SMV, Nihonshudo, Sake Meter Value

SMV

Various hydrometers used for
measuring the nihonshu-do, or SMV.

SMV

A view of the hydrometer “in action.”

SMV

A closer view. Note how zero can be read at the liquid level.
This indicates a density equal to that of pure water.

SMV

A modern instrument that reads
these numbers automatically, and faster.