Sigma 3-18KS Operating Manual
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Sigma 3-18KS Operating Manual

Refrigerated centrifuge
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Original operating manual
sb
08/2012
Rev. 1.26 of 24/10/2023
Sigma 3-18KS; ;
part no. 0701102
Sigma 3-18KS
from serial no. 146139
Refrigerated Centrifuge
Operating Manual
Please retain for later use!

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  • Page 1 Original operating manual 08/2012 Rev. 1.26 of 24/10/2023 Sigma 3-18KS; ; part no. 0701102 Sigma 3-18KS from serial no. 146139 Refrigerated Centrifuge Operating Manual Please retain for later use!
  • Page 2 Refrigerated Centrifuge Sigma 3-18KS Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 2 / 95 Original operating manual, part no. 0701102...
  • Page 3 Refrigerated Centrifuge Sigma 3-18KS © Copyright by Sigma Laborzentrifugen GmbH An der Unteren Söse 50 37520 Osterode am Harz Germany Tel.: +49 (0) 5522 / 5007-0 Fax: +49 (0) 5522 / 5007-12 Web: www.sigma-zentrifugen.de E-mail: info@sigma-zentrifugen.de Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 3 / 95 Original operating manual, part no.
  • Page 4 Refrigerated Centrifuge Sigma 3-18KS Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 4 / 95 Original operating manual, part no. 0701102...

  • Page 5: Table Of Contents

    3.6.7.1 Marking of rotors and accessories ..............23 3.6.7.2 Service life of rotors and accessories ..............23 3.6.7.3 Service life of the Sigma "Comfort" rotor coating ..........24 Safety devices ........................ 26 3.7.1 Lid lock device ......................26 3.7.2 Standstill monitoring system ..................26 3.7.3...
  • Page 6 Refrigerated Centrifuge Sigma 3-18KS Table of contents Storage and transport ....................... 28 Dimensions and weight ....................28 Storage conditions ......................28 Notes on transport ......................28 Packaging ........................29 Transport safety device ....................29 Set-up and connection ...................... 30 Installation site ........................ 30 Power supply ........................
  • Page 7 Refrigerated Centrifuge Sigma 3-18KS Table of contents Malfunctions and error correction ..................60 General malfunctions ...................... 60 7.1.1 Emergency lid release ....................61 Table of error codes ......................62 Service contact ....................... 63 Maintenance and service ....................64 Maintenance ........................64 8.1.1...
  • Page 8 Refrigerated Centrifuge Sigma 3-18KS Table of contents Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 8 / 95 Original operating manual, part no. 0701102...

  • Page 9: General Information

    They are solely intended for this purpose. Any other use beyond this area of application is regarded as improper use. Sigma Laborzentrifugen GmbH cannot be held liable for any damage resulting from such improper use.

  • Page 10: Copyright

    Refrigerated Centrifuge Sigma 3-18KS 1 General information → Copyright The copyright concerning the operating manual remains with Sigma Laborzentrifugen GmbH. The operating manual is solely intended for the operator and their personnel. It includes instructions and information that must not be •...

  • Page 11: Layout And Mode Of Operation

    Refrigerated Centrifuge Sigma 3-18KS 2 Layout and mode of operation → Layout and mode of operation → Layout of the centrifuge 2.1.1 Functional and operating elements User interface (see chapter 6.3.1 - "User interface") Mains switch Fig. 1: Total view of the centrifuge Name plate (see chapter 2.1.2 -...

  • Page 12: Name Plate

    Refrigerated Centrifuge Sigma 3-18KS 2 Layout and mode of operation 2.1.2 Name plate Manufacturer Power consumption Max. speed Max. kinetic energy Serial number Part number Type Nominal voltage CE mark in compliance with the directive 2006/42/EC 10 Symbol for special disposal (see chapter 9 - "Disposal")

  • Page 13: Mode Of Operation

    Refrigerated Centrifuge Sigma 3-18KS 2 Layout and mode of operation → Mode of operation → 2.2.1 Centrifugation principle Centrifugation is a process for the separation of heterogeneous mixtures of substances (suspensions, emulsions, or gas mixtures) into their components. The mixture of substances, which rotates on a circular path, is subject to centripetal acceleration that is several times greater than the gravitational acceleration.

