User Manual - Hettich AG
Contents
1. The display shows the description SP followed by the actual set point temperature Now press the arrow keys to define the required set point temperature The temperature changes 0 1 C with every short keystroke A long keystroke allows a rapid change of the temperature setting After the correct set point temperature entry press the button P again Now the display shows the actual value of the temperature The set point temperature can be changed at any time by pressing the button P again ATTENTION burn hazard The use of the infrared lamps in the compartment lid may generate high temperatures which can cause severe burns when opening the lid Use the infrared lamps extremely careful for the evaporation of highly volatile solvents for example Ether benzene or similar solvents because the high temperature can cause the combustion of the solvent Please check the material safety data sheet MSDS of the solvent and decide if it is recommended to use the infrared lamps to heat your sample 2 5 Shaker switch 5 The shaker switch allows to activate or deactivate the motor of the shaker The speed can be adjusted with a 10 gear rotary potentiometer If the selected value at the rotary potentiometer is too low the shaker may not be active see chapter 2 6 15 2 6 Shaker speed 6 The rotary speed can be adjusted with the 10 gear rotary potentiometer The shaking process starts when the selected2. Drive assembly complete Gauge glass lid Borosilicate glass complete Vacuum chamber 1 8 Fitting vacuum chamber Wire mesh including gasket Teflon tubing d 6mm for gas Inlet Spacer for electronic main board Handle for lamp cover Barb fittings 2 pieces part of article no MD E203 contains 2x pieces Erection bolt 2 pieces part of article no MD E203 contains 2x pieces Blank holder for Gauge glass vacuum chamber Front cover empty Top cover Lid complete without borosilicate glass MD M118 Cover plate belongs to lamp cover Hinge left complete Hinge right complete Vacuum adapter DN25 Gas spring strut Cushion for glass plate Silcoflon O Ring 50 39x3 53mm set of 3 pieces for shaker plate 23 8 0 Device specifications MicroDancer Dimensions Width Depth Height Weight Power source Fuses Power consumption total Power consumption of IR rod Power consumption of compartment heater Power consumption of shaker motor Power consumption of release valve Power consumption of Jumo temperature controller Power consumption of LED chamber light Vortex rate Control Temperature range of heater infrared lamp Temperature range of compartment heater Safety shutdown compartment heater Safety shutdown infrared lamp Temperature sensor Vacuum connector Connector for release inert gas Vacuum Chamber Material Diameter Height Mate
3. Maintenance and repair Maintenance Repair Spare parts Spare parts list electrical Spare parts list mechanical Device specifications Infrared spectrum EC Conformity Declaration 21 21 21 22 22 23 24 25 26 1 0 Operating principle installation and first steps 1 1 Operating principle Thank you for choosing the MicroDancer Infrared Vortex Evaporator This device has been designed to suit the most demanding requirements and to ensure the highest flexibility for the evaporation of solvents using various types of sample tubes microtiter or deepwell plates The MicroDancer can be also used as reaction chamber incubator or as vacuum dryer The operating principle is a combination of heating vortex and vacuum These parameters can be manually defined The MicroDancer can accommodate 2 deepwell plates or microtiter plates Special racks can also accommodate HPLC vials or other larger containers such as Falcon tubes for instance The vacuum can be adjusted using a diaphragm pump or a rotary vane pump Infrared lamps located in the lid heat the samples An independent compartment heater prevents the condensation of solvents with high boiling point in the vacuum chamber The actual temperature can be measured directly in the sample or in the rack recommended by means of a PTFE coated temperature sensor There are no rotating parts in the MicroDancer Vortex of samples is achieved by means of a magnetic d
