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F1 stainless steel calibration weight, 10 mg, 0.025 mg max error.
The ZWIEBEL Calibration Weight 10mg Class F1 is a precision instrument crafted from stainless steel, ideal for laboratory calibration purposes. With a nominal weight of 10 mg and adhering to Class F1 standards, it ensures accuracy with a maximum permissible error of ± 0.025 mg. Each weight is verified using a precision balance with a sensitivity of 0.0001 g (0.1 mg) to guarantee reliability, as evidenced by the accompanying photo. This weight is supplied in a protective plastic box, although it remains uncalibrated.
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 5 November 2026
