精密計器.
a gauge consisting of a circular graduated dial and a pointer actuated by a member that contacts with the part being calibrated, called dial gauge
an instrument used as a gauge
an instrument used to measure angles
a hydrometer whose degrees are calibrated in accordance with a Baume scale, called Baume hydrometer
a measuring device used for weighing the mass of something
an instrument for measuring an electric current, called ammeter
an instrument used to measure force or power
a device used to measure water levels