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The Sigma 1‑7 is designed for the separation of blood and urine specimens in medical practices and small labs, and due to its strong performance it is also used in environmental analytics, schools and universities.

The Sigma 1‑7 compact benchtop centrifuge is especially good in delivering exact results in a very short time. With these attributes combined with convenient, intuitive operation and the motorised lid lock, which enables effortless closing of the centrifuge, it offers more than comparable devices in its segment.

What makes the Sigma 1‑7 benchtop centrifuge so attractive?
The Sigma 1‑7 benchtop centrifuge is the only one in its segment that supports up to ten saved programs. This allows routine protocols to be stored and work processes to be optimised. In operation this small centrifuge runs with especially low vibration, quietly and pleasantly.

The perfectly matched fixed-angle rotor of the Sigma 1‑7, with a maximum capacity of 6 x 15 ml, is well suited to meet the demands of small volumes of specimens. The maximum RCF of 6,153 x g and the short braking and acceleration times of this small centrifuge allow separation times to be shortened considerably.

Product options
Centrifuge & rotor package

Applications: Doctors in private practice, Veterinary practices, Small laboratory workstations, Hospitals

The Sigma 2‑16KHL refrigerated and heated model is the preferred choice for use with specimens whose viscosity needs to be reduced during centrifugation. It is also used in molecular biology to improve cell viability. Thanks to its compact design, it fits in every lab.

What makes the Sigma 2‑16KHL benchtop centrifuge so attractive?
With a wide range of fixed-angle and swing-out rotors, this all-purpose centrifuge can hold PCR tubes, test tubes, round-bottom tubes, culture tubes and microtiter plates. This extensive range is rounded out by a haematocrit rotor.
The Sigma 2‑16KHL provides extraordinary capacity with 4 x 100 ml in a swing-out rotor or 6 x 50 ml in a fixed-angle rotor.

The Sigma 2‑16KHL has a high-performance, precisely adjustable refrigeration system with a temperature range of –10°C to +60°C. The Rapid Temp quick cooling function allows the centrifuge chamber and accessories to be pre-cooled to a defined temperature. This ensures optimal protection of specimens against heating.

Up to 50 different routine protocols can be stored in program memory and easily retrieved. Ten selectable acceleration and braking curves support the optimisation of separation processes.

The Sigma 2‑16KHL is also available as the Sigma 2‑16P unrefrigerated centrifuge and the Sigma 2‑16KL refrigerated centrifuge.

Applications: Food labs, Universities & colleges, Pharmaceutical labs, Oil industry

Product option: Inert gas port

The Sigma 2‑16KL is the right answer for virtually every task in everyday lab work. This all-purpose centrifuge is versatile in use and fits in every lab thanks to its compact design. With an extensive range of rotors and accessories and high RCF values up to 20,627 x g, it is suitable for a wide variety of applications.

What makes the Sigma 2‑16KL benchtop centrifuge so attractive?

With a wide range of fixed-angle and swing-out rotors, this all-purpose centrifuge can hold PCR tubes, test tubes, round-bottom tubes, culture tubes and microtiter plates. This extensive range is rounded out by a haematocrit rotor.
The Sigma 2‑16KL provides extraordinary capacity with 4 x 100 ml in a swing-out rotor or 6 x 50 ml in a fixed-angle rotor.

The Sigma 2 16KL has a high-performance, precisely adjustable refrigeration system with a temperature range of –10°C to +40°C. The Rapid Temp quick cooling function allows the centrifuge chamber and accessories to be pre-cooled to a defined temperature. This ensures optimal protection of specimens against heating.

Up to 50 different routine protocols can be stored in program memory and easily retrieved. Ten selectable acceleration and braking curves support the optimisation of separation processes.

The Sigma 2 16KL is also available as the Sigma 2 16P unrefrigerated centrifuge and the Sigma 2 16KHL refrigerated and heated centrifuge.