4. remove errors if any should appear Please read always the material safety data sheet MSDS of the medium which should be evaporated Please check that the flash point and the point of ignition will not be reached or even exceeded danger of explosion Place the temperature sensor always in the destined borehole in the sample rack It should never dangle outside the instrument Never cover the instrument with cloths or other coverage fire hazard IMPORTANT Hettich AG Switzerland will assume NO liability for any improper use of the instrument 1 3 Package contents Now please take the MicroDancer and its accessories out of the box The package contents 1x MicroDancer Infrared Vortex Evaporator 1x shaker plate with three rotary feet 1x power cord 1x operation manual Should one of the above listed items be missing please contact the manufacturer or your reseller 1 4 Unpacking and setting up of the instrument Unpack and inspect the MicroDancer carefully The package contents the shaker plate the country specific power cord and the instruction manual Place the MicroDancer on a stable basis or work bench Leave enough space behind the instrument so that the cover with the lamp assembly can be completely opened The space behind the instrument is also necessary to allow a sufficient circulation of air to avoid overheating of the instrument Now open the cover with the lamp assembly and remove all packing material o
5. below shows the characteristics of the IR emission of the infrared rod 2400K curve In case of a rod exchange the new lamp should NEVER be touched directly with fingers Always use a lint free cloth OO Bi N 5 En Oo 3 OS ID Ee Ss 5 5 2 N z g CO o e E Ge E i e D o u D e sl Sai St Wm es o E a S gt E Gant q N O Wm NK g E oo S NS o 2 N E IR CH o o b gt a oo o oo os oo o w de ep del del del fel ge 5 5 o o t N Oe S N O LD JS WIU AAL 25 N Hettich AG CH 8806 Bach Switzerland 7 Tel wit 447268020 4144 786 80 21 k rax hS H mal hetich ag ch gt LABORAPPARATE wwe hettich ag ch EG Konformitatserklarung EC Conformity Declaration D claration de conformit CE Dichiarazione di conformita alle norme CEE Hettich AG Seestrasse204a 8806 B ch SZ Switzerland Das bezeichnete Ger t entspricht den aufgef hrten EG Richtlinien und Normen The named device complies with specified EC guidelines and standards L appareil ci dessous satisfait aux directives CE et aux normes mentionn es L apparecchio indicato conforme alle direttive e norme CEE previste Ger teart Type of device Type d appareil Tipo di apparecchio Verdampfungsger t Evaporator Evaporateur Evaporatore Typenbezeichnung Type designation D signation de mod le Contrassegno tipo MicroDancer Infrared Evaporation System EG Richtlinien Normen EC guidelines stan
6. danger of life Attention must be paid to the instructions concerning AC power and power consumption When the MicroDancer is transferred from a cold place to the laboratory condensation may appear in the device In such a case allow it to acclimatize for at least two hours before operating Attention must be paid to allowable ambient operating temperature and to air supply especially during mounting of the device A vacuum is generated by the vacuum pump during solvent evaporation Observe safety rules to generate and measure vacuum Operating instructions of the utilized vacuum pump also have to be observed Carry thermal insulated gloves and a laboratory coat with long sleeves when reaching into the instrument Danger of being burnt when touching the chamber surface at high evaporating temperatures Only qualified personnel which has been trained by Hettich AG Switzerland is authorized to service this equipment Use only genuine parts and accessories The use of components from another manufacturer may affect the functionality i e the safety of the device and its electromagnetic compatibility When using non original sample racks or spare parts self made or non Hettich AG products the warranty will expire immediately Do not place any solvent container or any objects on the MicroDancer The coolant circuit of the PoleStar cold trap is maintenance free A qualified refrigeration specialist should be the only person authorized to
7. mild detergent Never use solvent containing cleaning agents for example acetone etc 5 2 Cleaning of the glass plate The glass plate can be cleaned with a glass cleaning agent of good marketable quality For compete cleaning gently remove the glass plate from the lid Remove the four upper screws at the side of the lid 2 screws at the left hand side and 2 screws at the right hand side when the lid is closed After removal of the screws open the lid The glass plate stays at the gasket of the vacuum chamber Now remove the glass plate and place it on a clean support Now remove the dirt from both sides Then place the glass plate at the gasket The holders of the glass plate contain guide pins which can be adjusted at the lamp holder bracket Guide the glass plate with one hand and fix the screws preliminary with the other hand in the glass holder Then close the lid carefully and tighten the screws stoutly with a 3mm hexagon socket screw key 5 3 Cleaning of the vacuum chamber The cleaning of the vacuum chamber requires particular attention because the deep holes for the feet can be filled with grit dust metal particles or even culets Therefore the holes must be weekly controlled and cleaned Remove them as efficient as possible to assure the proper functioning of the shaker As cleaning agent we recommend ethanol 70 20 6 0 Maintenance amp Repair 6 1 Maintenance Maintenance should be only carried out by an authorized distr