  • Page 14: Speed, Radius, And Relative Centrifugal Force

    Refrigerated Centrifuge Sigma 3-18KS 2 Layout and mode of operation → 2.2.2.1 Speed, radius, and relative centrifugal force The acceleration g, which the samples are subject to, can be increased by increasing the radius in the rotor chamber and by increasing the speed.

  • Page 15: Safety

    Refrigerated Centrifuge Sigma 3-18KS 3 Safety → Safety → Marking of the unit The following symbols are used on this centrifuge: Arrow indicating the direction of On (Power) rotation Rotor loading information Off (Power) (see chapter 6.2.2.3 - "Installation of accessories") Name plate (see chapter 2.1.2 -...

  • Page 16: Explanation Of The Symbols And Notes

    Refrigerated Centrifuge Sigma 3-18KS 3 Safety → Explanation of the symbols and notes In this operating manual, the following names and symbols to indicate hazards are used: This symbol stands for a direct hazard to the life and health of persons.

  • Page 17: Responsibility Of The Operator

    Refrigerated Centrifuge Sigma 3-18KS 3 Safety → Responsibility of the operator The operator is responsible for authorising only qualified personnel to work on the centrifuge (see chapter 3.4 - "Requirements concerning the personnel"). The areas of responsibility of the personnel concerning the operation, maintenance, and care of the unit must be clearly defined.

  • Page 18: Requirements Concerning The Personnel

    Refrigerated Centrifuge Sigma 3-18KS 3 Safety → Requirements concerning the personnel Risk of injury if the personnel are not sufficiently qualified If unqualified personnel perform work on the centrifuge or are present in the danger zone of the centrifuge, hazards result that can cause serious injuries and considerable damage to property.

  • Page 19: Informal Safety Instructions

    Refrigerated Centrifuge Sigma 3-18KS 3 Safety → Informal safety instructions • This operating manual is a part of the product. • The operating manual must be kept at the location of use of the centrifuge. Ensure that it is accessible at all times.

  • Page 20: Safety Instructions

    Refrigerated Centrifuge Sigma 3-18KS 3 Safety → Safety instructions 3.6.1 Electrical safety As protection against electric shock, the centrifuge is equipped with an earthed mains power cable and connector. To ensure the effectiveness of this safety feature, the following must be ensured: •...

  • Page 21: Fire Prevention

    Refrigerated Centrifuge Sigma 3-18KS 3 Safety • Do not spin any substances that could damage the material of the rotors and buckets of the centrifuge in any way. Highly corrosive substances, for example, damage the material and affect the mechanical strength of the rotors and buckets.

  • Page 22: Safety Instructions For Centrifugation

    Refrigerated Centrifuge Sigma 3-18KS 3 Safety → 3.6.5 Safety instructions for centrifugation For safe operation, observe the following before starting the centrifuge: • Ensure that the centrifuge was set up properly (see chapter 5 - "Set-up and connection"). • Keep a safety range of at least 30 cm free around the centrifuge as well as with regard to walls and other devices.

  • Page 23: Safety Of Rotors And Accessories

    Marking of the service life of rotors and accessories see chapter 3.6.7.2 - "Service life of rotors and accessories" Marking of rotors with Sigma "Comfort" rotor coating see chapter 3.6.7.3 - "Service life of the Sigma "Comfort" rotor coating" 3.6.7.2 Service life of rotors and accessories The rotors and accessories have a limited service life.

  • Page 24: Service Life Of The Sigma "Comfort" Rotor Coating

    A portfolio of the available rotors with "Comfort" rotor coating and information on the service life of the coating can be found in the document "Sigma Comfort rotor coating", which is provided with every rotor with "Comfort" rotor coating. NOTE...
  • Page 25 Refrigerated Centrifuge Sigma 3-18KS 3 Safety Traces of use on the black coating do not affect the anti-friction properties (see the following illustration). NOTE Fig. 6: Load-bearing bolt with traces of use – no greasing required End of the service life of the "Comfort" rotor coating...

