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High precision 100g stainless steel calibration weight, E2 class.
The ZWIEBEL 100g Class E2 INOX is a high-quality stainless steel calibration weight designed for laboratory precision. As an E2 class weight, it ensures exactitude with a maximum permissible error of ±0.16 mg, making it ideal for precise calibration tasks. Each weight is verified using a precision balance capable of measurement at 0.01 g (10 mg) accuracy, providing users confidence in its precision. It comes housed in a protective plastic box but arrives as an uncalibrated weight, necessitating professional calibration for optimal use. This weight serves as an essential tool for maintaining the accuracy and reliability of other laboratory balances and scales.
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 14 November 2026
The middle half of the 571 with a price runs from €224 to €4,025.
