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Overhead stirrer with 280–2200 rpm range, high torque, max 20 L volume, for media up to 40,000 mPa·s viscosity.
A Heidolph RZR1 overhead stirrer designed for mixing media with viscosities up to *40,000 mPa·s* and volumes up to *20 liters*. Features include:
This unit delivers high torque at varied speeds, ensuring efficient mixing within short time frames.
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.
Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options 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 November 2026
The middle half of the 196 with a price runs from €100 to €981.
1 other listing of this model is available.
