentine etc in small quantities only in drops to avoid foaming analysette 3 pulverisette 0 Page 12 _ FRITSCH A e Add inorganic or organic salts such as sodium phosphate or sodium lauryl sulphate and polysalts in quantities of 0 1 0 5 4 3 3 Supplying the flushing agent To add the flushing agent connect a hose with hose clamp to the quick release coupling on the wet sieving head Add just enough water or alcohol to avoid backpressure damming in the sieve stack The maximum quantity of liquid is limited by the 3 nozzles on the sieving head approx 1 5 I at approx 2 bar Make certain that the liquid flows evenly out of the wet sieve pan this is an indication that substance being sieved and the liquid are well dis persed If the flow of liquid ceases this indicates backpressure in a sieve Stop the flow of liquid and check if your sieves are plugged The overpressure that develops in the sieving tower due to the backpressure can destroy the woven mesh of the sieve Make certain that the small opening O in the wet sieving head is open otherwise it cannot prevent overpressure from developing and possibly a break in the woven mesh You can also add wetting agent through t
23. lifting it from the sieve tower and placing it behind the instrument 2 Insert the toothed belt in the tensioning block as described in Chapter 4 1 1 3 3 Place the sieve tower and fill in the material to be sieved as given in Chapter 4 1 1 4 5 4 Place the TorqueMaster strainer head Chapter 4 1 1 6 5 Place the tensioning unit on the strainer head As far as pos sible the tensioning unit must be placed and operated symmetrically This symmetry can be ensured by setting and fixing the belt properly 6 Tighten the toothed belt on both sides and close the strap of the tensioning block as described in Chapter 4 1 1 8 9 7 Ensure that both the indicators are more or less in their cen tral positions 8 You can now tighten the tensioning system with the cordless screwdriver analysette 3 pulverisette 0 Page 25 FRITSCH alien 7 4 2 2 Tensioning A reproducible force of 1KN is applied on the sieve cover right from the process of tensioning by the cordless screwdriver till its release Tensioning processes in which the sliding coupling of the cordless screwdriver does not get disengaged due to any defect dead battery or improper operation fail to apply the required force gt The right amount of tension force is applied only if the sliding coupling of the cord less screwdriver is disengaged during the tensioning process The tensioning unit must be operated with a definite release torque of the operating
24. lt 5mm analysette 3 pulverisette 0 Page 16 _ FRITSCH amp 4 5 2 Erecting the grinding mortar e Place the grinding mortar on the vibrating plate The mortar must sit straight in the round recess do not tilt it e Unscrew the tension belt systems as far as possible away from the toothed belt e Pour in the grinding stock e Put on the cover e Hook tension belt systems on cover Figue 3 Figure 4 e Guide the toothed belts through the fastener and tighten Figure 3 Run the toothed belts up into the teeth of the block e Set the tightening lever as shown in Figure 4 Note that the tightening lever with the hole locks into a thrust piece in the block e Tighten the sieving tower until it is uniformly tightened by turn ing the tension belt system clockwise until the toothed belts are uniformly tightened During grinding select an amplitude at which the balls vibrate You will achieve the best grinding results at the lower to middle amplitude 1 mm to max 2 mm because the impact frequency of the grinding balls is greatest then Attention Avoid amplitudes at which the grinding balls bounce high Begin grind ing at a low amplitude and increase it slowly Do not select too high an amplitude There is a risk that the grinding balls may destroy the cover You can pour the grinding stock into the mortar bowl while substance is dry or in Suspension Do not let any liquid into the instrument a
25. nalysette 3 pulverisette 0 Page 17 _ FRITSCH A 4 5 3 Grinding with liquid nitrogen Attention Grinding with liquid nitrogen is only possible with grinding accessories made of stainless steel tungsten carbide and zirconium oxide When grinding in liquid nitrogen to embrittle the substance being ground it is advisable to use the device especially designed for grinding in nitro gen Item no 00 2000 00 In this heat insulated instrument the grinding vessel and the grinding balls can be cooled dramatically before grinding Very little liquid nitrogen has to be added during the grinding process Attention Comply with ZH 1 119 Chapter 5 4 6 in particular and all other pertinent regulations and notices dealing with the handling of liquid nitrogen Wearing suitable protective clothing especially protective glasses and thermal gloves is mandatory Work just with the lowest possible amounts The laboratory must have adequate ventilation The bottom pot is placed on the vibrating EN i Riickseite plate and the mortar with ball and grinding back stock are placed in the plastic mount The top pot is then placed on the bottom pot such that the gasket in the top pot is touching the edge of the mortar the tube is pointing to the rear and the amplitude indicator forward The ae instrument is then clamped in place like a Vorderseite Amplitudenanzeige oN frontside amlitude indicator normal sieving tower see Chap
