In order to get the valid data needed to maintain the job, we need to perform regular calibration of the pressure gauge. For individuals, the highest accuracy is not necessarily required, and a pressure calibration stand is essential to ensure the safety and quality of workers around the pressure gauge. In industrial applications, however, this is the key factor that differentiates high-quality products from rejects. Therefore, the calibration of pressure instruments is very important to ensure that the measuring equipment meets the requirements of national standards.

For many applications, it is important to ensure that the corresponding measurement values of the measuring instrument are accurate. For example, ISO 9000 requires monitoring of the deviations of the test equipment used.