DM1424 Hematocrit-Centrifuge Manual
Contents
1. AN WARNING O Improper power supply may damage centrifuge O Make sure the power source conforms to the required power supply before connecting 4 1 Location 1 Place this centrifuge on a firm flat and level surface ensure the four feet of this centrifuge stand on the counter firmly Avoid installing on a slippery surface or surface prone to vibration 2 Ideal ambient temperature is 20 C 5 C avoid placing the centrifuge in direct sunlight if temperature exceeds 30C 3 Keep clear of the centrifuge at least 10cm on both sides and at least 30cm behind it to guarantee the cooling efficiency 4 Keep away from heat or water to avoid sample temperature issues or centrifuge failures 4 2 Connection of the power cord and grounding AN WARNING O To avoid electrical shocks ensure your hands are dry when touching the power cord o This centrifuge must be grounded properly An minimum 10A outlet providing a sufficient ground is required and this must meet local safety requirements 5 Structure Seal ring of door Operation panel POWER switch Figure 5 1 Front view of the centrifuge View port j TA Y y Air vents A o EL ee a Se EEA See EGe EE TEO Tri Outlet_ A Y y AMON N Figure 5 2 Rear view of the centrifuge 6 Operation panel Speed display area Temperature display area Time display area 8 1 2 4 3 Fig2. Replace the fuse Error code appeared on the E 02 The door opened while Close the door time display screen Door fault running immediately Close the door and then Press the button start to operate with the door opened E03 The centrifuge cannot Use the correct rotor Rotor identify identify the rotor Replace rotor identify fault E 04 Temperature The air vents are blocked Radiator fan is damaged connection Clean air vents Replace radiator fan fault E 06 The setting value exceeds Modify the set value Set wrong the allowable range value E 10 86 Read the service manual Contact the service center Table 10 1 Possible problems and solutions O Alarm codes E 1 E 9 are related to incorrect operation programming You can continue running the centrifuge after implementing corrective procedures 14 10 2 How to open the door 10 2 1 In the case of power on N CAUTION The door just can be opened while the power is on and rotor stops rotating 1 Turn on the power switch release the door automatically 2 The door will be released automatically once the operation is finished 3 Itis available to release the door by press 7 button once the rotor stops 10 2 2 In the case of power outage The door cannot be opened automatically 1f there 1s a power outage It 1s available to be opened manually as follows 1 Ensure
3. O Rotate the program button O to set running time from 30 seconds to 99 minutes O When the time displays HD this is a continuous running mode 8 1 3 Start the operation 1 Press button to start running O The door must be locked before rotor starts spinning Oo The timer will start once the rotor starts spinning the screen displays the remaining run time 2 View and modify the operation programs e Operation programs can be modified after the centrifuge reaches the set speed SELEG O Pressing the select button returns the display to the program interface and displays setting SELEC programs Press the select button to the desired program When flashing rotate parameter button O to modify values Release the button after 5 seconds and the centrifuge will return to normal operation mode and run according to the new value O Ifthe set time value has been modified the operation time is not affected and will continue 10 3 Warning display O If an error occurs during the operation the centrifuge will brake to stop automatically and display the error code on the time display area The error code can be checked 1n the table 10 1 and corrective actions can be applied accordingly 8 1 4 End the operation 1 The centrifuge will brake when it reaches the set time or L7 button is pressed O When the rotor stops rotating the centrifuge will start beeping to alert the operation has finished 2 Open the door