26. nstrument can be operated in two voltage ranges e Single phase a c voltage 115 V 13 and e Single phase a c voltage 230V 13 It is not necessary to switch from one to the other manually Power consumption Depending on the line voltage the maximum consumption of voltage is in the ranges e 115 V 0 44A e 230 V 0 22 A Wattage The maximum wattage is 50 W Electric fuses Fuse under mains switch back of instrument Replacement wire fuse 4 AM 5 x 20 mm Load The maximum load consisting of both sieves and substance to be sieved must be less than 6 kg see Chapter 4 Preparing the Work with the In strument Sieve mesh widths that can be used sieve shaker e Dry sieving 100 um to 25 mm without sieving aids from 32 um with sieving aids e Wet sieving from 20 um e Micro sieving 5 um to 100 um Final fineness micro mill The attainable end fineness of the ground stock is about 5 to 10 um depending on the grinding capability of the sample and how long it is ground analysette 3 pulverisette 0 Page 5 _ FRITSCH A Operational Safety General safety instructions e Read the operator s manual carefully e Operate the instrument only for the purpose described in Chapter 4 Preparing the Work with the Instrument e Use only original accessories and original replacement parts Failure to do so may call the safety of the sieve shaker into question e The main switch of the instrument is mounted on
27. rasound can destroy the sieves e Do not subject the precision sieves to ultrasound in the bath for over 3 minutes 6 4 Cleaning the grinding elements Clean the mortar bowl and grinding balls after each use e g brush clean under running water with conventional cleaning agents It is permissible to clean the elements in the ultrasonic bath Attention Do not heat grinding parts above 100 C Cool them slowly and carefully Agate parts must never be heated in the microwave they heat up too rapidly They must never be subjected to temperature shocks such shocks may destroy the parts gt They burst apart explosively analysette 3 pulverisette 0 Page 22 _ FRITSCH A 7 Accessories 7 1 Program autosieve When used in combination with the program package AUTOSIEVE the serial interface permits a computer to control all of the functions of the sieve shaker and to ensure the reproducibility of the sieving processes The automatic evaluation of the sieving results has also proven to be a great worksaver After the individual fractions are weighed it is possible to display and store sieve results in a broad range of forms with the aid of the program package AUTOSIEVE and a scale 7 2 Connecting the sieve shaker to the serial inter face Use the safety screws of the 9 pin Sub D receptacle of the interconnect ing cable accompanying the AUTOSIEVE program to connect the recepta cle to the Sub D plug connector on
28. rqueMaster can also be used with the old tensioning blocks 03 1210 00 However this combination leads to excessive wear and tear of the belt and hence its use is not advisable analysette 3 pulverisette 0 Page 27 8 Maintenance FRITSCH alien Aside from routine cleaning the sieve shaker and micro mill are mainte nance free Unplug the mains plug before starting any work in the instrument Unplug the mains plug and secure the instrument to prevent acci dental reactivation When opening the instrument keep in mind that capacitors inside may be conducting high voltage 9 Warranty The warranty card accompanying this instrument when delivered must be filled out completely and returned to the supply plant in order for the warranty to take effect The option of online registration is available For further information please refer to your warranty card or visit our Home page http www fritsch de FRITSCH GmbH Laboratory Instruments Idar Oberstein Ger many its Application Technology Laboratory and or the Fritsch representatives in your country will be pleased to provide advice 10 and assistance If you have any questions include the serial number that is prin ted on the nameplate of the instrument Checklist for Troubleshooting Malfunction Possible cause amp POWER Won t light up Line fuse of the wall out let has blown Rattling noses Tightening belts loose Strong vibration S
29. ter 4 1 ay Preparing for sieving Liquid nitrogen is then carefully poured through the hopper It evaporates immedi ately and flows out through the tube The boil ing nitrogen can be viewed through the mac rolon inspection glass Continue to add liquid nitrogen only until the amount of vapour flow ing out the tube decreases The grinding elements have then been cooled down enough to start grinding During this process proceed as described earlier for normal grinding During grinding continuously refill as much nitrogen as evaporates analysette 3 pulverisette 0 Page 18 _ FRITSCH A 5 Operating the instrument Please take into account that some of the functions described are not available with the analysette 3 SPARTAN and the pulverisette 0 5 1 Activating After the mains switch on the back of the instrument is turned ON the pilot light POWER lights up The displays indicate the basic setting Pressing the START button turns the instrument ON 5 2 Deactivating Pressing the STOP button turns the instrument OFF If the instrument will not be operated for a protracted period of time turn the instrument OFF at the mains switch 5 3 Standby lf the instrument is not operated for about an hour it switches to the cur rent saving mode STANDBY Only the STANDBY lamp lights up Pressing the START button switches into the normal mode The POWER lamp lights up the STANDBY lamp goes OFF analysette 3
