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Laboratory rotator Model 4631 with adjustable speed, 120 V, 50 W power for precise sample mixing in biotechnology.
The Lab-Line Maxi Rotator Model 4631 is a reliable laboratory rotator designed for mixing and rotating biological and chemical samples. Featuring an adjustable speed control knob, it provides precise agitation essential for molecular diagnostics, bioprocessing, and synthetic biology research workflows. This benchtop sample mixer operates at 120 V and consumes 50 W, suitable for standard voltage environments with 50/60 Hz frequency compatibility.
Key technical features include:
Widely used in clinical diagnostics and cell imaging sample preparation, this rotator supports continuous mixing necessary for live-cell imaging and biochemical assays. Its functionality is critical in biopharmaceutical production pipelines requiring uniform sample agitation and consistency.
This rotator is assembled in Malaysia and designed for long-term use in research laboratories focused on biotechnology, neuroscience, and biomedical engineering fields.
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 19 October 2026
The middle half of the 3,026 with a price runs from €65 to €1,488.
