SIGMA 3-18KS universal benchtop refrigerated centrifuge
The SIGMA 3-18KS universal benchtop refrigerated centrifuge is a powerful and versatile device that has been specially developed for demanding laboratory applications. With a maximum speed of 18,000 rpm and freely definable acceleration and deceleration curves, it offers maximum flexibility and precision. This centrifuge is ideal for applications in research, diagnostics and analysis where reliable and efficient separation of samples is required. Comparisons with the SIGMA 3-18KHS heated benchtop refrigerated centrifuge show that the SIGMA 3-18KS is particularly suitable for temperature-sensitive samples thanks to its cooling function and high speed.
Performance features and technical data
The SIGMA 3-18KS is characterized by a number of technical features that make it an indispensable tool in any laboratory:
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Maximum speed: 18,000 rpm
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Vessel volume: 0.2 ml to 85 ml
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Dimensions (H x W x D): 355 x 630 x 600 mm
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Weight without rotor: 78 kg
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Power consumption: 1010 W
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Noise level: 60 dB(A) with rotor 11132, 66 dB(A) with rotor 12154
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Kinetic energy: Up to 22,989 Nm
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Cooling function: Yes, with Rapid temp cooling program
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Display: TFT with permanent target and actual display
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Certifications: EN 61326 (radio interference suppression)
The centrifuge has 10 linear and 10 square acceleration and deceleration curves, which can be freely defined. This enables precise control of the centrifugation processes and optimum adaptation to the specific requirements of the samples. The maximum acceleration time is 20 seconds for the 11132 rotor and 28 seconds for the 12154 rotor, while the maximum deceleration time is 12 seconds and 53 seconds respectively.
Application examples
The SIGMA 3-18KS is suitable for a wide range of applications, including
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Biochemical analysis: separation of proteins, nucleic acids and other biomolecules.
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Clinical diagnostics: preparation of blood samples for analysis.
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Pharmaceutical research: isolation and purification of active ingredients.
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Microbiology: Sedimentation of microorganisms and cell cultures.
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Environmental analysis: Separation of particles in water and soil samples.
Thanks to its high speed and the ability to centrifuge samples at low temperatures, the SIGMA 3-18KS is particularly suitable for temperature-sensitive substances such as enzymes and proteins.
FAQs
Which rotors are compatible with the SIGMA 3-18KS?
The SIGMA 3-18KS is compatible with a wide range of rotors, including angle rotors, swing-out rotors, PCR rotors, special rotors and MTP rotors. This allows flexible adaptation to different sample volumes and types.
How loud is the SIGMA 3-18KS during operation?
The noise level of the centrifuge is 60 dB(A) when using the 11132 rotor and 66 dB(A) when using the 12154 rotor, making it one of the quietest centrifuges in its class.
Can the centrifuge be operated continuously?
Yes, the SIGMA 3-18KS is suitable for continuous operation and is equipped with a run monitoring system and a visual standstill indicator to ensure maximum safety during operation.
What safety functions does the centrifuge offer?
The centrifuge is equipped with several safety functions, including an automatic lid release at the end of operation, a refusal to start if the actual temperature deviates too much and a warning when the rotor reaches the end of its service life. The control unit can also be locked to prevent unauthorized access.
Conclusion
The SIGMA 3-18KS universal benchtop refrigerated centrifuge is a powerful and versatile device that is characterized by high speeds, flexible control options and extensive safety functions. It is ideal for demanding laboratory applications in research, diagnostics and analysis and offers reliable and efficient separation of samples. With its cooling function and the ability to centrifuge samples at low temperatures, it is particularly suitable for temperature-sensitive substances.