Applications: Hospitals, Veterinary clinics, Food labs, Universities & colleges, Pharmaceutical labs, Cell culture labs

Product options:
• Inert gas port
• Clinic and cell culture packages

The Sigma 2‑7 Cyto combines the highlights of the Sigma 2‑7 laboratory centrifuge with state-of-the-art cytology centrifugation. This compact centrifuge excels in cytology labs with its perfectly matched accessories for the gentle and quiet depositing of cells on specimen slides and the possibility of repurposing the centrifuge for cell harvesting or processing of blood collection tubes. Along with saving space in the lab, this is a boon in economic terms.

It is ideal for gentle centrifugation in cytology labs to transfer cells to specimen slides for morphological assessment under the microscope. Cytodiagnostics, in which cells from bodily fluids or organs are subjected to microscopic examination to detect malignant cell changes, for example as part of cancer treatment, is a crucial application area for the Sigma 2‑7 Cyto.

What makes the Sigma 2‑7 Cyto so attractive?
This versatile benchtop centrifuge features barely audible running noise, a blue LED running indicator, ten program memory locations, and the availability of two curves each for braking and acceleration. Cytology rotors for the preparation of thin-film cell specimens and other swing-out rotors for cell harvesting or the preparation of blood collection tubes can be used.

Up to twelve specimens can be processed at the same time in the closed cytology rotors. There is a choice of cytology rotors designed for the RESOSPIN® clip system or the Shandon™ clip system. The cytology rotors can be autoclaved and have outstanding safety features for users and the centrifuge. The closed portable rotor protects the user before, during and after centrifugation of the specimens and allows loading in a laboratory fume cupboard or on a bench.

In addition, the available swing-out rotors and extensive accessories can accommodate tubes and flasks from 1.5 ml to 100.

Applications: Pathology, Hospitals

The compact Sigma 1‑14K centrifuge fits in every lab and fulfils the most stringent technical requirements. Its strong performance and large range of rotors are unique:
Two fixed-angle rotors provide a maximum capacity of 24 x 1.5/2.0 ml. Thanks to rotors for PCR strips, microhaematocrit capillary tubes and filter tubes, the Sigma 1‑14K is an all-round laboratory centrifuge suitable for a wide variety of applications. It is popular for molecular biology applications such as DNA, RNA and protein isolation, clinical chemistry, and in research labs and food labs, universities, and the pharmaceutical industry.

What makes the Sigma 1‑14K mini centrifuge so attractive?
The handy Sigma 1‑14K mini centrifuge combines effective performance with reliability. It is pleasantly quiet even at maximum speed, has wonderfully short braking times, is easy to use, and can be closed effortlessly thanks to a motorised lid lock. Customers also appreciate the price/performance ratio.

Applications: hospitals, infant stations, Veterinary clinics, Food labs, universities & colleges, pharmaceutical labs, cell culture labs

The Sigma 1‑14K is also available as the Sigma 1‑14 unrefrigerated centrifuge.

The Sigma 2-7 compact benchtop centrifuge arose from the experiences and desires of our customers. It combines advanced technology with high capacity and sets standards for ergonomic operation and quiet running.

The maximum RCF of more than 2,500 x g is suitable for many application areas in clinical diagnostics, veterinary medicine, pharmaceutics, environmental analysis and industrial production, as well as universities and research facilities.

What makes the Sigma 2‑7 benchtop centrifuge so attractive?
The Sigma 2‑7 scores with innovative features. One highlight is the blue LED running indicator, which enables operators to see from a great distance whether the run has ended. Other unique features are the 10 program storage locations (unequalled in its class) and the optional programmable centrifuge standstill and start times. This delayed start feature has been specifically developed for working with blood collection tubes in clinical in vitro diagnostics (IVD). The necessary clotting time can be preset on the device to help improve work processes.

The benchtop centrifuge is available with numerous swing-out and fixed-angle rotors, along with various buckets and adapters. The extensive range of accessories can accommodate tubes and flasks from 1.5 ml to 100 ml as well as microtiter and deepwell plates.

The Sigma 2‑7 is also available as an IVD model.

Product options
• IVD
• Clinic and cell culture packages

Applications: Hospitals, Veterinary clinics, Food labs, Universities & colleges, Pharmaceutical labs, Doctors in private practice, Cell culture labs

The Sigma 3-16T is a space-saving, air-cooled benchtop centrifuge with an impressive capacity of up to 4 × 400 ml. Its wide range of rotors and accessories enables it to accommodate a wide variety of sample vessels, providing a high degree of flexibility for many laboratory applications, from routine tasks to more demanding process steps.

