ไฮโดรมีเตอร์
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.