  • Page 26: Safety Devices

    3.7.4 Earth conductor check An earth conductor check can be carried out by authorised and specialised personnel using a suitable measuring instrument. Please contact the Sigma service department (see chapter 7.3 - "Service contact"). → 3.7.5 Imbalance monitoring system A dialog box may pop up or emit a sound signal in order to indicate that the centrifuge is in the inadmissible imbalance range.

  • Page 27: Measures In The Event Of Hazards And Accidents

    Refrigerated Centrifuge Sigma 3-18KS 3 Safety → Measures in the event of hazards and accidents • If an emergency arises, switch off the centrifuge immediately! • If in doubt, call the emergency doctor! DANGER → Remaining hazards The centrifuge was built in accordance with the state of the art and in compliance with the generally recognized safety rules.

  • Page 28: Storage And Transport

    Refrigerated Centrifuge Sigma 3-18KS 4 Storage and transport → Storage and transport → Dimensions and weight Sigma 3-18KS Height: 355 mm Height with open lid: 795 mm Width: 630 mm Depth: 600 mm Weight: 78 kg → Storage conditions The centrifuge can be stored in its original packaging for up to a year.

  • Page 29: Packaging

    Refrigerated Centrifuge Sigma 3-18KS 4 Storage and transport Packaging The centrifuge is packaged in a wooden crate. • After taking off the lid, remove the side panels. • Remove the packaging material. • Lift the centrifuge upwards with a lifting device to lift it safely. When lifting the centrifuge, always reach under the centrifuge from the side.

  • Page 30: Set-Up And Connection

    CAUTION Sigma centrifuges are units of protection class I. The centrifuges of this model series have a three-wire power cord with an IEC C13 connector. The removable power cord must not be longer than 3 m!

  • Page 31: Customer-Provided Fuses

    Refrigerated Centrifuge Sigma 3-18KS 5 Set-up and connection The centrifuges are equipped with a mains power switch with an integrated thermal circuit breaker. • Switch the unit off by actuating the mains power switch. • If it has tripped, let the circuit breaker cool for approximately 2 minutes.

  • Page 32: Using The Centrifuge

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → Using the centrifuge → Initial start-up • Before the initial start-up, please ensure that your centrifuge is properly set up and installed (see chapter 5 - "Set-up and connection"). DANGER →...

  • Page 33: Installation Of Rotors And Accessories

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.2.2 Installation of rotors and accessories → 6.2.2.1 Installation of a rotor • Open the centrifuge lid by pressing the lid key. • Unscrew the rotor tie-down screw from the motor shaft (counter- clockwise).

  • Page 34: Installation Of An Angle Rotor With A Hermetic Lid

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.2.2.2 Installation of an angle rotor with a hermetic lid • Open the centrifuge lid by pressing the lid key. • Unscrew the rotor tie-down screw from the motor shaft (counter- clockwise).

  • Page 35: Installation Of Accessories

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge 6.2.2.3 Installation of accessories • Only use vessels that are suitable for the rotor. • In the case of swing-out rotors, all of the compartments must be equipped with buckets. • Always load opposite compartments of the rotors with the same accessories and fill to avoid imbalance.

  • Page 36: Adapters

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Pay attention to the marking of the centrifuge (see the illustration below)! Safety indications on the centrifuge must be kept readable at all times. If necessary, they must be replaced. NOTE Fig. 12: Safety indication on the centrifuge: Loading of a swing-out rotor →...

  • Page 37: Control System "Spincontrol S

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → Control system "Spincontrol S" → 6.3.1 User interface The centrifuge is operated via three buttons with integrated light-emitting diodes and one function knob. The display is divided into several different fields. The various functions of the system can be called up by pressing and turning the function knob.

  • Page 38: Manual Mode

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.3.2 Manual mode → 6.3.2.1 Starting a centrifugation run The centrifuge is ready for operation when the start key is illuminated. • Press the start key in order to start a centrifugation run.