A key feature is the new touchscreen-based Spincontrol T control unit, which makes it easy to use and provides a clear overview of all relevant parameters. Functions such as program memory, USB data export, integrated quality management options and connection to the Sigma Timer app help make laboratory processes efficient, traceable and transparent.

The Sigma 3-16T also sets high standards in terms of safety. Automatic rotor detection, digital imbalance monitoring and continuous service life monitoring of rotors and buckets ensure reliable and secure operation during everyday laboratory use.

For improved energy efficiency, ECO Mode automatically switches the device to standby mode when not in use, helping to reduce energy consumption and operating costs.

Applications: hospitals, veterinary clinics, food laboratories, universities and colleges, pharmaceutical laboratories, cell culture laboratories, environmental laboratories.

The Sigma 3-16T is available as a refrigerated centrifuge version as well as in an IVD version, allowing flexible configuration to meet specific laboratory and regulatory requirements.

The Sigma 3-17KT combines a compact design with powerful, precision-controlled cooling. The refrigerated centrifuge features fast, finely adjustable cooling in a temperature range from -20 °C to +40 °C. The "Rapid Temp" quick cooling function, which can be selected directly via a button, allows users to precool the centrifuge chamber and accessories to a defined temperature.

The centrifuge has an extremely large capacity of up to 4 × 400 ml. The wide range of fixed-angle and swing-out rotors, as well as a variety of accessories, ensures it can be used with many different vessel types and for a wide range of applications in daily laboratory work.

The new, modern Spincontrol T touch control unit makes the menu clear and easy to navigate. In addition to basic parameter selection functions, the Sigma Spincontrol T stands out thanks to its quality management function, the option to export run data via USB stick, the ability to retrieve service-relevant data via QR code and the option of using the "Sigma Timer" app.

The Sigma 3-17KT features an ECO Mode to help save energy and costs. After a customisable period of time, the centrifuge automatically switches to standby mode when not in use. The display is reduced to the lowest brightness level, and the compressor of the cooling system is switched off. This is not only energy efficient, but also improves the working atmosphere in the lab because the noise level is significantly lower when the cooling system is shut off.

The Sigma 3-17KT is available as a non-refrigerated centrifuge and as an IVD version.

The Sigma 3‑18KHS refrigerated or actively heated centrifuge is the perfect choice for everyone who is looking for a broad range of operating options. The centrifuge enables RCF values of more than 30,000 x g and is very convenient in use thanks to the patented Spincontrol S one-knob control and automatic lid lock. Combined with the extensive range of rotors and accessories, this all-purpose centrifuge sets standards for versatility and performance.
The Sigma 3‑18KHS is ideal for use in the industrial sector for sedimentation of liquid media at relatively high temperatures.

What makes the Sigma 3‑18KHS all-purpose centrifuge so attractive
The Sigma 3‑18KHS makes work processes in laboratory operation more efficient, safer and more convenient. The benchtop centrifuge has an extraordinary capacity with a maximum of 4 x 400 ml. The Sigma 3‑18KHS is nicely complemented by a large selection of fixed-angle and swing-out rotors, buckets and adapters, including many biosafe configurations. Particularly thanks to the ability to use fixed-angle rotors with high RCF, the centrifuge covers a distinctly broader spectrum of applications compared to competitive units.

Aplications: Food labs, Universities & colleges, Pharmaceutical labs, Environmental labs, Oil industry

Product options: Inert gas port, Biosafe swing-out and fixed-angle rotors

The Sigma 3‑18KHS is also available as the Sigma 3‑18KS refrigerated centrifuge.

The Sigma 1‑16 K microcentrifuge stands out with its space-saving design, high-quality finishing and excellent performance characteristics.

The extensive range includes rotors for PCR strips, filter tubes and 2 ml or 5 ml microlitre tubes, and a rotor for centrifuging microhaematocrit capillary tubes. Its strong performance and range of rotors make the Sigma 1‑16 K ideal for microbiological and protein biochemistry applications and clinical chemistry applications.

What makes the Sigma 1‑16K microcentrifuge so attractive?

