Description
Calibration weight 1 g, OIML class M3, is an individual scale calibration weight intended for verification and adjustment of laboratory and industrial balances. Constructed from stainless steel, the weight is supplied in a protective case that shields it from dust, moisture and mechanical damage during storage and transport. Belonging to the OIML M3 accuracy class, it provides the tolerance level required for routine calibration work where high-precision reference standards are not mandatory. The single-piece unit has a nominal mass of 1 g and a net weight of 0,121 kg, making it compact and easy to handle on the balance pan. This stainless-steel calibration weight from manufacturer Ohaus forms part of a consistent series covering masses from 1 g to 10 kg, all sharing the same material and protective packaging concept. Typical applications include periodic performance checks of analytical and precision balances, quality-control stations and educational laboratories that follow OIML recommendations. The Swiss origin underlines the metrological pedigree of the product while the certificate confirms traceability to the stated class.
This article is part of Calibration & test weights, in Balances & scales.
Key features
- Pack size: 1 pc
- Product type: OIML Individual Scale Calibration Weights
- Nominal mass: 1 g
- Weight class: M3
- Material: Stainless steel
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Questions about Weight, 1g, OIML M3, OH, CERT
What is this article?
Weight, 1g, OIML M3, OH, CERT is the article on this page. Luminix Health distributes Ohaus for laboratory use. It sits in Calibration & test weights, inside Balances & scales, in Instruments de laboratoire.
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 Instruments de laboratoire.
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.

