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The Sigma 4-16KS is a benchtop refrigerated centrifuge designed for a wide range of laboratory applications including clinical diagnostics, molecular biology, and bioprocessing workflows. Key features include:
This centrifuge is critical in biotechnology and biomedical engineering workflows, supporting essential protocols in cell imaging sample prep, DNA/RNA isolation, and biopharmaceutical production pipelines. Its reliability and controlled refrigeration make it a popular choice among molecular biology researchers and clinical laboratories requiring reproducible centrifugation performance.
Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.
We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.
We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.
With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
Tell us what you need and a scientist finds it for you, usually within the hour.
Last updated 4 September 2026
1 other listing of this model is available.
