hydrometer

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.

Wikidata facts

Image: Saccharometer.jpg

Show 1 more fact

Commons category: Hydrometers

Sources (1)

wikidata.org

via Wikidata · CC0

~12 min read

Article

19 sections

Contents

History
Ranges
Scales
Specialized hydrometers
Alcoholometer
Lactometer
Saccharometer
Thermohydrometer
Battery hydrometer
Antifreeze tester
Acidometer
Barkometer
Salinometer
Urinometer
Gallery
Use in soil analysis
See also
References
Sources

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.

A hydrometer or lactometer is an instrument used for measuring density or relative density of liquids based on the concept of buoyancy. They are typically calibrated and graduated with one or more scales such as specific gravity.