Buy SIGMA 3-18KS universal benchtop refrigerated centrifuge Online at a Good Price

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:

Maximum speed: 18,000 rpm
Vessel volume: 0.2 ml to 85 ml
Dimensions (H x W x D): 355 x 630 x 600 mm
Weight without rotor: 78 kg
Power consumption: 1010 W
Noise level: 60 dB(A) with rotor 11132, 66 dB(A) with rotor 12154
Kinetic energy: Up to 22,989 Nm
Cooling function: Yes, with Rapid temp cooling program
Display: TFT with permanent target and actual display
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

Biochemical analysis: separation of proteins, nucleic acids and other biomolecules.
Clinical diagnostics: preparation of blood samples for analysis.
Pharmaceutical research: isolation and purification of active ingredients.
Microbiology: Sedimentation of microorganisms and cell cultures.
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.

Dimensions (H x W x D) (centrifuges):	355 x 630 x 600 mm
Acoustic signal, switchable:	yes
Display speed / g-force:	speed and g-force
Acceleration max.:	Rotor 11132: 20 s, Rotor 12154: 28 s
Linear acceleration curves:	10
Acceleration curves, quadratic:	10
Deceleration and brakeless:	Combination from 1000 - 150 rpm selectable
Deceleration curves, linear:	10
Deceleration curves, quadratic:	10
Deceleration max.:	Rotor 11132: 12 s, Rotor 12154: 53 s
Continous run:	yes
Lid release / lid open:	Auto lid release at the end of the run, switchable, Auto lid open, switchable
Display (centrifuges):	TFT
Speed max.:	18000 rpm
Speed min.:	100 rpm
Speed increments (Centrifuges):	10; 1 rpm
Calculation for liquid density:	>1.2 g/cm3
User defined acceleration curves:	10
User defined deceleration curves:	10
Brakeless:	yes
User defined program name:	yes
Frequency (Centrifuges):	50/60 Hz
Capacity of vessels:	0.2 ml, 0.25 ml, 0.4 ml, 0.5 ml, 1.5 ml, 2 ml, 5 ml, 7 ml, 10 ml, 15 ml, 25 ml, 30 ml, 50 ml, 85 ml
Noise level at max. speed:	Rotor 11132: 60 dB (A), Rotor 12154: 66 dB (A)
Weight without rotor:	78 kg
Height with open lid:	785 mm
Capacity/capacity max.:	4 x 400 ml
Kinetic energy max.:	22989 Nm
Short run:	yes
Cooling, heating:	cooling
Run monitoring:	yes
Power consumption (centrifuges):	1010 W
Max. radius decreaseable :	yes
Microprocessor controlled:	yes
Optical display stillstand:	yes
Permanent display preselected, current values:	yes
Programmes (centrifuges):	60
Rotors, pre programmed:	All rotors pre programmed speed, g-force, radius
Rotor type:	MTP rotor, angle rotor, swing-out rotor, PCR rotor, special rotor
Rotor temperature min.:	Rotor 11132 at 5,500 rpm: less than 4 °C, Rotor 12154 at 18,000 rpm: less than 2 °C, Rotor 11132 at 5,500 rpm: < 4 °C, Rotor 12154 at 18,000 rpm: < 2 °C
Fast cool program:	Rapid temp
G-force increments:	10;1 xg
Safety (centrifuges):	4-digit code protection, free selectable, Start refused with exceeded temperature tolerance, tolerance preselectable, Pop up window end of rotor life time
Signal length preselectable:	yes
Voltage (centrifuges):	220 - 240 V
Start delay:	yes
Controller (Centrifuges):	Control unit lockable
Standstill heating, switchable:	yes, yes
Temperature increments:	1 °C
Switchable °C, °F:	yes
Time setting range:	10 sec - 99h 59min
Time increments:	60; 1 s
Timing after:	set speed has been reached, switchable
Centrifuge type:	universal centrifuge
Counting cycles:	Counting cycles centrifuge, each rotor
Shipping weight:	93,00 kg
Item weight:	78,00 kg

Model	SIGMA 3-18KS
Power supply	220-240 V, 50/60 Hz
Power consumption [W]	1010
Max. capacity [ml]	4 x 400
Max. speed [rpm]	18000
Min. speed [rpm]	100
Height x Width x Depth [mm]	355 x 630 x 600
Height with open lid [mm]	785
Interference suppression	EN 61326
Weight without rotor [kg]	78
Kinetic energy max. [Nm]	22989
Noise level at max. speed (approx.) - Rotor 12154 at 18.000 rpm - Rotor 11132 at 5.500 rpm	66 dB(A) 60 dB(A)
Max. acceleration [sec] - Rotor 12154 - Rotor 11132	28 20
Max. deceleration [sec] - Rotor 12154 - Rotor 11132	53 12
Temperature setting range [°C] - Rotor 11132 5.500 rpm - Rotor 12154 18.000 rpm	-10°C - +40°C < 2 < 4

Display	TFT
Plain text pop up windows	+
Permanent display preselected, current values	+
Display shows dimensions
Timer	10 sec - 99h 59min
Timing after set speed has been reached, switchable	+; +
Time increments [sec]	60; 1
Short run	+
Continous run	+
Speed increments [min -1]	10; 1
Display speed and g-force	+
G-force increments [xg]	10; 1
Temperature increments [°C]	1
Switchable	°C, °F +
Standstill cooling, switchable	+, +
Rapid cooling program: Rapid_temp	+
Start refused with exceeded temperature tolerance, tolerance preselectable	+
Programs	60
User defined program name	+
Program list shows all parameters	+, +
Linear acceleration curves	10
Quadratic acceleration curves	10
User defined acceleration curves	10
Linear deceleration curves	10
Quadratic deceleration curves	10
User defined deceleration curves	10
Brakeless	+
Combination deceleration a. brakeless from 1000 - 150 rpm selectable	+
Auto lid open, switchable	+; +
Accoustic signal, switchable	+; +
Signal length preselectable	+
Optical display stillstand	+
Counting cycles centrifuge, each rotor	+; +
Pop up window end of rotor life time	+
Automatic lid opening at the end of the run, switchable	+; +
All rotors pre programmed speed, g-force, radius	+
Max. radius decreaseable	+
Calculation for liquid density >1.2 g/cm3	+
Start delay	+
Controlunit lockable	+
Code protection	+
Run monitoring	+
Microprocessor controlled	+

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