GB/T 34873-2017 in English

This standard provides detailed guidelines for the calibration of vacuum gauges by direct comparison with a standard vacuum gauge. It outlines the procedures, equipment requirements, and measurement techniques necessary to ensure accurate and consistent results. The document specifies the conditions under which calibrations should be performed, including environmental factors and operational parameters. It also includes recommendations for traceability and uncertainty analysis. The standard is structured to support both manufacturers and users in maintaining the reliability and performance of vacuum measurement systems. The content covers calibration methods, reference materials, and validation processes to ensure the accuracy of vacuum measurements across various applications.