比重计

Also known as areometer

thumb|upright=0.65|Schematic drawing of a hydrometer. The lower the density of the fluid, the deeper the weighted float B sinks. The depth is read off the scale A.

AI overview

A hydrometer is a simple instrument that measures the density of liquids by using a weighted float that sinks deeper or rises higher depending on how dense the fluid is. It matters because it allows people to quickly determine a liquid's density by reading a scale, which is useful in applications like brewing, winemaking, and other processes where liquid density indicates important properties.

AI-generated from the Wikipedia summary — may contain errors.

In the Vinony graph

Vinony's link graph records 251 inbound references to 比重计, and connects out to relative density, soil science and permeability.

It is catalogued under topics including Ancient Roman technology, Brewing and Density meters.

Vinony links it to 61 Wikipedia language editions.

Wikidata facts

Image: Saccharometer.jpg

Show 5 more facts

described by source: Brockhaus and Efron Encyclopedic Dictionary
Commons category: Hydrometers
measures: relative density
item operated: liquid
manifestation of: Archimedes' principle

Sources (1)

wikidata.org

via Wikidata · CC0

Article · 中文

比重计是用来测量液体的比重的装置。比重计通常用玻璃制作，上部是细长的玻璃管，玻璃管上标有刻度，下部较粗，里面放了汞或铅等重物，使它能够竖直地漂浮在水面上。测量时，将待测液体倒入一个较高的容器，再将比重计放入液体中。比重计下沉到一定高度后呈漂浮状态。在此时的液面的位置在玻璃管上所对应的刻度就是该液体的比重。

Abstract from DBpedia / Wikipedia · CC BY-SA