Price on request
In stock
Can't find what you're looking for?
Precision calibration weight, E2 class, 50mg, stainless steel.
The ZWIEBEL 50mg E2 Stainless Steel Calibration Weight is an essential tool for precision measurement in laboratory settings. Crafted for reliability, this 50 mg weight falls under the precision-focused E2 class, ensuring a maximum permissible error of just ± 0.012 mg. Each weight undergoes verification on a precision balance capable of measurements up to 0.0001g, ensuring unmatched accuracy. Encased in a plastic box for protection, please note that this weight is sold uncalibrated.
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.
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
