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本文介绍了德国PTB、英国NPL、墨西哥CENAM、韩国KRISS、意大利CENAM、日本NMIJ、中国计量科学研究院和国防科技工业真空一级计量站的静态膨胀法真空标准的发展概况,对其前级标准,结构特点和性能指标进行了评述。
This article introduces the development of vacuum standards for static expansion method of PTB in Germany, NPL in UK, CENAM in South Korea, KRISS in South Korea, CENAM in Italy, NMIJ in Japan, China National Institute of Metrology and National Defense Science and Technology, , Structural characteristics and performance indicators were reviewed.