4. O The door can be released automatically when the operation has stopped e With the door closed you are able to press the button to open it Oo After ending the operation the program will store the setting parameters of this operation and will recall these parameters when restarting the program 3 Open the door and take out the rotor and samples 8 2 RCF operation 1 Turn on the power switch 2 Seta RCF Relative Centrifugal Force value AN CAUTION Do not exceed the allowable maximum RCF value of the rotor and adapters SELEC O Press the select button and choose speed unit xg the speed symbol will flash into RCF value input status O If no button is pressed after the speed value has flashed after 5 seconds the input mode will be shut down er O vi increment otate program button to input a RCF value RCF increment is10xg 3 Set operating conditions The other operation please refer to the section 8 1 8 3 Pulse operation This function 1s used to remove the residual samples adhered to the interior of the tubes or for quick spins Note The button works only while the rotor stopped and the door is locked 1 Turn on the power switch and load the rotor to the shaft tighten the rotor lid and make sure it is in secured position and then close the door 2 The centrifuge goes into preparation mode and displays last ruming values 3 Press knob and hold the centrifuge will speed up to the s
5. 3 Notice 1 The centrifuge rotor can separate samples with a density lower than 2 0g ml If the samples density 1s over 2 0g ml please calculate allowable speed depending on the following formula Allow Speed rpm Maximum speedx 2 0 g ml Sample density g ml 2 To prevent corrosion remove the rotor from rotor chamber 1f not in use for a long term then detach the rotor lid and place upside down to dry the tube holes 3 If samples have leaked in the rotor holes wash the hole with water apply a thin coat of silicon grease on the rotor surface after drying 4 It is necessary for a regular rotor maintenance and should be cleaned every 3 months to keep the tube holes and shaft clean Apply a thin coat of silicon grease 17 11 2 Tubes 11 2 1 Cleaning and sterilizing tubes O Applicable X TE a tele la KONAS CC Alkaline higher than pH9 Cleaning fluids ae le a laj Neutral pH o o o Warmwater up to 700 Jo o o Ultrasonic cleaning Neutral detergent HD JO O o 115 C O Tkglom 30minutes O o jo Autoclaving 121 C LOKg enP 20 minutes x o O o jo o SUIULIJO E 15 to 30 minutes Ultraviolet sterilization 200 300nm x lg x Gas sterilization Ethylene oxide ox lo Formaldehyde o o PA Polyallomer PC Polycarbonate PP Polypropylene UONEZI LID S Table 11 2 Cleaning and sterilizing conditions for tubes 11 2 2 Cleaning PC tubes PC material is low in chemical resistance again
6. if the rotor has stopped rotating O Listen carefully to ensure no rotating sound can be heard 2 Insert a screw driver into a hole to open door Oo Holes are located on the left and right sides of the unit O Insert a screw driver into the two holes and push forward to release the door 10 3 Replacement of fuses 1 There are two fuses 250V 5A time delay type size D5x20 There are two fuses of D3024R 250V 10A time delay type size D5x20 2 The fuse holder is located in the power inlet Pull out the fuse holder from power inlet and replace the fuses 1f necessary 11 Instructions for the rotor and tubes AN CAUTION O Read the instructions thoroughly to properly load and use rotor Do not exceed the allowable maximum speed of rotor tube and adapters etc Ensure the allowable maximum speed of adapters is lower than the rotor s maximum speed 15 11 1 Rotor instructions 11 1 1 Rotor structure Lid Fastener Locking nut Shaft hole Figure 11 1 The rotor structure 11 1 2 Hematocrit rotor AC24 1 introduce Lid Reading lid Screw nut Capillaries Tight the screw nut the lid installation 16 11 1 3 Available rotors and adapters All the rotors are made of plastic they cannot be high pressure sterilization and UV irradiation only ordinary sterilization can be used Maximum Maximum speed rpm radius centrifugal Maximum RCF Ref xg Table 11 1 Rotors and adapters 11 1
7. rotor and ensure is in position Close the door and then start running o The method of removing the rotor is as same as the above mentioned by turning the locking nut counterclockwise 8 1 2 Set the operation programs SELEC Press the button to select required program The parameter can be modified when the program is flashing Rotate the program button clockwise O to increase parameter value Rotate the program button clockwise O to decrease parameter value Rotate the program button O faster and the parameter value will increase faster The minimum speed increment is 10 rpm the minimum time increment 1s 1 second 1 Set the speed BELEC O Press the select button until the speed rpm is displayed When the speed button 1s selected the speed symbol will flash the speed value The minimum speed value you can set 200rpm the minimum increment is 10rpm O Rotate program button clockwise O to increase speed value Rotate the program button anti clockwise O to decrease speed value You can speed up set the speed value by rotating program button O quickly There is a circulating function to increase decrease the speed values Rotate the program button clockwise O to change settings from small large maximum minimum Rotate the program button anti clockwise O to change settings from large small minimum maximum 2 Set the time SELEC O Press select button time value flashes in the time setting mode
8. Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this 3 equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense 3 Required Operational Conditions 3 1 Basic operational conditions 1 Power Single phase 220V 240V 50Hz 60Hz SA 110V 120V 50Hz 60Hz SA 2 Ambient temperature 2 C 40 C 3 Relative humidity lt 80 4 No vibration and airflow around 5 No electric dust explosive and corrosive gases around 3 2 Transport and storage conditions 1 Storage temperature 40 C 55 C 2 Relative humidity lt 93 4 Installation This section describes the instructions that you should abide when install the centrifuge to ensure your safety and the optimum performance Before moving the centrifuge the rotor must be removed
9. NEN 14 IA o odo AAA A a A KON ako A 15 10 gt Replacement oL USOS usone ot o o ok akto A a o o 15 E JastuclOns TOF the COOL DE od 15 lz ROOF AMS UIC TONS caret agas o ss AA AA AAA AAA A A ATA 16 a A A A 18 AE AA ate tarsi toe ant tues a nal oaths e eon e one Molaacnse Suntioelaneaslnak toate best aasies 19 13 Ordeno INONMANON ieee che Soh iusto A Au la A abla e ol a 19 As Warran PETITE TETTE TETTE TETEEI ETT sia 20 AVINO MAA ko nu ko om uko mm ko om e kos Ior ako kokino 20 142 Warranty Or STO Ode e a decent 20 A TEISSA eS Y A a a o a o ates a uma e Seta ae cee E A O 20 Copyright No part of this manual may be reproduced or transmitted without prior written permission of Scilogex We can not be responsible to inform at real time 1f the outline and specifications of centrifuge are subject to change for improvement VERSION201204 Safety Reminder Common safety precautions Carefully read the following safety precautions for a thorough understanding Follow the instructions and procedures described in this manual to operate this centrifuge safely O Carefully read all safety messages in this manual and the safety instructions on the centrifuge Oo Safety messages are labeled as indicated below They are in combination with signal words of WARNING and CAUTION with the safety alert symbol to call your attention to items or operations that could be dangerous to you or other persons using this centrifuge The definiti
10. Please pay attention do not use the rotor once it has been corrosion or fatigue damage The warranties of the centrifuge and the rotor become invalid in the case of the following conditions even if within the guarantee period expires 1 2 3 4 5 6 7 Failures caused by incorrect installation Failures caused by rough or improper handling Failures caused by conveyance or relocation after installation Failures caused by unauthorized disassembly or modification Failures caused by using non standard spare parts or accessories and unauthorized modification of the rotor or centrifuge Failures caused by natural disasters including fire earthquakes and so on Consumables and parts have a limited guarantee period After sales service In order to ensure to operate centrifuge safely and efficiently it is necessary for regular maintenance If centrifuge has problems do not attempt to repair it by yourself Contact our sales or service center 20 SCILOGEX LLC 500 Four Rod Road Suite 122 Berlin CT 06037 USA Tel 1 860 828 5614 Fax 1 860 828 5389 E mail info scilogex com Http www scilogex com
11. USER MANUAL DM1424 Hematocrit Centrifuge SCILOGEX LLC www scilogex com Before using centrifuge please carefully read this user manual for efficient operation and safety Contents Sa AA II E I l API A a a oj 3 2 Declaration Of Conformity da 3 3 Required Operational GC ONCINONS siumo mn due uJ ko E E l ORO OO 4 3 Basic operationa COM MLOINS zu serena onen Kr ENN a NERVO SE ERORE ROOVER UO E eka eG 4 3 2 Transpor and storase CONG LOIS sa o ok 4 a rim UIN LO E o O ec ek O TTT TE 4 A eters alee ens ee stele ole ters i lec ects a A TETTE IDM 4 4 2 Connection of the power cord and grounding eeeeee esee ee eeeeeeee nono nono nono nono nono non nn nn nn nn nro nano 5 oko ulen E H o JWienepee sm p TT TTTRR TITT 7 5 6 Operation Panda dis 6 Al reer ecie ly eee ack teeta eee teeta Oe eee B ate Roe eeeatlatme di mobited dated toeieeaatatmraest 7 Wl Prepare tio Samples TE eaten dad ahaa a a a Saat dead aahD ccd engentd scarce dedeieas 7 T2 nect Me AMP les MO ino T KEEP the TUDES DAA A A AA A INN 7 A SA E E EE E T EN 7 7 5 Symmetrically load centrifuge tubes Into rotot occcccccncnnnnnnnnnnnnnnnnnnnnnnnononononnnnnnnnnnnnnnnnnnnnnnnnnonenoss 8 NOA a a aa as a O a kata 8 Sl Normal OP AI da 8 SD A A 11 AN AA nn A ee 12 Ou Ma Mena NCE ai A Saa 12 A OE o SE OJ 12 A A Se a o eo A ke S o 13 A cect e a a 13 E A A Mla luso etude I A o a a a 14 10 1 Possible problems and SOIMUOMNS seo A A A AA NN I
