Custom engraving available! 1/2 scale replica of the International Prototype of the Kilogram.
The "KPR-H type" is a 1/2 scale replica of the international kilogram prototype. The international kilogram prototype is a standard defined internationally in 1889 that indicates a mass of 1 kilogram. It is strictly stored in a double-sealed container, protected in a vacuum, at the International Bureau of Weights and Measures (BIPM) located in Sèvres, near Paris, France. The material of the prototype in this product is non-magnetic stainless steel with a mirror finish. It is ideal as a gift or commemorative item for those involved in measurement. 【Features】 ■ 1/2 scale replica of the international kilogram prototype ■ Custom engraving for gifts (plate) is also available separately ■ Options: wooden display stand, transparent resin case For more details, please refer to the catalog or feel free to contact us.
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【Specifications】 ■ Material of the reference weight: Non-magnetic stainless steel, mirror finish (The reference weight does not have the function of a measuring instrument) ■ Material of the bell jar: Glass ■ Material of the base and legs: Brass and aluminum ■ Total weight: Approximately 770g *For more details, please refer to the catalog or feel free to contact us.
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【Purpose】 ■ Commemorative gifts for the establishment, long service, and retirement of measurement-related companies and organizations ■ Gifts for individuals involved in measurement ■ Items for promoting and educating about measurement *For more details, please refer to the catalog or feel free to contact us.
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On November 4, 2009 (Wednesday), we began selling the first domestic JIS-marked weights. (The existing OIML standard weights will now bear the JIS mark.)