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Precision 1kg M1 weight in durable stainless steel for accurate lab calibration.
The ZWIEBEL 1kg M1 INOX Calibration Weight is an essential tool for laboratories requiring precise measurements. Crafted from high-quality stainless steel, it ensures reliability and durability. With a weight tolerance of ± 50mg, this calibration weight is checked against a precision balance to an accuracy of 0.01g (10mg), providing confidence in its use for calibrating laboratory scales. Conveniently stored in its protective plastic case, it comes uncalibrated for versatility in various applications.
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.
Yes. Every verified supplier states which service partners cover the instrument, and we list that 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 19 October 2026