8. 1 7 PoleStar cold trap Picture F shows the PoleStar cold trap from the front It has a three litre capacity The back view of the instrument is shown in picture G Power switch 28 turns the unit on or off Press the defrost switch 23 to defrost frozen solvents The window 26 allows to see the cooling coil in the FEB coated vessel on which the solvent condensates and freezes The temperature display 22 indicates the actual temperature in the cold trap The MicroDancer will be connected with a DN25 tube connector 24 The vacuum pump will be connected at port 25 You also can see the drain valve 27 used for draining condensed solvent press or pull 22 P BEBEN et il l 23 d Picture F PoleStar Cold Trap front view 22 Temperature display 25 Tube connector to vacuum pump 810mm 23 Defrost mode switch 26 Cold trap window 24 DN25 Connector to MicroDancer 27 Drain valve 30 amp POWER OUT TRABA e 28 rs D E WW 29 Picture G PoleStar Cold Trap back view 28 Power switch 30 Power out socket 29 Mains power in socket for Vacuubrand PC3003 3004 VARIO pump 1 8 Vacuum pump The MicroDancer works in combination with diaphragm pumps as well as rotary vane pumps The use of Vacuubrand PC3003 3004 VARIO diaphragm pump allows to program time controlled gradients This allows to evaporate even difficult solvent gently Note Vacuubrand PC3003 VARIO diaphragm pump produces a ma
9. 18 IRD E219 MD E221 MD E222 MD E223 MD E228 MD E229 MD E232 MD E233 MD E235 MD E245 MD E246 MD E247 MD E248 MD E252 MD E253 Spare parts list electrical Description Infrared rod 235V 500W R7s Temperature sensor PT100 Release valve complete Temperature Controller Jumo controller Fan 230VAC top cover Compartment heater Mains power inlet circuit breaker power in Power outlet socket lamp out Fuse T5A L power input 230V Potentiometer shaker Analogue adjusting knob with bracket shaker Switch 230VAC two pole red heater Switch 230VAC two pole green shaker Switch 230VAC two pole amber valves Power cord L N PE cover Cable clip holder Electronic main board Print power supply Thermostat 60 C lamp housing Bracket R7s Thermostat 60 C compartment heater Thermostat 80 C with RESET compartment heater Fan 115VAC top cover USA Japan version Tilt switch Safety switch including isolator to cover Shaker motor Shaker FuseT10A L USA Japan version 22 7 2 Spare parts mechanical Article No MD M103 MD M109 MD M111 MD M114 MD M117 MD M118 MD M120 MD M122 MD M125 MD M127 MD M128 MD M129 MD M131 MD M132 MD M133 MD M134 MD M135 MD M139 MD M146 MD M147 MD M149 MD M156 MD M157 MD M165 MD M169 IRD M170 Description Silcoflon O Ring red 304 10x7 0mm vacuum chamber sealing Transmission belt drive assembly Device feet 4 pieces
10. MicroDancer Infrared Vortex Evaporator User Manual English Version 2 1 N e SNETTICH k LABORAPPARATE Seestrasse 204a CH 8806 Bach SZ Switzerland Tel 41 44 786 80 20 Fax 41 44 786 80 21 E mail mail hettich ag ch Internet http www hettich ag ch aa os ch ch ch ch ch S Dom Jo mmm bG hM z WN A 3 0 3 1 3 2 3 3 3 4 3 5 4 0 4 1 5 0 5 1 5 3 Content Operating principle installation and first steps Operating principle Safety instructions Package contents Unpacking and setting up of the instrument The MicroDancer Infrared Vortex Evaporator Front view Back view The vacuum chamber Sample racks PoleStar cold trap Vacuum pump Installation of the MicroDancer ConnectingMicroDancer and PoleStar Operating elements at the front side of the MicroDancer Release valve switch 1 Compartment heater switch 2 Heater switch lid 3 Temperature controller 4 Shaker switch 5 Shaker speed 6 Operating elements at the front side of the MicroDancer Power socket 10 and on off switch 11 Lamp outlet socket 16 Vacuum pump cold trap connector DN25 14 Release gas connector 12 Lid fan ventilation slots 13 Working with the MicroDancer Starting of an evaporation process Cleaning Cleaning of the housing Cleaning of the glass plate Cleaning of the vacuum chamber 20 20 20 20 6 0 6 1 6 2 7 0 7 1 7 2 8 0 8 1 Annex Content
