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Thermo Scientific ST40 Benchtop Centrifuge
Maximum Capacity 4 x 750ml
- Versatile separation capabilities for human, chemical, and environmental samples
- Maintenance-free induction motor for quiet, low-vibration operation
- Unlimited runtime for extended experimental needs
- User-friendly control panel for pre-setting speed, RCF, runtime, temperature, and profiles
- Safety features include lid lock, electronic imbalance detection, and rotor recognition system
- Noise level under 64 dB at maximum speed for comfortable lab environments
- Compact dimensions for easy benchtop placement
The ST40 Centrifuge can be used to separate materials of different density or particle size in a liquid by generation of Relative Centrifugal Force such as human samples (blood, urine, and other body fluids) alone or with additives, other chemicals, and environmental samples. It has a maintenance-free induction motor that runs quietly with low-vibration operations at high speeds. The set speed can be reached in seconds. It can run at a speed of 300 rpm to 15,200 rpm (depending on rotor) with an unlimited runtime. The maximum RCF value is 25,314 x g. There is a user-friendly control panel to pre-set the speed, RCF value, runtime, temperature and a running profile. Various safety features include a lid with a view port and lock that only open when on and the rotor has reached a full stop, an electronic imbalance recognition, and an integrated rotor detection system ensuring no inadmissible speed settings are preselected. We may have different adapters available depending on the rotor chosen with this centrifuge. If the selected rotor includes adapters that will not work for your application, please inquire.Please confirm the selected rotor meets your application needs and request a different rotor, if necessary. Available rotors can be found in our Rotor Compatibility Guide.
The Thermo Scientific ST40 Benchtop Centrifuge includes:
- > Rotor Selected Above
- > NIST Centrifuge Calibration and Preventative Maintenance Report
- > Power Cord
- > Operator's Guide
- > Full 180 Day Parts and Labor Warranty
Thermo Scientific ST40 Benchtop Centrifuge Specifications
Max. Speed (n max.)
Min. Speed (n min.)
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15200 rpm (depending on the rotor)
300 rpm
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Running time
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Unlimited
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Maximum RCF value at n max.
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25314 x g
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Maximum kinetic energy
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< 62.5 kJ
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Noise level at maximum speed
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< 64 dB (A)
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Permissible ambient temperature
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+2 C to +35 C
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Heat dissipation
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230V- 5800 BTU/h
120V- 4776 BTU/h
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Dimensions (H x W x D)
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360 mm x 550 mm x 670 mm ventilated
360 mm x 745 mm x 670 mm refrigerated
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Table op height
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310 mm
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Weight without rotor
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86 kg
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Environmental conditions
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- max. relative humidity 80% up to 31 C; decreasing
linearly up to 50% relative humidity at 40 C.
- Use in interior spaces
- Altitudes of up to 2,000 m above sea level
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Refrigeration
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No Refrigeration
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Click Here to Expand Rotor Specifications
TX-750 Rotor Specs
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Capacity
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4 x 750 mL bottles
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Max RPM
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4,700
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Max RCF
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4,816 x g
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Fiberlite F-15-6x100Y Rotor Specs
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Capacity
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6 x 100 mL Tubes
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Max RPM
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15,000
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Max RCF
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24,652 x g
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M-20 Microplate Rotor Specs
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Capacity
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2 x 3 Standard or 2 x 1 Deepwell Plates
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Max RPM
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4,000
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Max RCF
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2,272 x g
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Bioliner Rotor Specs
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Capacity
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4 x 750 mL bottles
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Max RPM
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3,500
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Max RCF
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2,739 x g
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TX-1000 Rotor Specs
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Capacity
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4 x 1000 mL Bottles
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Max RPM
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3,800
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Max RCF
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3,374 x g
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- Door Latch Assembly Checked for Full Function
- Door Hinges are Checked and Lubed as Needed
- Drive Belt is Checked for Rips and Tears and Replaced if Needed
- Rotors and O-rings are Lubed as Needed
- Lamps and Display are Checked and Replaced if Dim
- Line Cord is Checked Signs of Fray or Damage and Replaced Accordingly
- Internal Circuitry is Checked for Faulty/Shorted Components and Replaced Accordingly
- Confirm the power supply output voltages match specified requirements for stable distribution to all internal components
- Measure and verify voltages at PCB test points to ensure accurate power delivery and circuit integrity
- Confirm rotor compatibility with the centrifuge model and check that rotor detection systems recognize the rotor type
- Inspect the exterior for any cosmetic or structural damage that could affect performance or safety
- Check the door mechanism alignment to ensure secure and smooth opening and closing
- Inspect and replace the gas strut with an OEM part to maintain proper door support and safety
- Examine the rotor chamber bowl for dents or damage and replace as needed to ensure safe operation
- Replace and confirm full functionality of all lid lock switches to maintain secure closure
- Inspect and lubricate the door lock mechanism, applying grease to the lid lock rail for smooth operation
- Test compressor functionality (if applicable) to ensure proper operation and consistent temperature control
- Conduct an 8-12 hour cycle test to validate consistent performance over prolonged use
- Confirm rotor motor stability, check for unusual noise, and assess mechanical integrity during operation
- Inspect the condensation drain and clear any clogs to prevent moisture buildup in the rotor chamber
- Verify RPM accuracy using an NIST-traceable tachometer and perform calibration as necessary
- Check the centrifuge error log to ensure zero recorded issues, confirming system reliability
Technician Inspection and Recertification Checklist: Centrifuges
The Following Checklist Is to Be Performed on All Incoming and Outgoing Pieces of Equipment
Task |
Completed? |
Remarks? |
Confirm power supply output voltages match specified requirements |
Completed |
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Measure and verify voltages at PCB test points for accuracy |
Completed |
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Confirm rotor compatibility and detection for proper identification |
Completed |
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Inspect exterior for cosmetic or structural damage |
Completed |
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Check door mechanism alignment for secure opening and closing |
Completed |
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Inspect and replace gas strut with OEM part as needed |
Completed |
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Examine rotor chamber for dents or damage and replace if necessary |
Completed |
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Replace and confirm functionality of all lid lock switches |
Completed |
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Lubricate door lock mechanism and lid lock rail for smooth operation |
Completed |
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Test compressor (if applicable) for proper operation and cooling |
Completed |
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Run 8-12 hour cycle test to ensure consistent performance |
Completed |
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Check rotor motor for stability, noise, and integrity |
Completed |
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Inspect and clear condensation drain to prevent buildup |
Completed |
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Verify RPM accuracy with NIST traceable tachometer and calibrate |
Completed |
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Check centrifuge error log for zero recorded issues |
Completed |
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To View More of Our Recertification Protocol Click Here
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