Description
Weight set, 500 mg–1 mg, OIML F1 is a compact OIML calibration weight set covering the milligram range from 500 mg down to 1 mg for fine laboratory and metrology tasks. Weights from 1 g to 1 kg in the related series are manufactured from Troemner Alloy 8 stainless steel, characterised by a strictly controlled density of 8,03 g/cm³, extremely low magnetic susceptibility, and good stability with corrosion resistance. The set is delivered in a high-quality case that keeps the small weights safe, clean and dust-free, protecting accuracy and service life. Weight surfaces meet or exceed OIML R 111 and feature a high-gloss, mirror-smooth finish that makes scratches and foreign particles easy to detect while supporting long-term stability. Adjusted weight sets of this type fulfil or surpass the tolerances of OIML classes E1, E2, F1 and F2; the present configuration is specified to OIML class F1. From manufacturer Ohaus as an OIML Calibration Weight Sets product, the assembly has a net weight of 0,00111 kg and a gross weight of 0,681 kg, making it a practical reference tool for precision weighing environments.
This article is part of Calibration & test weights, in Balances & scales.
Key features
- Pack size: 1 set
- Density: 8,03 g/cm³
- Weight range: 500 mg–1 mg
- OIML class: F1
- Material: Troemner Alloy 8 stainless steel
- Product type: OIML Calibration Weight Sets
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Questions about Weight Set OIML 500mg-1mg CLF1 NoCert TR
What is this article?
Weight Set OIML 500mg-1mg CLF1 NoCert 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.
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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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

