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Advanced PFGE system for high-resolution DNA separation from 200 kb to over 6 Mb with programmable runs and variable angles.
The Bio-Rad CHEF-DR III Variable Angle System is an advanced pulsed-field gel electrophoresis (PFGE) system designed to separate large DNA molecules, ranging from 200 kb to over 6 Mb, with high resolution and efficiency. By integrating Clamped Homogeneous Electric Fields (CHEF) and Programmable Autonomously Controlled Electrodes (PACE) technologies, this instrument allows precise control over electrophoresis conditions, enabling researchers to achieve optimal DNA separations.
Key features include:
This system is widely utilized in molecular biology, genomics, and biotechnology research for applications such as chromosomal mapping, genomic DNA analysis, and molecular karyotyping. It is commonly employed in university laboratories, biomedical research centres, and biotechnology companies. The CHEF-DR III system remains relevant and in use as of 2025, continuing to support advancements in DNA analysis and bioprocessing research.
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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
