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Precision 100mg stainless steel weight, Class F1, by ZWIEBEL.
The ZWIEBEL 100mg F1 Calibration Weight is made of durable stainless steel, designed for precise laboratory applications. This calibration weight adheres to F1 classification standards with a maximum permissible error of ±0.05mg, ensuring accuracy in weight measurement processes. Each weight has been verified on a precision balance with an accuracy of 0.0001g (0.1mg), as depicted in the accompanying photograph. The weight is housed in a protective plastic box and is intended for professional use, without pre-existing calibration.
Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.
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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 3 November 2026
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