Centrifuge Buying Guide

Procurement Starting Point

Centrifuge procurement for rotor type, speed, imbalance protection, biosafety, maintenance, and acceptance checks.

Specify the tubes, volumes, RCF and biosafety containment required, then select the exact rotor/bucket/adapter package; test imbalance, lid lock, braking, temperature, and cleaning access.

Separate mandatory clinical applications from optional software packages. Require site-planning documents, high-cost component warranty, DICOM testing, and acceptance image-quality baseline before award.

Clinical use should define modality-specific cases, patient volume, reporting workflow, emergency use, contrast workflow where relevant, and image storage/retrieval expectations.

Define Before Buying

• Clinical use should define modality-specific cases, patient volume, reporting workflow, emergency use, contrast workflow where relevant, and image storage/retrieval expectations.
• Review patient scheduling, preparation, acquisition, image reconstruction/review, DICOM transfer, reporting, archiving, repeat-image handling, cleaning, and downtime response.
• Confirm power, UPS policy, HVAC, shielding or MRI safety zoning, room size, control area, floor loading, delivery route, network drops, PACS/RIS readiness, and service clearance.
• Replace when rotor corrosion/life limits or lid/imbalance safety are uncertain, speed/temperature stability declines, drive/refrigeration faults recur, or compatible rotors and parts are unsupported.

User Requirement Checklist

• Review patient scheduling, preparation, acquisition, image reconstruction/review, DICOM transfer, reporting, archiving, repeat-image handling, cleaning, and downtime response.
• Radiology users should test positioning, protocol selection, image review, dose or safety indicators, report/export workflow, contrast workflow where applicable, and ergonomic impact during peak lists.
• Demonstrate sample loading, calibration/QC, result review, error handling, LIS transfer, cleaning/decontamination, and daily shutdown.
• Laboratory and biomedical teams should review reagent storage, expiry, QC failure response, and service report examples.

Mandatory vs Preferred Specifications

Mandatory requirements

• Specify rotor type, maximum RCF and RPM by rotor, capacity and tube adapters, imbalance and lid-lock protection, acceleration/braking profiles, refrigeration range if required, aerosol-tight options, timer, noise, and rotor-life tracking.
• Image-chain configuration, clinical application package, dose or safety controls where relevant, workstation/reporting workflow, DICOM/PACS/RIS connectivity, cybersecurity, and site planning requirements should be specified.
• High-cost components such as tube, detector, probe, coil, workstation, injector head, chiller, software licenses, and service tools should have clear warranty and replacement pricing.
• Test menu or functional purpose, throughput, sample capacity, calibration/QC method, reagent/consumable requirements, data export/LIS interface, and user permission controls.
• Environmental requirements including temperature, humidity, ventilation, bench/floor space, water/drain where relevant, power, UPS policy, and biosafety workflow.
• Service support covering PM, calibration, QC troubleshooting, reagent availability, critical spare parts, and downtime workaround.

Preferred or optional requirements

• Autoloading, barcode workflow, bidirectional LIS, expanded assay menu, onboard refrigeration, remote diagnostics, or backup analyzer strategy.
• Extended reagent/consumable pricing lock, QC package, or application support.

Configuration Choices

• Include exact rotors, buckets, adapters by tube, aerosol-tight lids/seals where required, spare seals, tube cushions, rotor removal tools, balance scale, cleaning brushes, and refrigerated temperature-verification accessories.
• Price QA phantoms, positioning aids, probes/coils/detectors where applicable, injector accessories, software licenses, workstations, UPS/chiller items, DICOM licenses, and startup consumables.
• Specify the tubes, volumes, RCF and biosafety containment required, then select the exact rotor/bucket/adapter package; test imbalance, lid lock, braking, temperature, and cleaning access.
• Separate mandatory clinical applications from optional software packages. Require site-planning documents, high-cost component warranty, DICOM testing, and acceptance image-quality baseline before award.

Vendor Comparison and Demonstration

Vendor comparison points

• Vendor can demonstrate full patient-to-PACS workflow, QA process, error-log/service process, software licenses, high-cost component coverage, and uptime response.
• Define test menu, throughput, sample type, reagent model, calibration/QC workflow, LIS connectivity, environmental limits, power backup need, biosafety considerations, and downtime plan.
• Compare analyzer cost with reagent, QC, calibrator, controls, service, calibration, temperature monitoring, and software/interface costs.

Demonstration questions

• Demonstrate sample loading, calibration/QC, result review, error handling, LIS transfer, cleaning/decontamination, and daily shutdown.
• Laboratory and biomedical teams should review reagent storage, expiry, QC failure response, and service report examples.

