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Thermo Scientific ST8R Refrigerated Benchtop Centrifuge
Maximum / Minimum RPM
300 / 17,850
Temperature Range
-10C to +40C
- Thermo Scientific's Auto-Lock enables secure, push-button rotor exchange in seconds, simplifying installation and cleaning.
- Versatile swing-out capacity for 8 x 50mL conical tubes, 24 x 5/7mL blood tubes, microplates, and microtubes.
- Fixed angle options for spinning 50mL tubes over 12,000 x g and a range of microtubes up to 30,279 x g.
- Quiet operation, as low as 52 dBA, for a peaceful lab environment.
- One-touch operation with saved protocols and a backlit display for easy parameter visibility.
- User-friendly interface, compatible with gloves and detergents, offering multilingual instructions.
The Thermo Scientific ST8R Refrigerated Benchtop Centrifuge is extremely versatile and user-friendly with innovative auto-lock rotor exchange technology, imbalance detection, and biocontainment sealing options. With one-touch operation, low noise levels, a highly visible backlit display, and conformance to the latest clinical and safety standards, the ST8R is an easy-to-use unit, applicable to any lab. Reach maximum speeds up to 17,850 RPM with a maximum RCF of 30,279 x g. The ST8R is ideal for clinical and research applications, accommodating 24 x 5/7ml blood tubes at a time or 8 x 50ml swinging bucket rotor capacity (including capacity up to four microplates or 30 filtration columns). 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. All of our equipment is in excellent condition and will be fully tested to perform at factory specifications before being shipped.
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 ST8R Refrigerated Benchtop Centrifuge includes:
- > Rotor Selected Above
- > NIST Centrifuge Calibration and Preventative Maintenance Report
- > Power Cord
- > Operator's Manual
- > Full 180 Day Parts and Labor Warranty
Thermo Scientific ST8R Refrigerated Benchtop Centrifuge Specifications
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Maximum Speed
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17,850 RPM (fixed angle rotor)
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Minimum Speed
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300 RPM
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Maximum RCF
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30,279 x g
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Maximum Kinetic Energy
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10.1 kJ
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Running Time
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99 h 59 min 50 sec, hold
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Temperature Range
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-10C to 40C
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Dimensions (H x W x D)
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320 x 460 x 670 mm
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Click Here to Expand Rotor Specifications
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TX-150 Rotor Specs
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Capacity
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4 x 145 mL bottles
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Max RPM
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4,500
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Max RCF
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3,260 x g
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M-10 Rotor Specs
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Capacity
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4 microplates
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Max RPM
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4,400
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Max RCF
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2,576 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 for 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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