The Sigma 1‑16K features RCF values greater than 20,600 x g, short acceleration and braking times, a high-grade stainless steel bowl, and a motorised lid lock for effortless closing. Further highlights include the ability to store ten standard programs, a closable biosafe rotor with a capacity of 36 x 2 ml, and a rotor for 12 x 5 ml test tubes.

Product options:
• IVD
• Centrifuge package with 24 x 2 ml PP rotor
• Biosafe 36 x 2 ml rotor

Applications: Hospitals, Veterinary clinics, Food labs, Universities & colleges, Pharmaceutical labs, Cell culture labs

The Sigma 1‑16K is also available as the Sigma 1‑16 unrefrigerated centrifuge and as an IVD model.

The Sigma 3 18KS is the perfect choice for everyone who sets very high requirements for refrigerated benchtop centrifuges and is looking for a broad range of operating options. The centrifuge enables RCF values of more than 30,000 x g and is very convenient in use thanks to the patented Spincontrol S one-knob control and automatic lid lock. Combined with the extensive range of rotors and accessories, this all-purpose centrifuge sets standards for versatility and performance.

What makes the Sigma 3 18KS all-purpose centrifuge so attractive?
The Sigma 3 18KS makes work processes in laboratory operation more efficient, safer and more convenient. The benchtop centrifuge has an extraordinary capacity with a maximum of 4 x 400 ml. The Sigma 3 18KS is nicely complemented by a large selection of fixed-angle and swing-out rotors, buckets and adapters, including many biosafe configurations. Particularly thanks to the ability to use fixed-angle rotors with high RCF, the centrifuge covers a distinctly broader spectrum of applications compared to competitive units.

Applications: Hospitals, Veterinary clinics, Food labs, Universities & colleges, Pharmaceutical labs, Cell culture labs, Environmental labs

Product options: IVD, Inert gas port, Biosafe swing-out and fixed-angle rotors, Cell culture packages

The Sigma 3 18KS is also available as a refrigerated and heated centrifuge.

This high speed centrifuge combines innovative technology with many decades of experience in the field of high speed laboratory centrifuges.

Positioned between laboratory centrifuges and ultracentrifuges, this refrigerated and heated centrifuge features outstanding performance characteristics and excellent value for money.
High RCF values of more than 70,000 x g enable fast separation, even with microscopic particles and cell fragments. This makes the Sigma 3 30KHS especially suitable for high speed applications in fields such as cellular biology, molecular biology, diagnostics and clinical biology, nanotechnology, research and genetics – especially for specimens whose viscosity must be reduced during centrifugation.

What makes the Sigma 3 30KHS high speed centrifuge so attractive?

The special drive system of the Sigma 3 30KHS is specifically designed for use at very high speeds. This concept allows the high speed centrifuge to achieve RCF values above 70,000 x g with microlitre tubes.
The temperature adjustment range of the refrigerated and heated high-speed centrifuge is –20°C to +60°C.

A total of 20 rotors are available, along with a broad range of accessories. The tube capacities extend from 0.2 ml to 94 ml in fixed-angle rotors or 0.2 ml to 100 ml in swing-out rotors. Microtiter and deepwell plates can also be centrifuged.

Options: Inert gas port, Biosafe fixed-angle rotors, RS 232 interface

The Sigma 3 30KHS is also available as the Sigma 3 30KS refrigerated centrifuge. An inert gas port is optionally available for this device series.

This high speed centrifuge combines innovative technology with many decades of experience in the field of high speed laboratory centrifuges.
Positioned between laboratory centrifuges and ultracentrifuges, this refrigerated benchtop centrifuge features outstanding performance characteristics and excellent value for money.
High RCF values of more than 70,000 x g enable fast separation, even with microscopic particles and cell fragments. This makes the Sigma 3 30 especially suitable for high speed applications in fields such as cellular biology, molecular biology, diagnostics and clinical biology, nanotechnology, research and genetics.

What makes the Sigma 3 30KS high speed centrifuge so attractive?

