Sorvall · Model Stratos
• The compact Sorvall® Stratos refrigerated high speed tabletop centrifuge features a whisper-quiet spindle drive -- unique for a tabletop centrifuge -- that allows 9 different fixed-angle, microliter, swinging bucket and microplate rotor types to be spun at speeds to 23,300 rpm (50,377 x g). • Spindle drive technology enables very short acceleration and braking times for faster sample throughput, and significantly extends instrument life. Imbalance sensitivity is reduced to the point where tubes can be balanced by eye alone, and sample disturbance under breaking is kept to a minimum. • Sample capacity ranges from 4 x 180 ml (or four microplates) in the instrument’s swinging bucket rotors to a maximum of 24 x 1.5 or 2 ml tubes in microliter rotors. The rotor inventory of the Stratos also spans four different biocontained fixed-angle varieties. A wide range of adapters is available for popular tube sizes down to 0.2 ml. • For processing large sample volumes - typically from bioreactors and fermentors - rapidly and reliably in a single run, our Sorvall Stratos centrifuge is available with continuous flow operation. • The Sorvall Contifuge Stratos centrifuge is a more convenient and faster solution over conventional batch separations, quickly separating large volumes of suspension with a low solid mater content, resulting in high yields. A moveable centrifuge cart makes the entire system portable. • Unique spindle drive technology for short acceleration/deceleration times and faster sample throughput • Electronic imbalance detection for reduced sample breakage • Automatic rotor recognition • EASYcontrol™ II user programmability for easy process control • RCF selection and quick run function • Dual lid-locking mechanism provides increased safety • Whisper-quiet operation won’t distract you at your work
Failure patterns typical of this equipment class - general BMET reference, not verified against this exact unit's own service history unless flagged. Severity is a category-level estimate.
Symptoms: Aspiration error, short sample, carryover.
Root cause: Clot/crystal obstruction.
Symptoms: Clogs, high blank, QC fail.
Root cause: Pump tube wear, air in line.
Symptoms: Incubator out of range.
Root cause: Failed heater/fan or sensor.
Symptoms: Low signal, wavelength drift.
Root cause: Lamp/LED or monochromator aging.
The parts a BMET typically services on this class of equipment. Service class and relative cost are general engineering estimates for the category, not figures from this unit's documentation. Part numbers appear only when pulled from this unit's own service manual. Always confirm intervals and pricing against the manufacturer.
Frequent R&R on high-throughput analyzers.
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Xenon / LED light source | Periodic replacement | $$$ | Moderate |
| Centrifuge rotor & bearings | Major service part | $$$ | Difficult |
| Incubator heater / fan | Periodic replacement | $$ | Moderate |
| Sample aspiration probe Frequent R&R on high-throughput analyzers. | Periodic replacement | $$$ | Moderate |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
A structured starting point derived from the failure modes above. Follow the manufacturer's service documentation for the actual procedure.
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
Describe a symptom or error code. Bio answers from this device's own documented error codes, failure modes, parts, and guides.
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