There are a lot of instruments used to measure water volume. There's also the displacement method to measure liquids.
ruler
The instrument for measuring the angles of a triangle is called a protractor.
Protractors
A ruler.
a decibel meter.
Rain Guage
A spirometer measures the amount of air in lungs
A hygrometer is a weather instrument that measures moisture in the atmosphere. It quantifies the amount of water vapor present in the air to provide information about humidity levels.
an 'ammeter'
volume
Cusec
dewpoint apparatus
A flow meter.
A hygrometer is an instrument that measures relative humidity in the air. It typically works by measuring the amount of water vapor present in the air compared to the maximum amount that the air could hold at a given temperature.
A rain gauge measures in inches because it collects and measures the amount of precipitation that has fallen in an area.
250 ml beaker
A hygrometer is used to collect humidity data. It measures the amount of water vapor in the air to determine the humidity level.