11. ch position I the instrument is turned on The On Off switch is located at the back side of the instrument on purpose to avoid an accidentally deactivation of the instrument by cleaners or other persons 3 2 Lamp outlet socket 16 The cable of the infrared rod which is located in the instrument lid must be plugged into the rod outlet socket to operate the infrared rod ATTENTION Never plug other instruments in this socket The MicroDancer as well as the connected instrument can be damaged heavily 3 3 Vacuum pump cold trap connector DN25 14 The vacuum pump has to be connected at the DN25 connector 14 We recommend the use of a cold trap in front of the vacuum pump This has advantages for the evaporation process and also minimizes the environment pollution because harmful substances will be collected properly 17 3 4 Release gas connector 12 The release gas connector allows to connect an inert gas line to fill the vacuum chamber with inert gas for example nitrogen helium instead of air when the vacuum will be released This is recommended when solvent with a low flash point are used for example ether benzene etc Open the lid of the MicroDancer carefully to minimize turbulences which can be created by mixing air with the inert gas As nitrogen is more heavy than air the vacuum chamber is filled with a lake of inert gas So the samples are shielded from the ambient air ALWAYS use an adjustable p
12. dards Directives CE Normes Direttive Norme CEE 89 336EWG 92 31EWG 93 68EWG EN55011 EN55014 EN61000 4 2 EN61000 4 3 EN61000 4 4 EN61000 4 5 EN61000 4 6 EN61000 6 2 98 37EG EN292 1 EN292 2 Bach 09 Januar 2009 Ed di K It Peter Lutz Registrierungs Nummer 2009 by Hettich AG 26
13. ibutor or a service technician trained from Hettich AG Switzerland The annual maintenance service contains the following checks Cleaning of the instrument Check of the temperature sensor and exchange if applicable Check of the drive belt and exchange if applicable Calibration of revolution speed Temperature measurement upon request Qualification against surcharge Check of O rings and exchange if applicable Electrical operational test Country specific safety check according EN61010 Leakage test 0 System check upon request against surcharge Se PASO eeng Please ask you distributor for a service contract He will give advice and submit you an offer 6 2 Repair The MicroDancer was developed and designed for utmost reliability Nevertheless failures during operation can happen In this case disconnect your instrument immediately and contact Hettich AG Switzerland or your specialist dealer Tell him always the type of instrument the serial number and the kind of problem you have It is always helpful to know when the problem happens for example during switch on or during the operation Example Problem with MicroDancer serial number 400003 the shaker does not operate The fault happens during operation This helps the service technician to localize or even to solve the problem 21 7 1 7 0 Spare parts Articl No CD E201 CD E202 MD E203 MD E206 MD E210 MD E212 MD E214 MD E215 MD E216 IRD E2
14. o the sample vials Close the instrument lid Enter the set up temperature at the temperature controller see chapter 2 4 Press the release valve switch to close the release valve Switch on the shaker by pressing the shaker switch to start the shaker motor Now turn the rotary potentiometer to adjust the desired shaking speed Switch on the compartment heater by pressing the compartment heater switch if required for your application Switch on the heater switch to activate the infrared lamp if required for your application The MicroDancer now starts to heat up your samples Switch on your vacuum pump Example for Vacuubrand PC3003 VARIO pump Press the Mode key Turn the control dial until the display shows Automatic Press the control dial to select the function Turn the control dial until the display shows back Press the control dial to select the function The display now shows the pressure bar with the header Automatic Press the start stop key e The pump starts to operate 19 5 0 Cleaning As every laboratory instrument the MicroDancer also requires regular maintenance This chapter will give you useful hints for cleaning and maintenance of your MicroDancer Damages caused by improper cleaning and maintenance are not covered by the instrument warranty 5 1 Cleaning of the housing Clean the housing with a cloth which is gently wetted with water For stronger contamination use a
