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High-precision DLS and ELS system measuring particle size, zeta potential, and molecular weight with advanced optics and data quality control.
The Malvern Zetasizer Nano ZS is a high-performance instrument designed for the precise measurement of particle and molecular size, zeta potential, and molecular weight. Utilising Dynamic Light Scattering (DLS) and Electrophoretic Light Scattering (ELS) technologies, this system delivers accurate and reproducible data essential for characterising nanoparticles, colloids, and biomolecules.
Key features include:
This instrument is widely employed in biotechnology, pharmaceutical development, nanotechnology, and materials science. It is particularly valuable in biopharmaceutical research for assessing protein aggregation, stability, and formulation properties. Typical users include university laboratories, biomedical research centres, and biopharmaceutical companies.
First introduced in the early 2000s, the Zetasizer Nano ZS has undergone continuous enhancements to meet evolving research demands. Its versatility and precision make it a critical tool in biopharmaceutical development, ensuring the quality and efficacy of therapeutic products.
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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 7 November 2026
