Price on request
In stock
Can't find what you're looking for?
Accurate M1 class 5g stainless steel calibration weight by ZWIEBEL.
The ZWIEBEL 5g Calibration Weight is crafted from stainless steel and conforms to class M1 standards, ensuring high precision in laboratory settings. This calibration weight features a mass of 5 grams with a maximum permissible error of ± 1.6mg, making it ideal for use with precision balances. Weighing accuracy is verified on a balance with a resolution of 0.01g (10mg). Supplied in its protective plastic box, this weight remains uncalibrated, providing users with the flexibility to calibrate as needed for specific applications.
Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.
We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.
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