  • Page 39: Standard Menu

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.3.2.5 Standard menu The "Standard" menu is symbolised by the icon " " on the menu bar and it is displayed a few seconds after the centrifuge has been switched on. In this menu, the parameters of a centrifugation run can be displayed and modified.
  • Page 40 Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Runtime The set runtime is displayed in the upper section of this field, with the remaining runtime shown below. The runtime is defined as the period from the start of the centrifuge to the beginning of the deceleration phase. The maximum value is 99 h 59 min 59 sec.
  • Page 41 Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Rotor: rotor selection list This field shows the rotor that is currently being used. • Select the field "Rotor" and confirm the selection. A list with all of the possible rotors without buckets is displayed.
  • Page 42 Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Acceleration This function is used to select an acceleration curve. One can select a linear rise (curves 0-9) or a quadratic rise (curves 10-19). The acceleration curves 20-29 can be programmed as desired (see chapter 11.3 - "Acceleration and deceleration curves").
  • Page 43 Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Fig. 18: Program "RAPID_TEMP" The program will only be loaded if the actual temperature is above the set temperature. NOTE • Press the start button in order to start the rapid cooling run.
  • Page 44 Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge If the "RAPID_TEMP" program is used, the temperature of the unloaded aluminium bucket will be displayed. If samples, which have not been precooled, are placed into the buckets, the displayed temperature will deviate from the actual sample temperature.

  • Page 45: Process Library Menu

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge 6.3.2.6 Process library menu The process library can be opened via the " " symbol on the menu bar. It provides the user with an overview of all of the stored programs as processes.

  • Page 46: Parameters Menu

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.3.2.7 Parameters menu The "Parameters" menu is symbolised by the " " symbol on the menu bar. It is used to specify various conditions for the centrifugation. These conditions are used to monitor the process and to control access to the centrifuge.
  • Page 47 Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Density This setting is useful for glass vessels. If the density of the liquid to be centrifuged is higher than 1.2 g/cm , the value must be adapted manually in order to prevent the glass vessel from breaking. This will reduce the maximum possible final speed (see chapter 2.2.2.2 - "Density").
  • Page 48 Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Temperature monitoring The control system includes a temperature monitoring function. If the actual temperature difference with regard to the set value deviates from the set temperature difference, the centrifuge will stop and an error message will be issued.
  • Page 49 Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Lock In order to prevent any unauthorised use of the centrifuge, the following functions can be blocked: • Saving of programs (level 01) • Changing of parameters, short run (level 02) •...

  • Page 50: Setup Menu

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.3.2.8 Setup menu The "Setup" menu is symbolised by the " " symbol on the menu bar. It is used to perform basic settings concerning the control system of the centrifuge. It enables the optimum adaptation of the centrifuge to its specific area of application.
  • Page 51 Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Start delay If the start delay function is active, the centrifuge will not start until the preset time has elapsed. The symbol "" will be displayed in the runtime field. Display deceleration time In the activated mode, the deceleration time will be displayed instead of the runtime during and after the deceleration process.
  • Page 52 Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge System Cycles This field shows the number of cycles as well as the runtime of the rotor and buckets that are used. Info This item provides information on the software versions that are used in this centrifuge.

  • Page 53: Curve Menu

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.3.2.9 Curve menu This menu is used to create and edit customised acceleration and deceleration curves (see chapter 11.3 - "Acceleration and deceleration curves"). It is symbolised by the " " symbol on the menu bar.

  • Page 54: 6.3.2.10 Help Menu

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Restrictions • Acceleration and deceleration curves can include intervals with a positive slope as well as intervals with a negative slope and also intervals with 0 slope. • The slope of the curve intervals can be 1 min...

  • Page 55: 6.3.2.11 Changing The Contrast

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.3.2.11 Changing the contrast To change the contrast: • Press and hold the stop button and turn the function knob one notch to the left. A dialog box will be displayed once the stop button is released.

  • Page 56: Saving A Program

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.3.3.1 Saving a program • Enter the parameters that are to be included in the program. • Select the option "Progr" in the "Standard" menu and confirm the selection. The program list will be displayed.

  • Page 57: Executing A Program

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge Fig. 29: Loading a program → 6.3.3.3 Executing a program • Select the option "Progr" from the "Standard" menu and confirm the selection by pressing the function knob. The program list will be displayed.

