Understanding Calibrators: Types and Purpose

Calibrators are reference objects or samples that are used to validate the accuracy of a measurement system. They are typically used in industries where precise measurements are critical, such as in scientific research, engineering, and quality control. Calibrators can be physical objects or digital files, and they are used to compare the measurements made by a device or instrument to ensure that they are accurate and reliable.

There are different types of calibrators, including:

1. Standard weights and measures: These are physical objects that have known weights and dimensions, and are used to validate the accuracy of measuring instruments such as scales and rulers.
2. Calibration standards: These are reference objects or samples that have known properties, such as temperature, pressure, or electrical voltage, and are used to validate the accuracy of measuring instruments such as thermometers, pressure gauges, and voltmeters.
3. Digital calibrators: These are electronic devices that generate a known signal or output, and are used to validate the accuracy of digital measuring instruments such as multimeters and oscilloscopes.
4. Calibration charts and graphs: These are graphical representations of the relationship between the input and output of a measuring instrument, and are used to validate the accuracy of the instrument over a range of inputs.
5. Software calibrators: These are computer programs that simulate the behavior of a measuring instrument and are used to validate the accuracy of the instrument over a range of inputs.

The purpose of using calibrators is to ensure that the measurements made by a device or instrument are accurate and reliable, and to detect any errors or inaccuracies in the measurement process. Calibration is an essential step in many industries, as it helps to ensure the quality and safety of products and processes.