Kilogram: Perbedaan antara revisi
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Revisi per 16 Maret 2010 16.20
Kilogram (kg), adalah satuan unit SI untuk massa. 1 gram didefinisikan sebagai 1/1000 kilogram.
Pranala luar
Gambar pada pranala luar | |
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BIPM: The IPK in three nested bell jars | |
NIST: K20, the US National Prototype Kilogram, resting on an egg crate fluorescent light panel | |
BIPM: Steam cleaning a 1 kg prototype before a mass comparison | |
BIPM: The IPK and its six sister copies in their vault | |
The Age: Silicon sphere for the Avogadro Project | |
NPL: The NPL’s Watt Balance project | |
NIST: This particular Rueprecht Balance, an Austrian-made precision balance, was used by the NIST from 1945 until 1960 | |
BIPM: The FB‑2 flexure-strip balance, the BIPM’s modern precision balance featuring a standard deviation of one ten-billionth of a kilogram (0.1 µg) | |
BIPM: Mettler HK1000 balance, featuring 1 µg resolution and a 4 kg maximum mass. Also used by NIST and Sandia National Laboratories’ Primary Standards Laboratory | |
Micro-g LaCoste: FG‑5 absolute gravimeter, (diagram), used in national labs to measure gravity to 2 µGal accuracy |