  • Page 58: Automatic Program Rotation

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.3.3.5 Automatic program rotation With the automatic program rotation, several programs can be executed directly one after the other. • Activate the "Program rotation" function in the "Setup" menu Fig. 31: Program rotation function When a program is loaded while the program rotation function is active, this program will be used as the start program for the rotation.

  • Page 59: Options For Data Input And Output

    Refrigerated Centrifuge Sigma 3-18KS 6 Using the centrifuge → 6.3.4 Options for data input and output • Connection for a serial interface (depending on the centrifuge type, partly standard). • External signal active DC 24V, 0.5 A max. (part no. 17701) •...

  • Page 60: Malfunctions And Error Correction

    Refrigerated Centrifuge Sigma 3-18KS 7 Malfunctions and error correction → Malfunctions and error correction → General malfunctions Malfunctions are indicated by a dialog box. If the acoustic signal is activated, it sounds when the error message is displayed. • Eliminate the source of the problem (see table below).

  • Page 61: Emergency Lid Release

    Refrigerated Centrifuge Sigma 3-18KS 7 Malfunctions and error correction 7.1.1 Emergency lid release In the event of a power failure, it is possible to manually open the centrifuge lid. • Switch off the mains power switch and disconnect the power cord from the socket.

  • Page 62: Table Of Error Codes

    Refrigerated Centrifuge Sigma 3-18KS 7 Malfunctions and error correction → Table of error codes Error no. Kind of error Measures Note • System error Allow to slow down All these errors stop the centrifuge or cause it to • Power off/on decelerate brakeless •...

  • Page 63: Service Contact

    Refrigerated Centrifuge Sigma 3-18KS 7 Malfunctions and error correction → Service contact In the event of queries, malfunctions, or spare part enquiries: From Germany: Contact Sigma Laborzentrifugen GmbH An der Unteren Söse 50 37520 Osterode (Germany) Tel. +49 (0) 55 22 / 50 07-44 44 E-mail: support.lab@sigma-zentrifugen.de...

  • Page 64: Maintenance And Service

    Refrigerated Centrifuge Sigma 3-18KS 8 Maintenance and service → Maintenance and service The centrifuge, rotor, and accessories are subject to high mechanical stress. Thorough maintenance performed by the user extends the service life and prevents premature failure. If corrosion or other damage occurs due to improper care, the manufacturer cannot be held liable or subject to any warranty claims.

  • Page 65: Condenser (Only Refrigerated Centrifuges With An Air-Cooled Refrigeration System)

    Refrigerated Centrifuge Sigma 3-18KS 8 Maintenance and service → 8.1.1.1 Condenser (only refrigerated centrifuges with an air-cooled refrigeration system) In order to cool the refrigerant that is compressed by the refrigeration unit, centrifuges with an air-cooled refrigeration system use a lamellar condenser.

  • Page 66: Plastic Accessories

    Refrigerated Centrifuge Sigma 3-18KS 8 Maintenance and service → 8.1.2.1 Plastic accessories The chemical resistance of plastic decreases with rising temperatures (see chapter 11.5 - "Resistance data"). • If solvents, acids, or alkaline solutions have been used, clean the plastic accessories thoroughly.

  • Page 67: Load Bearing Bolts

    8.1.3.1 Load bearing bolts Rotors with Sigma "Comfort" rotor coating The load-bearing bolts of some of the swing-out rotors offered by Sigma Laborzentrifugen GmbH have an anti-friction coating. This coating prevents friction between the buckets and bolts. The bolts do not require any greasing during the service life of the coating NOTE (see chapter 3.6.7.3 - "Service life of the Sigma "Comfort"...

  • Page 68: Glass Breakage

    Refrigerated Centrifuge Sigma 3-18KS 8 Maintenance and service → 8.1.4 Glass breakage In the case of glass breakage, immediately remove all glass particles (e.g. with a vacuum cleaner). Replace the rubber cushions since even thorough cleaning will not remove all glass particles.

