Description
The 500 g OIML E2 calibration weight with NVLAP certificate is a single reference mass intended for accurate checking and adjustment of laboratory and industrial weighing instruments. It forms part of the OIML individual calibration weights series from 1 g to 20 kg and is made of Troemner Alloy 8 stainless steel. The alloy is characterised by a strictly controlled density of 8,03 g/cm³, extremely low magnetic susceptibility, and reliable stability together with corrosion resistance. Surfaces comply with or surpass OIML R 111 and feature a highly polished, mirror-like finish that reveals scratches or contamination clearly and promotes durability. Delivered in a premium protective case from manufacturer Ohaus, the weight remains safe, clean and dust-free during storage, helping preserve long-term value. Nominal net mass is 500 g (0,5 kg), height is 63,3 mm, and gross weight is 0,908 kg. This individual calibration weight meets or exceeds OIML class E2 tolerances and supports metrology applications that require stable material properties and NVLAP-certified performance.
This article is part of Calibration & test weights, in Balances & scales.
Key features
- Pack size: 1 pc
- Density: 8,03 g/cm³
- Nominal weight: 500 g
- Accuracy class: OIML E2
- Certificate: NVLAP
- Material: Troemner Alloy 8 stainless steel
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Questions about Weight 1P OIML 500g CLE2 Accrd TR
What is this article?
Weight 1P OIML 500g CLE2 Accrd 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.

