Sigma Centrifuges

Sigma Centrifuges

1-14 and 1-14K

Sigma 1-14 and 1-14K Centrifuge

Small but incredibly powerful, the 1-14 and 1-14K are the smallest centrifuges that Sigma produce. They are designed to spin small micro tubes up to 2ml in capacity. The 1-14 will reach speeds of up to 14,800 rpm (16,163 xg), whilst the 1-14K will reach speeds of up to 15,000 rpm (16,602 xg). There are a number of different rotors available, including one for haematocrit capillaries.

Key features:

  • Very small footprint
  • Designed for quick and frequent use at high speed
  • Haematocrit rotor available

1-16 and 1-16K

Sigma 1-16 and 1-16K Centrifuge

Replacing the popular 1-15, the Sigma 1-16 and 1-16K is a popular choice among laboratory technicians. the 1-16 and 1-16K have a slightly larger footprint than the 1-14 and a range of different angle rotors are available for spinning tubes up to 2ml. These centrifuges can also accommodate the larger 75mm haematocrit capillaries. The performance of this centrifuge is impressive, with a capability of speeds up to 15,000 rpm (20,627 xg).

Key features:

  • Larger selection of rotors compared to 1-14
  • Refrigerated variant available
  • Max speed of 15,000 RPM


Sigma 2-7 Centrifuge

The Sigma 2-7 centrifuge is a compact, non-refrigerated, bench-top centrifuge ideal for routine laboratory work. This centrifuge is fitted with a motorised lid lock, stainless steel bowl and blue LED light which indicates when the run has come to an end. Popular in clinical laboratories, as well as small medical practices, the Sigma 2-7 centrifuge is perfect for labs where space is a premium. Despite its size, the centrifuge is incredibly powerful and can reach speeds of up to 4,000 rpm (2,540 xg). Both swing-out and angle rotor configurations are available.

Key features:

  • Compact and versatile centrifuge
  • Motorised lid lock
  • Perfect for labs with limited space

2-16P, 2-16KL and 2-16KHL

Sigma 2-16P, 2-16KL and 2-16KHL Centrifuge

The Sigma 2-16 range has a maximum capacity of 4 x 100ml and is available in non-refrigerated, refrigerated and heated versions. The top speed of these centrifuges can reach over 15,000 rpm. A wide range of accessories are available, making this centrifuge a great all-round addition to any laboratory.

Key features:

  • Non-refrigerated, refrigereated and heated versions
  • Top speed of 15,000 RPM
  • Large selection of rotors and adaptors

3-16L and 3-16KL

Sigma 3-16L and 3-16KL Centrifuge

The 3-16 range has a maximum capacity of 4 x 400ml and can reach speeds of over 15,000 rpm which equates to over 21,000 xg. These centrifuges can be used in a variety of different settings and spin a wide range of tubes and bottles. Both swing-out and angle rotors are available.

Key features:

  • Multi purpose centrifuge
  • Max capacity 4 x 400ml
  • Compact for it’s volume

3-18KS and 3-18 KHS

Sigma 3-18KS and 3-18 KHS Centrifuge

Like the 3-16 range of centrifuges, the 3-18 range has a maximum capacity of 4 x 400ml but can reach speeds of 18,000 rpm. This is equal to a maximum g-force of 30,070 xg. There are is a broad range of different rotors and buckets available which can accommodate blood tubes, bottles, PCR strips, and microplates.

Key features:

  • Compact and robust centrifuge
  • Large selection of rotors and adaptors
  • Heated version available

3-30KS and 3-30KHS

Sigma 3-30KS and 3-30KHS Centrifuge

The 3-30 range is targeted at people who need to spin samples at very high g-forces, but do not need a large capacity. These centrifuges can reach speeds of over 65,000 xg without the need of a vacuum. This means that the 3-30 range fills the gap between a standard and ultracentrifuge.

Available in both refrigerated and heated versions, there is a multitude of different accessories that can be used in both the 3-30KS and 3-30KHS.

Key features:

  • Designed for high g-force requirements
  • Max RCF of 65,000 xg
  • Refrigerated and Heated versions


Sigma 4-5L Centrifuge

This IVD compliant, non-refrigerated, 3 litre centrifuge (4 x 750ml) is perfect for users with a high throughput of samples. Despite its large capacity, it still has an incredibly small footprint. The powerful, but whisper quiet motor can deliver speeds up to 4,700 rpm (4,643 xg) in super fast times.

Key features:

  • Non-refrigereted high throughput centrifuge
  • Compact for it’s volume
  • Quiet operation

4-16S, 4-16KS and 4-16KHS

Sigma 4-16S, 4-16KS and 4-16KHS Centrifuge

This powerful 4 x 750ml centrifuge by Sigma is perfect for routine laboratory work. Fully programmable and capable of speeds up to 13,500 rpm (20,376 xg), the 4-16 range is available in air-cooled, refrigerated and heated versions. The user can select up to 10 different acceleration and brake rates.

Key features:

  • Fully programmable
  • Max speed 13,500 rpm
  • Non-refrigerated, refrigerated and heated versions available

6-16S, 6-16HS, 6-16KS and 6-16KHS

Sigma 6-16S, 6-16HS, 6-16KS and 6-16KHS Centrifuge

The Sigma 6-16 range is slightly larger than the 4-16 range in that it can accommodate 4 x 800ml buckets. A wide range of rotors and buckets are available including fixed angle and swing out versions. Users can effortlessly open and close the lid thanks to the motorised lid lock.

Key features:

  • Large selection of rotors and adaptors
  • Max capacity of 4 x 800ml
  • Motorised lid lock

8KS and 8KBS

Sigma 8KS and 8KBS Centrifuge

The Sigma 8KS and 8KBS are a large capacity, refrigerated blood bank centrifuges dedicated to spinning blood bags from single to quintuple versions. With a total capacity of 6 x 2 litres, these centrifuges can easily accommodate two quad bags per bucket. There are also fixed angle rotors available for the 8KS for users who want to reach much higher g-forces. The 8KBS can be supplied with the water-cooled compressor if needed.

Key features:

  • Large capacity refrigerated blood bank
  • Max capacity 6 x 2 liters
  • Water-cooled compressor available