Description
The OIML 20 mg Class F2 one-piece calibration weight is an individual reference standard for verifying and calibrating precision balances in laboratory environments. It meets or exceeds the tolerances defined in OIML R 111 and presents a high-gloss polished, mirror-smooth surface that makes scratches and foreign particles clearly visible while supporting long-term stability. Constructed from Troemner Alloy 8 stainless steel with a strictly controlled density of 8,03 g/cm³, the weight exhibits extremely low magnetic properties together with good stability and corrosion resistance. Measuring 6,25 mm in width, 3,35 mm in height and 5,66 mm in depth, the nominal 20 mg unit is supplied as a single piece in a high-quality protective case that keeps it secure, clean and dust-free. This configuration from manufacturer Ohaus arrives without a calibration certificate and is intended for routine Class F2 calibration tasks. Packaged gross weight is 0,37 kg with a net weight of 0,02 kg, facilitating straightforward handling and storage in laboratory settings.
This article is part of Calibration & test weights, in Balances & scales.
Key features
- Pack size: 1 pc
- Nominal mass: 20 mg
- OIML class: F2
- Product type: OIML Individual Calibration Weights
- Width: 6,25 mm
- Height: 3,35 mm
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Questions about Weight 1P OIML 20mg CLF2 No Cert TR
What is this article?
Weight 1P OIML 20mg CLF2 No Cert TR is the article on this page. Luminix Health distributes Ohaus for laboratory use. It sits in Calibration & test weights, inside Balances & scales, in Lab instruments.
A test weight is a mass of a stated class, used to check a balance. The class sets the tolerance. A weight that is dirty, or that has been handled with bare fingers, is no longer that class. The certificate ties the weight to a standard.
A balance compares a mass with a standard. An analytical balance reads to 0.1 mg or finer and needs a draft shield and a stable bench. A precision balance is coarser and faster. A platform scale takes a heavier load. The reading is only as good as the calibration chain back to the kilogram, which is why test weights and a certificate exist. A moisture analyser is a balance with a heater: it records the loss of mass as water leaves. The unit of mass is kept by the BIPM, compared across Europe by EURAMET, and accredited by BELAC. NIST publishes the same measurement foundations.
Which category should I open next?
The category is Balances & scales. The sub-category is Calibration & test weights. The catalogue is Lab instruments.
Shelves beside this one are Precision balances, Balance accessories, calibration & certificates, Bench, platform & industrial scales, Analytical balances and Moisture analysers.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