  • Page 69: Autoclaving

    Refrigerated Centrifuge Sigma 3-18KS 8 Maintenance and service → 8.2.1 Autoclaving The service life of the accessories essentially depends on the frequency of autoclaving and use. • Replace the accessories immediately when the parts show changes in colour or structure or in the occurrence of leaks etc.

  • Page 70: Service

    Refrigerated Centrifuge Sigma 3-18KS 8 Maintenance and service → Service In the event of service work that requires the removal of the panels, there is a risk of electric shock or mechanical injury. • Only qualified specialist personnel is authorised to perform this service work.

  • Page 71: Return Of Defective Centrifuges Or Parts

    Refrigerated Centrifuge Sigma 3-18KS 8 Maintenance and service → Return of defective centrifuges or parts Although we exercise great care during the production of our products, it may be necessary to return a unit or accessory to the manufacturer. In order to ensure the quick and economical processing of returns of centrifuges, spare parts, or accessories, we require complete and extensive information concerning the process.
  • Page 72 NOTE The forms can be downloaded online from www.sigma-zentrifugen.de → [Service] → [Overhaul and repair]. Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 72 / 95 Original operating manual, part no. 0701102...

  • Page 73: Disposal

    Disposal → Disposal of the centrifuge In accordance with the directive 2012/19/EU, SIGMA centrifuges are marked with the symbol shown to the left. This symbol means that it is not permissible to dispose of the unit among household waste. •...

  • Page 74: 10 Technical Data

    Refrigerated Centrifuge Sigma 3-18KS 10 Technical data → 10 Technical data Manufacturer Sigma Laborzentrifugen GmbH An der Unteren Söse 50 37520 Osterode (Germany) Type: 3-18KS Connection requirements Electr. connection: see name plate Protection class: IP code: Power consumption (kW): 1.01 Thermal circuit breaker (A): 10.0 (at 220-240 V / 50/60 Hz)

  • Page 75: Ambient Conditions

    Refrigerated Centrifuge Sigma 3-18KS 10 Technical data → 10.1 Ambient conditions • The figures are valid for an ambient temperature of +23°C and a nominal voltage  10 %. The minimum temperature is ≤ +4°C and depends on the rotor type, speed, and ambient temperature.

  • Page 76: 11 Appendix

    Refrigerated Centrifuge Sigma 3-18KS 11 Appendix → 11 Appendix → 11.1 Range of accessories The complete list of accessories can be downloaded from www.sigma-zentrifugen.de. 11.1.1 Rotor radii The information in the accessories table concerning the radius refers to the values of the respective rotor as shown below. The radius calculation is described in chapter 2.2.2.1 - "Speed, radius, and relative centrifugal...

  • Page 77: Speed-Gravitational-Field-Diagram

    Refrigerated Centrifuge Sigma 3-18KS 11 Appendix → 11.2 Speed-gravitational-field-diagram Fig. 37: Speed-gravitational-field-diagram Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 77 / 95 Original operating manual, part no. 0701102...

  • Page 78: Acceleration And Deceleration Curves

    Refrigerated Centrifuge Sigma 3-18KS 11 Appendix → 11.3 Acceleration and deceleration curves Linear as well as quadratic curves are numbered in the direction of increasing acceleration (from right to left). The deceleration curves are inverted images of the acceleration curves and are assigned the same numbers.
  • Page 79 Refrigerated Centrifuge Sigma 3-18KS 11 Appendix Fig. 40: Diagram of linear curves Fig. 41: Diagram of quadratic curves Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 79 / 95 Original operating manual, part no. 0701102...

  • Page 80: Table Of The Service Life Of Rotors And Accessories

    Refrigerated Centrifuge Sigma 3-18KS 11 Appendix → 11.4 Table of the service life of rotors and accessories • If no other data concerning the service life are engraved on the rotor or accessory, rotors and buckets must be checked by the manufacturer after 10 years.

