METROLOGY - RTC, Regional Training Centre - Turkey
METROLOGY - RTC, Regional Training Centre - Turkey
METROLOGY - RTC, Regional Training Centre - Turkey
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<strong>METROLOGY</strong><br />
Mass Unit and Mass Prototype<br />
Kilogram of mass units;<br />
The kilogram is defined as the weight of<br />
the alloy that is made of %90 Platinum-<br />
%10 Iridium and it’s shape is a cylinder<br />
with 39 mm diameter and 39 mm height.<br />
The density of this cylinder is 21500kg/m3<br />
density.<br />
12/10