15. onnect the tube form the vacuum pump 2 10mm at the tube connector 25 The devices can now be turned on and off in any order The release valve opens automatically in case of a power failure Therefore the access to the samples is assured 13 2 0 Operating elements at the front side of the MicroDancer The operating elements of the MicroDancer allow the manual settings of all parameters required for the evaporation process and to switch on and off these actuators Therefore read the following explanations carefully The explanations and the numbers in chapters refer to picture A at page 8 2 1 Release valve switch 1 The release valve switch 1 closes the air inlet vent at the backside of the instrument before the start of the evaporation process Also it opens the air inlet vent at the end of the evaporation process It is a NO normally open needle valve which opens in current less state automatically It allows the inflow of atmospheric air or of inert gas depending on the application used The release valve should not be opened during the evaporation process because the rapid inflow of air can cause a loss of solvent or dissolved sample 2 2 Compartment heater switch 2 The compartment heater switch 2 allows to activate and deactivate the compartment heater of the vacuum chamber The compartment heater avoids the condensation of solvent vapour at the cold wall of the vacuum chamber The heating is controlled by a thermosta
16. r other foreign materials form the vacuum chamber Especially check the big boreholes which are used to place the feet of the shaking plate for any metallic of glassy particles They easily can damage the glass plate and leads to high cost of repair Now place the shaker plate with the rack in the vacuum chamber The rotary feet will be placed in the designed boreholes Now place the temperature sensor in the small borehole at the rack Please take care that the temperature sensor will not be clamped or bent Now you can close the cover Your MicroDancer can now be connected This is described in chapter 1 5 1 5 The MicroDancer Infrared Vortex Evaporator 1 5 1 Front view Picture A shows the front view of the MicroDancer HET OCH Picture A Front view of the MicroDancer 1 Release valve switch 6 Speed potentiometer 2 Compartment heater switch 7 Handle to open the lid 3 Heater switch for lamp 8 Viewing window 4 Temperature controller 9 Lid 5 Shaker switch Picture A shows the front view of the MicroDancer The Lid of the instrument 9 can be opened upwards with the handle 7 The front plate contains the control elements 1 to 6 The temperature controller 4 allows to adjust the temperature set point for the evaporation and to control the actual temperature A detailed description follows in chapter 2 4 The viewing window 8 allows to inspect the samples during the evaporation process 1 5 2 Back view Picture B show
17. ressure control valve 3 5 Lid fan ventilation slots 13 The fan which is located in the lid cools the infrared lamp and extends its lifetime considerably Therefore the MicroDancer requires a distance of at least 30cm to the wall or the next instrument to allow a proper cooling of the instrument A breakdown of the fan results in an overheating of the infrared lamp which heats the lid excessively and causes the early failure of the infrared rod Check the functionality of the fan daily You can listen the operating noise of the fan easily when the infrared rod is turned on and the lid is closed If the set up temperature should be below the actual temperature do not activate the infrared lamp The fan does not operate when the actual temperature is below the set up temperature The fan operates even if the lid is opened when the actual temperature is above the set up temperature 18 4 0 Working with the MicroDancer 4 1 Starting of an evaporation process The different operating elements have been discussed in chapter 2 and 3 This chapter will give a short introduction how to start an evaporation process Power on the vacuum pump and the cold trap Switch on the MicroDancer at the On Off switch at the backside left The temperature controller initialises Open the lid of the instrument Insert the rack with the test vials in the vacuum chamber Place the temperature sensor in the small borehole in the rack close t
