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In daily use, proper maintenance of precision digital pressure gauges is essential, including regular inspections and cleaning. The general calibration interval for precision digital pressure gauges is half a year. Mandatory calibration is a legal measure to ensure the reliable technical performance of digital pressure gauges, accurate value transmission, and effective protection of safe production. The accuracy of precision digital pressure gauges for use in industrial applications is expressed as a percentage of the allowable error relative to the maximum value on the gauge scale. The accuracy class is usually indicated on the dial; when selecting a digital pressure gauge, the accuracy should be determined based on the pressure requirements of the equipment and its actual operational needs. To enable operators to read the pressure value accurately, the diameter of the dial on digital pressure gauges should not be too small; if the gauge is installed at a high height or far away from the work station, the diameter of the dial should be increased. If the medium to be measured by a precision digital pressure gauge is corrosive, it is essential to select appropriate elastic element materials based on parameters such as the temperature and concentration of the corrosive medium; otherwise, the desired results will not be achieved. Digital pressure gauges installed on boilers and pressure vessels should have a maximum range that is appropriate to the operating pressure of the equipment. The range of digital pressure gauges is generally 1.5 to 3 times the operating pressure of the equipment; 2 times is the optimal value. If the range of the digital pressure gauge selected is too large, for digital pressure gauges with the same precision, the larger the range, the greater the absolute value of the allowable error as well as the deviation visible to the eye, which affects the accuracy of the pressure readings ； Conversely, if the range of the digital pressure gauge selected is too small and the operating pressure of the equipment is equal to or close to the scale limit of the digital pressure gauge, the elastic elements within it will remain in a state of maximum deformation for an extended period, which can lead to permanent deformation. This, in turn, results in increased errors and a reduced service life for the digital pressure gauge. Furthermore, the range of digital pressure gauges is too small; in the event of overpressure, the pointer moves past the maximum scale and approaches zero, which can lead operators to make mistakes and result in more serious accidents. Therefore, the operating pressure range of digital pressure gauges should not exceed 60–70% of the scale limit. For more information, please visit the company’s official website at http://www.yb1518.com/. Please retain this link when reproducing the content!