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Precise bioreactor controller for fermentation and cell culture processes in biotechnology and molecular diagnostics.
The Sartorius BIOSTAT STR3 Bioreactor Controller is a robust control system designed for advanced bioprocessing applications, including cell culture and microbial fermentation. It provides precise regulation of critical parameters such as pH, dissolved oxygen (DO), temperature, and agitation speed, essential for reproducible biopharmaceutical production and synthetic biology workflows.
Key features include:
Widely adopted in biotechnological research and industrial bioprocessing, the BIOSTAT STR3 plays a critical role in upstream development workflows and bioprocess scale-up strategies, making it indispensable for laboratories focused on molecular biology, biomedical engineering, and biotechnology sectors.
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 22 October 2026
The middle half of the 128 with a price runs from €218 to €5,627.