18. rial of front plate Material of base plate cover holder Material of top lid side upper part Maximum loading of shaking plate total Maximum loading of shaking plate total Maximum length of test tube PoleStar Dimensions Width Depth Height Weight Power Source Power consumption Capacity Cooling temperature Material Chamber Cooling coil Gas inlet outlet Tope cover base plate Back cover Requires removal of front plate 24 448 mm 530 mm lid closed 609 mm lid opened 393 mm lid closed 700 mm lid opened 50 kg net without base plate 230VAC 50 60 Hz 100V 115VAC 50 60 Hz upon request 2x T5A L glass tube fuse 5x20mm 963 VA 500VA 400VA 50VA 10VA 3VA 3VA 40 1 000RPM 5 10 gear rotary potentiometer room temperature 20 C to 80 C 60 C 5 C 80 C with manually reset 80 C with automatically reset PT 100 with PTFE protective cover DN25 6mm tube connector synthetic Stainless steel V2A 300 mm 150 mm VO plastic UL listed Galvanized steel Aluminum powder coated 3000g shaking rate below 300rpm 1500g at maximum speed 120mm 520 mm 430 mm 530 mm without tubing ca 45 kg 230VAC 50 60 Hz 100V 115VAC 50 60 Hz upon request 660 VA 3 15A 3 3 Litre 45 C 5 C idling Aluminum FEP coated V4A stainless steel FEP coated PTFE connectors V4A steel V2A stainless steel Aluminum 8 1 Infrared spectrum The figure
19. rive No balancing of the samples is required An evaporating system consists of the MicroDancer the PoleStar cold trap and the Vacuubrand PC3003 VARIO pump which opens you a nearly unbounded flexibility So it is possible to program time dependent short and long term vacuum gradients which leads to an extremely verifiable and reproducible evaporation of solvents Due to its unbeatable price performance ratio the MicroDancer will amortize itself shortly Time saving and efficiency of the instrument will give you a real competitive advantage 1 2 Safety instructions The MicroDancer Infrared Vortex Evaporator is a state of the art reliable product however it may lead to hazards for the user or a third party if it is not used by trained personnel if used improperly or if the user does not observe instructions Operating instructions of the MicroDancer must be read and observed before the device is put into operation Besides operating instructions and regulations regarding prevention of accidents the universally recognized technical standards for safe working conditions have to be observed at all times In addition to the operating instructions the current national regulations concerning prevention of accidents and environmental care also have to be observed Only connect devices to a grounded electrical outlet using power cords corresponding to the instructions Never use damaged cables Damaged or insufficient grounding involves
20. s the back view of the MicroDancer The provided power cord must be plugged into the socket 10 Switch 11 allows to turn the MicroDancer on or off Ze Ze EI E 11 e H e ka 16 12 13 14 15 Picture B MicroDancer back view 10 Mains power in socket 14 Cold trap vacuum pump DN25 connector 11 On Off switch 15 Specification label 12 Inert gas hose adaptor 6mm ID 16 Lamp output socket 13 Ventilation slots A fan is placed behind the ventilation slots in the instrument lid 13 To aerate the vacuum chamber with inert gas a 6mm ID Teflon tube can be connected at the inlet gas hose adaptor 12 The cold trap respectively the vacuum pump will be connected at the DN25 connector 14 Inside centred and outside centred DN25 gaskets can be used comparably We recommend inside centred DN25 gaskets The specification label 15 shows serial number year of production supply voltage maximum power consumption of electricity of the instrument The cable of the infrared lamp assembly is connected to the mains in power socket 16 1 5 3 The vacuum chamber Lift the lid 9 of the MicroDancer at the black handle 7 to get access to the vacuum chamber 19 Picture C shows the open vacuum chamber 8 Te N frm i Picture C Vacuum chamber insight 16 500W infrared rod 19 Vacuum chamber 17 Temperature sensor PT 100 20 Sample rack 18 Borosilicate glass plate 21 Release gas inlet There are
21. t and has a temperature of 60 Celsius 5 C ATTENTION Do not touch the compartment heater wall burn hazard Therefore it is not allowed to activate the vacuum chamber heater for the evaporation of highly volatile solvents for example ether benzene or similar solvents because the high temperature can cause the combustion of the solvent Please check the material safety data sheet MSDS of the solvent and decide it he vacuum chamber heater is useful for your application 2 3 Heater switch for infrared rod 3 The heater switch 3 allows to activate and deactivate the infrared rod at the inside of the lid This heater compensates the temperature loss of the sample during the evaporation process The temperature can be adjusted at the temperature controller 4 This will be explained in chapter 2 4 14 2 4 Temperature Controller 4 The temperature controller 4 allows to adjust the set point temperature The following components act conjoined Controller Infrared rod in the lid Temperature sensor Heater switch activation or deactivation of the heater Adjustment of the set point temperature at the controller Switch on the MicroDancer at the power switch 11 at the backside of the instrument see picture B at page 9 Wait until the initialisation process is finished Ifthe instrument is already switched on continue with the next step Now press the button P at the temperature controller