12. aminated by solutions with toxic radioactive or pathogenic materials clean 1t according to the decontamination procedure as specified O If you require service at site please sterilize and decontaminate the centrifuge in advance and then notify the service center the details of the materials and procedure O To avoid electrical shocks insure hands are dry before handling the power cord or turning on off the power switch O For safety purposes do not enter within 30cm around this centrifuge when it is in operation O While the rotor is rotating never release the door lock O Unauthorized repairs disassembly or modifying the centrifuge except by our service center are strictly prohibited A CAUTION This centrifuge must be located on a firm and level table Make sure the centrifuge is horizontal before running Make sure the angle between the door and cover is greater than 70 degrees when opening the door Be careful not put your fingers or hands between the door and cover while the door is open Do not move or relocate the centrifuge when it is running If fluid spills in the rotor chamber please promptly clean and dry with a dry cloth to avoid sample contamination Ensure to remove any objects and fragments of the tubes dropped inside the rotor chamber before running the centrifuge Cautions with rotor 1 Always check for corrosion and damage on the rotor surface before using it Do not use the rotor if an abnormality is fo
13. ber If not in use for a long term then detach the rotor lid and turn upside down to dry the tube holes and keep clean O For sample leaks in the rotor rinse the rotor with water Apply a thin coat of silicon grease to the rotor when it is completely dry Oo The rotor should be checked every 3 months to ensure the tube and rotor holes keep are clean and apply a thin coat of silicon grease 9 2 Consumables Replaceable wearing parts listed below It is recommended to replace these according this table Replacement parts Replacement conditions Seal ring of door Cracked Rubber housing of temperature sensor 9 3 Routine inspection 1 Check that the centrifuge is on a firm flat and level surface ensure the four feet are seated on the surface firmly 2 Check that the centrifuge is grounded properly Use a multimeter to check if there is a short circuit between the power cord grounding pin and the motor shaft If an open circuit is found check for reasons and troubleshoot before use 13 10 Troubleshooting 10 1 Possible problems and solutions This centrifuge has a self diagnostic function If a problem occurs an error warning code will be displayed on the time display screen and the operator can determine the malfunction with the alarm code below Facility circuit Correct and turn on the Nothing appears on the screen when the power breaker tripped power is turned on power The fuse has blown
14. diagnostics the centrifuge will display the accumulative running time see figure 8 2 below Ku 00312 50 45 Figure 8 2 Accumulative running time interface Figure 8 2 indicates the centrifuge has accumulated running time 312 hours 56 minutes and 45 seconds and then the centrifuge displays the last running parameters see figure 8 3 below SP g 14000 25 12an Figure 8 3 Last running interface e Speed 14000rpm running time 12minutes centrifugal chamber temperature 25 C O Release the door 8 1 1 Load and replace the rotor Load the rotor to the shaft Locking nut Load the rotor lid Figure 8 4 Load the rotor AN CAUTION O Attach the rotor to the rotor shaft Ensure the rotor is in position and connected with the shaft tightening the locking nut to secure the rotor with shaft to prevent the rotor damaging the centrifuge Ensure the rotor lid is firmly tightened to the rotor O Load the rotor to the shaft to ensure rotor is in position until it connected with the shaft You should feel a click when the rotor is properly loaded on the shaft If not there may be something stuck between the rotor and the shaft Double check and clean it 1f necessary Rotate the rotor slightly with your fingers to check 1f the rotor vibrates 1f so attach the rotor again Rotate the nut clockwise using the wrench to tighten the rotor to the shaft firmly Close the rotor lid firmly tighten clockwise the lid to the
