Liquid density meter
Sku: JJG42-20
Liquid density meter
Sku: JJG42-20
$CAD 300.00
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- A specific gravity meter is an instrument used to measure the density of a liquid, based on Archimedes' law and the condition that an object is in equilibrium when floating on a liquid surface. It is a sealed glass tube with uniform thickness on one end and a scale paper on the inner wall. The scale is uneven and sparse on the top and dense on the bottom. The other end is slightly enlarged into a bubble shape with small lead particles inside, allowing the glass tube to vertically immerse into the liquid being tested to a sufficient depth and stably float in the liquid. That is, when it is shaken, it can automatically return to a vertical static position. When a specific gravity meter floats in a liquid, its own gravity is equal to the gravity of the liquid it displaces. So immersion in different liquids at different depths results in different pressures, and the specific gravity meter uses this relationship to calibrate.
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