22. three circular holes at the bottom of the vacuum chamber 19 to fix the rack mounted at the shaker plate 20 Clean these holes weekly to avoid unnecessary abrasion of the shaker plate The temperature sensor 17 allows to measure the temperature of the samples respectively of the rack The Hettich sample racks have a capable borehole to place the temperature sensor correctly Please note that the lid can not be opened manually even with high effort when there is a vacuum generated in the vacuum chamber The assembly of a sample rack is shown in chapter 1 6 10 1 6 Sample racks There are various sample racks that can be chosen to work with the MicroDancer All racks have the same shaker plate on which different stands for sample container can be mounted Picture D shows the universal rack with test tubes Sample racks are made of anodised aluminium and exist for almost all common sample containers The shaker plate can accommodate up to 2 deepwell or microtiter plates The correct functionality can be only guaranteed when original Hettich racks are used When using self made racks the warranty for the shaker plate and the drive mechanism of the MicroDancer will expire immediately Picture D Universal rack with test tubes Sample racks can be customised to fit your specific containers or container combination Picture E shows the shaker plate with rotary PTFE C feet Picture E Shaker plate with rotary PTFE C feet 11
23. value exceeds 3 0 to 3 5 The maximum value is 10 0 with a shaking speed of 1 000 rpm Please note that the display of the rotary potentiometer does not corresponds to the actual shaking speed for example the entry 9 0 does not comply with 900 rpm The shaker can be switched off without turning the rotary potentiometer So you can keep the desired shaking speed for you evaporation process 16 3 0 Operating elements at the back side of the MicroDancer At the back side of the MicroDancer the following elements are located Power socket 10 Ventilation slots 13 On Off switch 11 Cold trap vacuum pump connector 14 Inert gas hose adaptor 12 Lamp outlet socket 16 The numbers in the chapters refer to picture B at page 9 The MicroDancer requires a distance of at least 30 cm to the wall or the next device to allow a proper cooling of the instrument NEVER limit the functionality of the fan in any way 3 1 Power socket 10 and on off switch 11 Plug the country specific power cord into the power socket 19 ATTENTION Before activating the instrument check the local line voltage and compare it with the required voltage printed at the type plate 15 The feeder should be fused properly In case of doubts please contact your electrician our your local supplier of electric energy The On Off switch 11 is located horizontally above the power socket 10 In position O the instrument is deactivated In the swit
24. ximum vacuum of 0 6 mbar This is sufficient even to evaporate high boiling point solvents Rotary vane pumps which are however uncontrolled can also be used as stand alone units to generate vacuum 1 9 Installation of the MicroDancer To install the MicroDancer an additional vacuum pump is required and optionally a cold trap The following data refer to pictures B page 9 and F page 12 which shows the back of the different devices MicroDancer and PoleStar cold trap Please refer to the manual delivered with the pump for information about its connection 1 9 1 Connecting MicroDancer and PoleStar On the MicroDancer Evaporator Picture B e Place the MicroDancer on a horizontal surface e Plug the country specific power cord into the mains power inlet socket 10 e Connect if available the cold trap respectively the vacuum pump to the DN25 vacuum connector 14 e f required connect the inert gas nitrogen helium hose with integrated pressure reduction valve to connector 12 On the PoleStar cold trap Picture F Place the PoleStar cold trap under the table close to the MicroDancer e Plug the power cord into the mains power inlet socket 29 e Place one end of the power cord of the Vacuubrand PC 3003 3004 VARIO pump in the power outlet socket 30 and the other end in the mains power inlet socket of the vacuum pump see pump instruction manual e Connect the vacuum tube of the MicroDancer at DN25 connector 24 e C
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