Instrument calibration refers to the process of precision testing and calibration of various instruments and equipment, i.e., through the standardization of instruments and equipment, precision testing and adjustment, so that it meets the predetermined technical requirements and accuracy standards. Instrument calibration is to ensure that the instrumentation can be accurate, stable measurement and testing of important means, but also to ensure that the quality of instrumentation and accuracy of the guarantee.
The purpose of instrument calibration is to ensure the accuracy, stability and reliability of instrumentation, so that the instrumentation can achieve more accurate measurement and testing. The significance of instrument calibration is that it can improve the use value and precision of instrumentation, reduce the error rate and uncertainty, and avoid quality problems and economic losses caused by measurement errors. At the same time, instrument calibration also helps to improve production efficiency, reduce production costs, improve product quality and reduce environmental pollution and other benefits.
The implementation of instrument calibration is generally divided into internal calibration and external calibration in two ways, internal calibration is generally calibrated by the equipment itself, while the external calibration will be calibrated by professional and technical personnel. Instrument calibration methods mainly include standard comparison method, physical measurement method, computer-aided calibration method, automated calibration method and other technical means. Among them, the standard comparison method is the most commonly used calibration method, which verifies the accuracy and stability of instrumentation by comparing it with the standardizer.