Technical Evaluation Criteria

• Specify rotor type, maximum RCF and RPM by rotor, capacity and tube adapters, imbalance and lid-lock protection, acceleration/braking profiles, refrigeration range if required, aerosol-tight options, timer, noise, and rotor-life tracking.
• Image-chain configuration, clinical application package, dose or safety controls where relevant, workstation/reporting workflow, DICOM/PACS/RIS connectivity, cybersecurity, and site planning requirements should be specified.
• High-cost components such as tube, detector, probe, coil, workstation, injector head, chiller, software licenses, and service tools should have clear warranty and replacement pricing.
• Vendor can demonstrate full patient-to-PACS workflow, QA process, error-log/service process, software licenses, high-cost component coverage, and uptime response.

Accessories, Consumables and Options to Price

• Include exact rotors, buckets, adapters by tube, aerosol-tight lids/seals where required, spare seals, tube cushions, rotor removal tools, balance scale, cleaning brushes, and refrigerated temperature-verification accessories.
• Price QA phantoms, positioning aids, probes/coils/detectors where applicable, injector accessories, software licenses, workstations, UPS/chiller items, DICOM licenses, and startup consumables.
• Reagents, controls, calibrators, sample cups/tubes, racks, rotors, pipettes/adapters, printer/barcode accessories, UPS where justified, and startup consumables.
• Temperature logs, calibration tools, waste containers, cleaning materials, and documentation binders.

Site Responsibility Matrix

• Confirm power, UPS policy, HVAC, shielding or MRI safety zoning, room size, control area, floor loading, delivery route, network drops, PACS/RIS readiness, and service clearance.

Warranty, Service and TCO Comparison

Warranty and service comparison

• Biomedical should review QA/phantom requirements, calibration, service access, error logs, software versions, high-cost component warranty, remote service, and downtime escalation.
• PM should include image quality QA, safety checks, calibration, software/log review, cleaning, mechanical movement checks, cooling/HVAC review, DICOM test, and baseline performance documentation.
• Request five-year reagent/consumable, QC/calibrator, PM, calibration, spare-parts, application support, labor, travel, and post-warranty pricing.
• Define support for QC failure, interface downtime, reagent stockout, emergency service, and loaner or backup workflow where critical.

Total cost of ownership items

• Centrifuge TCO includes rotors/buckets/adapters, seals and lids, motor/drive service, refrigeration, calibration of speed/time/temperature, rotor retirement, corrosion damage, and downtime for a shared laboratory unit.
• TCO includes high-cost components, room works, power/HVAC, QA tools, software licenses, service contract, tube/probe/coil/detector risk, downtime, upgrades, and PACS storage.

Replacement and upgrade exposure

• Replace when rotor corrosion/life limits or lid/imbalance safety are uncertain, speed/temperature stability declines, drive/refrigeration faults recur, or compatible rotors and parts are unsupported.
• Replace when image quality, dose/safety, software security, parts support, PACS compatibility, or workflow no longer meets clinical service needs.
• Trends include automatic rotor recognition and life tracking, improved imbalance detection, quieter drives, energy-efficient refrigeration, and connectivity for run records.
• Relevant trends include AI reconstruction, dose reduction, automated workflow, cybersecurity patching, remote service, structured reporting, and improved detector/probe technology.

Acceptance Requirements Before Award

• Acceptance should verify delivered configuration, software licenses, image quality baseline, dose or safety baseline where relevant, DICOM/PACS/RIS workflow, accessories, training, warranty, and PM schedule.
• Acceptance should include installation qualification, calibration/QC records, LIS transfer test, temperature/environment record, training, manuals, reagent startup stock, and PM schedule.
• Do not accept until QC and connectivity are demonstrated with the hospital's actual workflow.

Common Buying Mistakes

• Do not quote RPM without RCF and rotor radius, or buy a centrifuge body without the exact rotor, buckets, adapters, aerosol containment, rotor-life policy, and replacement prices.
• Buying imaging equipment without PACS/RIS testing and site responsibility matrix.
• Ignoring tube/probe/coil/detector warranty, software licenses, QA tools, HVAC, and room readiness.

Buyer Checklist

• Specify the tubes, volumes, RCF and biosafety containment required, then select the exact rotor/bucket/adapter package; test imbalance, lid lock, braking, temperature, and cleaning access.
• Separate mandatory clinical applications from optional software packages. Require site-planning documents, high-cost component warranty, DICOM testing, and acceptance image-quality baseline before award.
• Vendor can demonstrate full patient-to-PACS workflow, QA process, error-log/service process, software licenses, high-cost component coverage, and uptime response.
• Acceptance should verify delivered configuration, software licenses, image quality baseline, dose or safety baseline where relevant, DICOM/PACS/RIS workflow, accessories, training, warranty, and PM schedule.