15. etting speed While releasing the ZZ knob during acceleration the centrifuge will start to decelerate and stop 9 Maintenance 9 1 Cleaning AN CAUTION O If do not follow the recommended instructions for cleaning or disinfecting this may damage the centrifuge 1 Centrifuge Oo Ifthe centrifuge is exposed to ultraviolet rays for a long time the color of the door may be changed or the label may be peel off After using cover the centrifuge with a piece of cloth to protect 1t from direct exposure O If the centrifuge needs cleaning clean it with a cloth or sponge moistened with a neutral detergent solution Oo Sterilize the centrifuge by wiping with a cloth moistened with 70 ethanol solution 2 Rotor chamber N CAUTION Do not directly pour water neutral detergent or disinfectant solution into the rotor chamber otherwise fluids may leak into the drive units and cause corrosion or deterioration to the bearings O If the rotor needs cleaning clean with cloth or sponge moistened with a neutral detergent solution Sterilize the centrifuge by wiping with a cloth moistened with 70 ethanol solution 12 3 Drive shaft O We recommend regular maintenance for drive shaft You can wipe the drive shaft with soft cloth and then apply a thin coat of silicon grease 4 Door O Clean and sterilize the door using the same method as the section 1 above 5 Rotor O To prevent corrosion remove the rotor from rotor cham
16. gh the centrifuge can accept sample balancing by eye we recommend that you keep this centrifuge in a well balanced condition to extend its life expectancy O Never intentionally run the centrifuge under an unbalanced condition even though the allowable imbalance is not exceeded 7 4 Inspect the rotor Check the rotor for corrosion or scratches before using CAUTION If any abnormality such as corrosion or scratches are found stop using the rotor and contact our service center Only manufacturer s rotors must be used with the unit 7 5 Symmetrically load centrifuge tubes into rotor AN CAUTION e Make sure the rotor lid 1s securely fixed on the rotor as well as the rotor and shaft are tightened Otherwise the rotor may be moved off while rotating and cause damage to the centrifuge and rotor Firmly tighten the rotor lid to the rotor 8 Operation AN CAUTION Do not push or lean against the centrifuge while 1t is running Do not run the centrifuge when fragments or sample solutions are left in the centrifuge chamber Always keep the centrifugal chamber clean If the centrifuge makes strange noise during operation stop 1t immediately and contact our service center Notify them of the warning code 1f displayed 8 1 Normal operation Turn on the power switch centrifuge will start self diagnostic checks see figure 8 1 below SP j HELLO Ee 88 min Figure 8 1 Self checking interface After self
17. ions such as cleaning and sterilization lifetime can be cut down Notice Do not use damaged or cracked tubes 12 Calculate RCF An RCF can be determined with the following calculation formula RCF 1 118xrxn x107 r rotating radius unit cm n rotating speed unit rpm 13 Ordering information Hematocrit Centrifuge with AC24P rotor kits US plug 912025539999 DM1424 110 120V 50Hz 60Hz Hematocrit Centrifuge with AC24P rotor kits Cn plug 912125529999 DM1424 220 240V 50Hz 60Hz Hematocrit Centrifuge with AC24P rotor kits Euro plug 912225529999 DM1424 220 240V 50Hz 60Hz Hematocrit Centrifuge with AC24P rotor kits UK plug 912325529999 DM1424 220 240V 50Hz 60Hz Accessories Hematocrit rotor kits with a lid and a reading disk 12000rpm 19400015 AC24P 24 x capillary tubes used with DM1424 Plastic rotor kits with lid fixing clips and O ring 14000rpm 2ml1 1 5m1 24 used with DM1424 2ml to 0 2ml rotor adapter used with A12 2 A12 2P AS24 2 19500001 A02P2 and A24 2P rotors 24pcs pk 2ml to 0 5ml rotor adapter used with A12 2 A12 2P 19500002 AO5P2 AS24 2 and A24 2P rotors 24pcs pk 19 19400013 A24 2P 14 Warranty 14 1 Warranty of centrifuge This centrifuge 1s guaranteed for two years from the date of delivery provided that it has been operated and maintained properly 14 2 Warranty of the rotor The rotor 1s guaranteed for 5 years from the date of delivery upon manufacturer
18. ons of signal words are as follows A WARNING Personal Danger Warning notes indicate any condition or practice which 1f not strictly observed could result in personal Injury or possible death A CAUTION Possible damage to centrifuge Caution notes indicate any condition or practice which 1f not strictly observed or remedied could result in damage or destruction of the centrifuge NOTE Notes indicate an area or subject of special merit emphasizing either the product s capability or common errors in operation or maintenance Oo Do not operate the centrifuge in any manner not described in this User Manual When in doubt or have any troubles with this centrifuge ASK FOR HELP The precautions described in this User Manual are carefully developed in an attempt to cover all the possible risks However 1t is also important that you are alert for unexpected incidents Be careful operating this centrifuge A WARNING o This centrifuge is not explosion proof Never use explosive or flammable samples Oo Do not install the centrifuge in or near places where inflammable gases are generated or chemicals are stored eo Do not place dangerous materials within 30cm of the centrifuge Prepare all necessary safety measures before using samples that are toxic radioactive or contaminated with pathogenic micro organisms Use of these 1s at your own responsibility o If the centrifuge rotor and accessories that have been cont
