Measuring instrument

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In physics and engineering, measurement is the activity of comparing physical quantities of real-world objects and events. Established standard objects and events are used as units, and the measurement results in a given number for the relationship between the item under study and the referenced unit of measurement. Measuring instruments are the means by which this translation is made.

Blood Pressure[edit]

Chemistry[edit]

Engineering[edit]

Flow[edit]

Frequency[edit]

General[edit]

Metrics[edit]

Radiation[edit]

River-level[edit]

See Stream gauge

Traffic[edit]