30. the analysis sieves woven mesh sieves We recommend that you use our ultrasonic bath laborette 17 to clean the sieves Ultrasound baths with higher output can destroy the sieve mesh Place the sieves in the cleaning agent straight up or head down Attention A brush can destroy fine woven mesh Use mechanical aids only if coarse sieves are involved With small mesh sizes there is a risk that the mesh will be moved and the mesh size will no longer be correct If possible clean the sieves after each use You can dry the sieves in a drying oven at max 95 C the drying time can be shortened by flushing sieves with alcohol analysette 3 pulverisette 0 Page 21 _ FRITSCH A 6 3 Cleaning the micro precision sieves Use the ultrasonic bath laborette 17 to clean the sieves e Place the micro precision sieves in a thick walled glass con tainer containing cleaning agent e g water with tensides or alcohol in a 5 litre beaker with walls about 3 mm thick e Immerse the sieve in the cleaning agent sieve foil side up e Place the beaker with sieve into the wire basket in the ultra sonic bath e Before turning the ultrasonic bath ON check the level of the liquid in contains it must be about 3 to 5 cm below the edge of the bath to ensure good coupling of the ultrasonic energy e Rinse sieves with alcohol and let them air dry Drying possible at max 40 C Attention e Be very gentle with sieves e Direct ult
31. the back of the instrument The space behind the instrument must be readily accessible so that the switch can be reached quickly in the event of danger e The operators must be familiar with the contents of the opera tors manual As one of the steps to ensure this keep the operator s manual with the instrument e Do not remove any information signs e During all work strictly obey all accident prevention rules e Any unauthorized modifications of the instrument result in loss of the Fritsch s declared conformity with European directives and render the warranty null and void e Ifthe fines exceed a certain percentage there is a risk of self ignition dust explosion when grinding or sieving substances that can oxidise e g metals organic substances wood coal plastics etc Consequently special safety precautions e g wet grinding or wet sieving must be taken and the work must be supervised by a specialised expert e In addition the MAC values of the applicable safety regula tions must be complied with If necessary steps must be taken to ensure ventilation or the instrument must be operated under an exhaust vent e The instrument is only to be operated indoors The ambient air is not to contain any dust that would conduct electricity e The instrument is not designed with explosion protection and is not suitable for grinding or sieving explosive combustible or fire promoting substances analysette 3 pulverisette
32. the sieve shaker Plug the other end of the interconnecting cable with the 9 pin connector into the serial interface of the computer 7 3 Sound insulation hood A sound insulation hood Item no 00 0130 17 is available to re duce the operating noise of the micro mill analysette 3 pulverisette 0 Page 23 E E FRITSCH 7 4 TorqueMaster As an alternative to the standard tensioning process the TorqueMaster can be used for quick and precise tensioning 7 4 1 Parts Attention The supplied emergency wheel should be used exclusively for releasing the tension of a sieve tower if the cordless screwdriver malfunctions If it is used for tensioning there is no limit on the tightening torque the malfunction and a possible destruction of the tensioning unit are thus pre programmed analysette 3 pulverisette 0 Page 24 mile FRITSCH 1 4 2 Placing and bracing the sieves with the TorqueMaster The sieves are placed as described in Chapter 4 1 1 Stacking and fas tening the sieves described with the following differences 7 4 2 1 Preparing for the tensioning process 1 The starting position of the tensioning system is the position in which both the indicators are located more or less in the centre of the respective display area This position ensures that sieve towers with varying heights can be tensioned sub sequently without any problem and that a sufficient distance is available for detaching the system