The special drive system of the Sigma 3 30KS is specifically designed for use at very high speeds. This concept allows the high speed centrifuge to achieve RCF values above 70,000 x g with microlitre tubes.
This high speed centrifuge also has a high-performance refrigeration system. Centrifuging at temperatures below 0°C is possible, depending on the rotor and the speed.

A total of 20 rotors are available, along with a broad range of accessories. The tube capacities extend from 0.2 ml to 94 ml in fixed-angle rotors or 0.2 ml to 100 ml in swing-out rotors. Microtiter and deepwell plates can also be centrifuged.

Product options: Inert gas port, Biosafe fixed-angle rotors, RS 232 interface

The Sigma 4 16KHS refrigerated benchtop centrifuge excels with versatile rotor configurations and outstanding capacity. Large specimen volumes can also be processed efficiently thanks to the maximum capacity of 4 x 750 ml in a swing-out rotor or 6 x 250 ml a fixed-angle rotor. The especially smooth running ensures excellent and reproducible sedimentation results. With its versatile range of rotors, it is suitable for research labs, hospitals, universities and pharmaceutical labs, as well as cell culture and biotechnology applications applications – especially with specimens whose viscosity must be reduced during centrifugation.

What makes the Sigma 4 16KHS refrigerated benchtop centrifuge so attractive?
The Sigma 4 16KHS refrigerated benchtop is available with numerous swing-out and fixed-angle rotors as well as various buckets and adapters, including many biosafe configurations.
The extensive range of accessories can accommodate tubes and flasks from 0.2 ml to 750 ml as well as microtiter and deepwell plates.
The swing-out rotors can hold up to 3 litres (4 x 750 ml) or (for example) 16 x 50 ml tubes. The RCF values achievable with the configurations are best-in-class in this centrifuge segment. Highlights in the area of fixed-angle rotors include a 6 x 250 ml rotor with a maximum RCF of 13,131 x g and the ability to centrifuge 50 ml culture tubes at more than 23,000 x g.

This compact unit has intuitive operation and well-conceived features. The patented Spincontrol S one-knob controller provides superior operating convenience, safety and versatility. The acceleration and braking profiles (30 each) facilitate optimisation of separation runs and yields. Routine protocols can be stored with user-defined names and quickly retrieved from the integrated process library.
With automatic rotor identification, run time and speed monitoring, password-protected access to the controller and secure program storage, the centrifuge ensures uncompromising safety. The Sigma 4 16KS also features a high-performance refrigeration system. The temperature adjustment range of the refrigerated and heated centrifuge is –20°C to +60°C.

Applications: Hospitals, Veterinary clinics, Food labs, Universities & colleges, Pharmaceutical labs, Oil industry, Environmental labs

Options: Sigma 4‑16S unrefrigerated centrifuge, Sigma 4 16KS refrigerated centrifuge, Inert gas port, Biosafe swing-out and fixed-angle rotors, RS 232 interface, Clinic and cell culture packages

The Sigma 4 16KS refrigerated benchtop centrifuge excels with versatile rotor configurations and outstanding capacity. Large specimen volumes can also be processed efficiently thanks to the maximum capacity of 4 x 750 ml in a swing-out rotor or 6 x 250 ml a fixed-angle rotor. The especially smooth running ensures excellent and reproducible sedimentation results. With its versatile range of rotors, it is suitable for research labs, hospitals, universities and pharmaceutical labs, as well as cell culture and biotechnology applications.

What makes the Sigma 4 16KS refrigerated benchtop centrifuge so attractive?
The Sigma 4 16KS refrigerated benchtop is available with numerous swing-out and fixed-angle rotors as well as various buckets and adapters, including many biosafe configurations.
The extensive range of accessories can accommodate tubes and flasks from 0.2 ml to 750 ml as well as microtiter and deepwell plates.

The swing-out rotors can hold up to 3 litres (4 x 750 ml) or (for example) 16 x 50 ml tubes. The RCF values achievable with the configurations are best-in-class in this centrifuge segment. Highlights in the area of fixed-angle rotors include a 6 x 250 ml rotor with a maximum RCF of 13,131 x g and the ability to centrifuge 50 ml culture tubes at more than 23,000 x g.