  • Page 81: Resistance Data

    Refrigerated Centrifuge Sigma 3-18KS 11 Appendix → 11.5 Resistance data The data refer to resistance at 20°C. NOTE - no data 1 resistant 2 practically resistant 3 partially resistant 4 not resistant Medium Formula Acetaldehyde Acetamide saturated Acetone Acrylonitrile Allyl alcohol...
  • Page 82 Refrigerated Centrifuge Sigma 3-18KS 11 Appendix - no data 1 resistant 2 practically resistant 3 partially resistant 4 not resistant Medium Formula Chromic acid Chromic potassium KCr(SO saturated sulphate Citric acid Citric acid Copper sulphate CuSO x 5H Cyclohexanol Decane Diaminoethane —...
  • Page 83 Refrigerated Centrifuge Sigma 3-18KS 11 Appendix - no data 1 resistant 2 practically resistant 3 partially resistant 4 not resistant Medium Formula Isopropyl alcohol Lactic acid Magnesium chloride MgCl Mercuric chloride HgCl Mercury Methyl acetate Methyl alcohol Methyl benzene Methyl ethyl ketone...
  • Page 84 Refrigerated Centrifuge Sigma 3-18KS 11 Appendix - no data 1 resistant 2 practically resistant 3 partially resistant 4 not resistant Medium Formula Sodium bisulphite NaHSO Sodium carbonate Sodium chloride NaCl Sodium hydroxide NaOH Sodium hydroxide NaOH Sodium sulfate Spirits Styrene...

  • Page 85: Ec Declaration Of Conformity

    Refrigerated Centrifuge Sigma 3-18KS 11 Appendix 11.6 EC declaration of conformity Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 85 / 95 Original operating manual, part no. 0701102...
  • Page 86 Refrigerated Centrifuge Sigma 3-18KS 11 Appendix Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 86 / 95 Original operating manual, part no. 0701102...

  • Page 87: Declaration Of Conformity - China Rohs 2

    Refrigerated Centrifuge Sigma 3-18KS 11 Appendix Declaration of conformity – China RoHS 2 11.7 Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 87 / 95 Original operating manual, part no. 0701102...
  • Page 88 Refrigerated Centrifuge Sigma 3-18KS 11 Appendix Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 88 / 95 Original operating manual, part no. 0701102...

  • Page 89: Ukca Declaration Of Conformity

    Refrigerated Centrifuge Sigma 3-18KS 11 Appendix 11.8 UKCA declaration of conformity Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 89 / 95 Original operating manual, part no. 0701102...
  • Page 90 Refrigerated Centrifuge Sigma 3-18KS 11 Appendix Version 08/2012, Rev. 1.26 of 24/10/2023 • sb 90 / 95 Original operating manual, part no. 0701102...

  • Page 91: 12 Index

    Refrigerated Centrifuge Sigma 3-18KS Index 12 Index CE mark in compliance with the directive 2006/42/EC ..........15 Acceleration ..........42 Centrifugation monitoring ......47 Acceleration curve ......42, 53, 78 Centrifugation of infectious, toxic, radioactive, Acceleration curve (changing) ....53 or pathogenic substances .......
  • Page 92 Refrigerated Centrifuge Sigma 3-18KS Index Creating an acceleration curve ....53 Explosive substances ........ 21 Curve menu ..........53 External signal ........... 52 Customer-provided fuses ......31 Cycles ..........33, 52 Filling quantity (refrigerant) ......74 Fire preventions ......... 21 Damage of the surface .......
  • Page 93 Refrigerated Centrifuge Sigma 3-18KS Index Invert ............51 IP code ............74 Name plate .......... 11, 12 No indication on the display ....... 60 No power in the mains supply ....60 Kinetic energy ........12, 74 Noise level ..........74 Nominal voltage .........
  • Page 94 Return of defective parts ......71 Sound signal (warning) ......52 Rotor chamber ........... 64 Spare part enquiries ........63 Rotor coating Sigma "Comfort" ....24 Specialised personnel ........ 18 Rotor identification, automatic ....41 Speed ........12, 14, 39, 74 Rotor monitoring system ......
  • Page 95 Refrigerated Centrifuge Sigma 3-18KS Index Switching the centrifuge off ......59 Toxic substances ......... 21, 64 Switching the centrifuge on ......32 Transport safety device ......29 System ............52 Tubes ............36 System check ..........26 Type............. 12, 74 System error ........

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