SY/T 6909-2019 in English

This standard specifies the technical requirements, testing methods, and performance criteria for devices used in the measurement and calibration of pressure in the petroleum industry. It covers the design, construction, and operational parameters of the testing equipment, ensuring accurate and reliable pressure measurements under various conditions. The document outlines procedures for verification, calibration, and maintenance of the devices, as well as the environmental conditions under which they should function. It also includes requirements for safety, durability, and compatibility with other systems commonly used in the field. The standard is intended to support consistent quality and performance of pressure measurement instruments, facilitating their application in different stages of oil and gas operations. Detailed specifications are provided to guide manufacturers, users, and testing authorities in the proper use and evaluation of these devices.