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Sigma 3-18KS, refrigerated benchtop centrifuge 220-240 V, 50/60 Hz

Reference: SIG-10370

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Top class for demanding users
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.

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

Controller Specifications:

  • Programs: 60
  • Acceleration curves: 10 linear, 10 quadratic, 10 user definable
  • Deceleration curves: 10 linear, 10 quadratic, 10 user definable
  • Cycle counting: Yes

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    Technical information

    Max. capacity [ml] 
    swing-out rotor4 x 400
    fixed-angle rotor6 x 94
    Max. RCF30.070
    Max. speed [rpm]18.000
    Min. speed [rpm]100
    Noise level at maximum speed (approximate) [dB(A)]
    fixed-angle rotor 12154≤ 55
    swing-out rotor 11180
    with bucket 13190    		≤ 60
    Max. acceleration time [s]
    fixed-angle rotor 12154≤ 29
    swing-out rotor 11180
    with bucket 13190    		≤ 18
    Max. braking time [s]
    fixed-angle rotor 12154≤ 47
    swing-out rotor 11180
    with bucket 13190    		≤ 21
    Temperature setting range [°C]-20 – +40
    Power consumption [W]1.010
    Height x Width x Depth [mm]355 x 630 x 600
    Height with open lid [mm]785
    Weight without rotor [kg]78
    RefrigerantR134a
    Charge [kg] / Pressure [bar]0,385 / 23
    CO2 equivalent [t]0,551


    Related documents

    DOCUMENT NAME

    RELEASE DATE

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    Brochure Sigma 3-18KS & 3-18KHS EN
    19 / 09 / 2024
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