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5g M1 class calibration weight in stainless steel for precise laboratory measurements.
The ZWIEBEL 5g Calibration Weight Class M1 INOX is a high-precision laboratory weight made from stainless steel. This product, by Zwiebelsysteme GmbH, serves as a vital tool for calibration purposes. It ensures accuracy with a maximum permissible error of ±1.6mg, guaranteeing precise results in your scientific investigations. Verified on a precision balance at 0.01g (10mg) as shown in the accompanying photo, this weight comes in its own protective plastic box. Please note that the weight is uncalibrated, suited for professionals requiring dependable weight standards in laboratory settings.
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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