19. st alkaline solutions Avoid using neutral detergents with pH higher than 9 Note that pH of some neutral detergents are still higher than 9 even 1f diluted according to the manufacturer s instructions Use detergent with its pH between 7 and 9 11 2 3 Autoclaving PA PC and PP tubes PA begins softening at about 120 C PC and PP at about 130 C Autoclave PA tubes at 115 C 0 7kg cm for 30 minutes PC and PP tubes at 121 C 0 1kg cm for 20 minutes If a certain temperature is exceeded the tubes may be deformed When use a sterilizing chamber please operate as follows 1 Place tubes in vertical position mouths upward If tubes are placed sideways they may deform into an oval shape due to gravity 2 Remove locking nut and lid to prevent from deformation or rupture 3 Wait until the sterilizing chamber cools down to the room temperature before removing tubes 18 11 2 4 Conditions and life expectancy of tubes The life expectancy of plastic tubes depends on the characteristics of samples speed of the rotor used temperature applied and so on When the plastic tubes are used for ordinary aqueous samples pH between 5 0 and 9 0 their life expectancies are defined as follows Be operated at the maximum speed High quality tubes PA PC PP 30 50 operations Ordinary tubes PA PC PP around 10 operations Using in low speed can extend the tube life Life expectancy of tubes also depends on the pretreatment condit
20. und 2 Do not set the speed beyond the allowable minimum speed of the rotor kits rotor and adapters Make sure to run it below the allowable maximum speed 3 Do not exceed the allowable imbalance 4 Use the rotor and tubes within their actual capacities 5 If the rotor is attached with a lid ensure it is tightened before operation O If any abnormal condition occurs during operation please stop it immediately and contact our service center Notify the service center is a warning code if displayed O Vibrations are likely to damage the centrifuge contact our service center if abnormality observed 1 Specifications Maximum capacity 2m1x24 0 5mlx36 4 PCR8 serial tubes AC24P 30seconds 99minutes HOLD continuous operation Dual door interlock Over speed detector Over temperature detector Automatic Safety devices internal diagnosis Power Single phase 220V 240V 50Hz 60Hz 5A requirements 110V 120V 50Hz 60Hz 5A CL 280x W 364x H 266 ke Additional features Speed RCF switch Pulse operation Processing display Voice reminder 2 Declaration of Conformity Construction in accordance with the following safety standards EN 61010 1 EN 61010 2 10 Construction in accordance with the following EMC standards EN 61326 1 FCC Part 15 Subpart B IECS 001 Associated EU guidelines EMC guidelines 2004 108 EC Centrifuge guidelines 2006 95 EC This ISM device complies with Canadian ICES 001
21. ure 6 1 Operation panel l rum When the door closed press and hold the button to accelerate speed AZE Pulse button release the button to stop it 2 e Open lock Press the button to open the door The button is not available when the button centrifuge is running 3 Qe Select button Press the button to choose the program which you want to modify Start Stop Press the button to start running The centrifuge will brake and stop button running if pressed during centrifugation Clockwise rotate to increase program values Rotate anti clockwise to Program 5 decrease program values button Press the button shift between speed and RCF display 4 14000 mm 25 12m Figure 6 2 The main interface Main interface is as figure 6 2 The speed is set to be 14000rpm temperature of centrifugal chamber is 25 C and the running time is 12 minutes When speed symbol is rotating this indicates the centrifuge is running If the rotation is faster the speed is higher Temperature of chamber is displayed and cannot be controlled Time symbol displays the ratio of working to time setting The total time setting is divided into 10 sections 7 Rotor Preparation 7 1 Prepare the samples 7 2 Inject the samples into tubes AN CAUTION Oo Do not overload samples into the centrifuge which will cause leaking O Do not exceed the actual capacity allowed in the user manual 7 3 Keep the tubes balanced o Althou
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