This compact unit has intuitive operation and well-conceived features. The patented Spincontrol S one-knob controller provides superior operating convenience, safety and versatility. The acceleration and braking profiles (30 each) facilitate optimisation of separation runs and yields. Routine protocols can be stored with user-defined names and quickly retrieved from the integrated process library.
With automatic rotor identification, run time and speed monitoring, password-protected access to the controller and secure program storage, the centrifuge ensures uncompromising safety. .The Sigma 4 16KS also features a high-performance refrigeration system. Centrifuging at temperatures below 0°C is possible, depending on the rotor and the speed.

Applications: Hospitals, Veterinary clinics, Food labs, Universities & colleges, Pharmaceutical labs, Cell culture labs, Environmental labs

Options: Sigma 4‑16S unrefrigerated centrifuge, Sigma 4 16KHS refrigerated and heated centrifuge, Inert gas port, Biosafe swing-out and fixed-angle rotors, RS 232 interface

The Sigma 4 16S benchtop centrifuge excels with versatile rotor configurations and outstanding capacity. Large specimen volumes can also be processed efficiently thanks to the maximum capacity of 4 x 750 ml in a swing-out rotor or 6 x 250 ml a fixed-angle rotor. The especially smooth running ensures excellent and reproducible sedimentation results. With its versatile range of rotors, it is suitable for research labs, hospitals, universities and pharmaceutical labs, as well as cell culture and biotechnology applications.

What makes the Sigma 4 16S benchtop centrifuge so attractive?
The Sigma 4 16S is available with numerous swing-out and fixed-angle rotors as well as various buckets and adapters, including many biosafe configurations.
The extensive range of accessories can accommodate tubes and flasks from 0.2 ml to 750 ml as well as microtiter and deepwell plates.

The swing-out rotors can hold up to 3 litres (4 x 750 ml) or (for example) 16 x 50 ml tubes. The RCF values achievable with the configurations are best-in-class in this centrifuge segment. Highlights in the area of fixed-angle rotors include a 6 x 250 ml rotor with a maximum RCF of 13,131 x g and the ability to centrifuge 50 ml culture tubes at more than 23,000 x g.

This compact unit has intuitive operation and well-conceived features. The patented Spincontrol S one-knob controller provides superior operating convenience, safety and versatility. The acceleration and braking profiles (30 each) facilitate optimisation of separation runs and yields. Routine protocols can be stored with user-defined names and quickly retrieved from the integrated process library.
With automatic rotor identification, run time and speed monitoring, password-protected access to the controller and secure program storage, the centrifuge ensures uncompromising safety.

Applications: Hospitals, Veterinary clinics, Food labs, Universities & colleges, Pharmaceutical labs, Cell culture labs, Environmental labs

Options: Sigma 4‑16KS refrigerated centrifuge, Sigma 4 16KHS refrigerated and heated centrifuge, Inert gas port, Biosafe swing-out and fixed-angle rotors, RS 232 interface

The high-performance Sigma 4-5KL laboratory centrifuge is designed for throughput and capacity. The hight torque enables especially short acceleration times and makes laboratory processes efficient. This centrifuge is recommended for applica tions in clinical diagnostics and for life sciences applications

The refrigerated version Sigma 4-5KL, with a temperature adjustment range of -10°C to +40°C, is recommended for the protection of specimens with especially sensitive limit temperatures.
The Sigma 4 5KL also boasts a low noise level and an extensive range of accessories. Up to 50 different routine protocols can be stored in program memory and easily retrieved.

What makes the Sigma 4 5KL benchtop centrifuge so attractive?
The Sigma 4-5KL refrigerated centrifuge is recommended for all applications in which the room temperature must be main tained. To save energy and reduce costs, the refrigerated centri fuge offers the ECO mode feature. After a user-settable time, the centrifuge automatically switches to standby mode if it is not being used. Along with being energy efficient, this improves the working atmosphere in the lab by switching off the refrigeration to signifi cantly reduce the noise level. The refrigerated centrifuge has a very small footprint and offers good value for money.

Product options: unrefrigerated centrifuge, IVD, Biosafe swing-out and fixed angle rotors, Clinic and cell culture packages, RS232 interface

Applications: Hospitals, Food labs, Universities & colleges, Pharmaceutical labs, Cell culture labs, Environmental labs