Measuring instruments are specialized devices used to quantify physical properties—such as length, mass, time, and temperature—ensuring accuracy and fairness in both industrial and daily activities. These tools range from simple rulers to high-precision coordinate measuring machines .
Instruments are generally categorized by the specific physical quantity they measure: measuring instrument
The smallest change in the input signal that the instrument can detect and display. A "good" measuring instrument is defined by several
A "good" measuring instrument is defined by several technical standards that ensure the reliability of its data: measuring instrument
The ability of the device to maintain its original performance and position over time. Common Categories of Instruments
How close a measurement is to the actual or "true" value.
The smallest increment of input or output that can be discriminated by the device.