How close a measurement is to the actual or "true" value.
A "good" measuring instrument is defined by several technical standards that ensure the reliability of its data: measuring instrument
The consistency of results when the same input is measured multiple times under the same conditions. How close a measurement is to the actual or "true" value
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 . measuring instrument
Instruments are generally categorized by the specific physical quantity they measure:
The smallest increment of input or output that can be discriminated by the device.
The smallest change in the input signal that the instrument can detect and display.