33. u can stack as many as e sieves 50 mm or 2 tall or e sieves 25 mm or 1 tall on the vibrating plate between the sieve pan collecting vessel and siev ing head The combination of sieves and sieve pan is referred to as a sieve stack 1 The sieves in ascending mesh size i e finest sieve at the bottom are placed loosely in one another with gaskets be tween each until the sieve stack is complete Attention The mesh size of the sieves must increase from bottom to top For instructions as to appropriately stagger the sieve mesh sizes and to conduct a sieve analysis refer to the standard DIN 66 165 Parts 1 and 2 the program AUTOSIEVE and or our application technology laboratory Loosen the tension belt system as much as possible Move the lever on the small tension block down and guide the toothed belts out through the fastener from the inside Figure 1 4 Place the sieving tower with sieve pan on the rubber pad of the vibrating plate 5 Place the substance to be sieved on the top sieve 6 Put the sieving head on in such a manner that the inner rub ber surface seals the circumference of the sieve 7 Hook the tension belt systems onto the sieving head OG Nle o o Figue 1 Figure 2 analysette 3 pulverisette 0 Page 10 _ FRITSCH A 8 Pull the toothed belts tight Figure 1 and insert them into the teeth of the block 9 Move the tightening lever to the position shown in Figure 2 Note th
34. ult to sieve interpose a sieving ring over this sieve After this ring is connected to the hose system additional lig uid is sprayed in through three nozzles thus counteracting any backpressure damming These nozzles are positioned so that they spray onto the sieving surfaces above and below the sieve in question This also causes the substance being sieved to move in a circle If necessary you can also place another interposed sieving ring above any sieve that tends to become clogged 4 4 Sieving with micro precision sieves 4 4 1 Sieving parameters Parameter 1 micro precision sieve max 4 micro precision sieves Sieving time 20 to 30 min Amplitude 0 1 to 0 2 mm 0 5mm 4 4 2 Quantity of substance to be sieved Depending on the distribution of particle sizes and the size of the sieve holes you can sieve a maximum of 200 mg in the case of coarse sieves from 100 um to 1 gram Utilize trial and error to ascertain the Suitable amount to be sieved Attention The instrument must be in the MICRO operating mode The MICRO lamp must light up Otherwise the sieves may be destroyed In the MICRO operating mode the amplitude is limited so that only val ues between 0 1 and 0 5 mm can be selected analysette 3 pulverisette 0 Page 14 _ FRITSCH A 4 4 3 Stacking the micro precision sieves Refer to the replacement part drawings in the appendix for draw ings of the individual components mentioned below e Turn
35. wer sieves are used it may not be possible to achieve a target amplitude of 3mm full amplitude In this case the regulation of the sieve shaker can no longer attain the optimal operating point the sieve shaker vibrates at a lower amplitude and frequency The target amplitude must in this case be lowered accordingly Once the machine has warmed up the target value can under some circumstances be in creased accordingly 4 2 2 Sieving aids To shorten the sieving time you can place so called sieving aids in every sieve with mesh sizes larger 32 um During sieving the balls im pact on the sieves and accelerate the removal of the substance being sieved You can use the following as sieving aids e Agate balls 10 mm 10 balls per sieve Order no 55 0100 05 or e Rubber balls 20mm 5 balls per sieve Order no 31 0180 15 4 3 Wet sieving Caution Do not use any easily ignited flammable liquids such as ketones or ben zenes with a boiling point lt 120 C For the wet sieving use the wet sieve pan with outlet and discharge hose and the wet sieving head Refer to the replacement parts drawings in the appendix to see drawings of the individual replacement parts men tioned below Pour the substance to be sieved making certain that it disperses as well as possible onto the top sieve and clamp the wet sieving head Make certain that the gasket in the cover seals well Do not let any liquids into the instrument 4 3 1 Siev
36. woven mesh sieves as well as with galvanically produced micro precision sieves e It features a large number of functions such as electronic am plitude regulation amplitude display ability to specify the length of the interval in advance ability to micro sieve and the standby function e serial interface permits cooperation with the computer pro gram AUTOSIEVE This cooperation satisfies the stipulations in DIN ISO 9000 for precisely defined testing Refer to the attached leaflet for the capabilities of the com puter program AUTOSIEVE e itis not advisable to convert the analysette 3 PRO into the micro mill pulverisette 0 because the disruptions caused by the impact of the balls would render the ampli tude regulation useless The analysette 3 SPARTAN is better suited for this purpose Attention Should you use the PRO model with the grinding head pulverisette 0 please see to it that the amplitude is not set gt 2mm as this will lead to damages at the instrument for which Fritsch does not accept the liability for 1 3 2 Sieve shaker analysette 3 model SPARTAN The analysette 3 SPARTAN has the same structure as the PRO model but with fewer functions It does not possess the serial interface the amplitude display the ability to specify the length of an interval in ad vance the ability to micro sieve or the standby function It is easy to convert the vibratory sieve shaker into the micro mill pulv
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