{"product_id":"gbt21487-1-2008","title":"GB\/T 21487.1-2008 English PDF (GB\/T21487.1-2008)","description":"\u003ch1\u003eGB\/T 21487.1-2008: Rotating shaft vibration measuring systems -- Part 1: Relative and absolute sensing of radial vibration\u003c\/h1\u003e\u003cb style=\"font-size:16px;\"\u003eDelivery:\u003c\/b\u003e 9 seconds. Download (and Email) true-PDF + Invoice.\u003cbr\u003e\u003cb style=\"font-size:16px;\"\u003eGet Quotation:\u003c\/b\u003e Click \u003ca style=\"color: blue;\" href=\"https:\/\/www.chinesestandard.net\/Cart\/Cart.aspx?GB\/T%2021487.1-2008_English\" rel=\"nofollow\"\u003eGB\/T 21487.1-2008\u003c\/a\u003e (Self-service in 1-minute)\u003cbr\u003e\u003cb style=\"font-size:16px;\"\u003eNewer \/ historical versions: \u003c\/b\u003e \u003ca style=\"color: blue;\" href=\"https:\/\/www.chinesestandard.net\/PDF.aspx\/GBT21487.1-2008\"\u003eGB\/T 21487.1-2008\u003c\/a\u003e\u003ch2\u003ePreview True-PDF\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.chinesestandard.net\/Preview_PDF.aspx\/GBT21487.1-2008\" width=\"445\" height=\"600\" title=\"GB\/T 21487.1-2008 True-PDF\"\u003e\u003c\/iframe\u003e \u003cbr\u003e\u003ch2\u003eScope\u003c\/h2\u003eThis part of GB\/T 21487 gives details of how to obtain reproducible measurement \u003cbr\u003eresults in order to enable the monitoring and evaluation of shaft vibrations according to \u003cbr\u003ethe GB\/T 11348 series. As such, it is concerned primarily with the measurement of shaft \u003cbr\u003evibrations for large machines (e.g. steam turbine generator sets, gas turbines, industrial \u003cbr\u003eturbosets, hydraulic machines). \u003cbr\u003eThis part of GB\/T 21487 is applicable to radial vibration measuring systems on shafts, \u003cbr\u003eboth for absolute and relative measurements. It covers the sensing device (i.e. \u003cbr\u003etransducer), signal conditioning, attachment methods and calibration procedures. \u003cbr\u003e\u003cbr\u003e\u003ch2\u003eBasic Data\u003c\/h2\u003e\u003ctable id=\"TableTabAbout0\" rules=\"all\" border=\"1\" style=\"font-family:Arial;font-size:Small;\"\u003e  \u003ctr id=\"TableTabRow10\"\u003e     \u003ctd id=\"TableTabCell110\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eStandard ID\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell120\" align=\"center\"\u003e GB\/T 21487.1-2008 (GB\/T21487.1-2008)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow20\"\u003e     \u003ctd id=\"TableTabCell210\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDescription (Translated English)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell220\" align=\"center\"\u003e Rotating shaft vibration measuring systems -- Part 1: Relative and absolute sensing of radial vibration\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow30\"\u003e     \u003ctd id=\"TableTabCell310\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eSector \/ Industry\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell320\" align=\"center\"\u003e National Standard (Recommended)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow40\"\u003e     \u003ctd id=\"TableTabCell410\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eClassification of Chinese Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell420\" align=\"center\"\u003e J04\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow50\"\u003e     \u003ctd id=\"TableTabCell510\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eClassification of International Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell520\" align=\"center\"\u003e 17.160\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow60\"\u003e     \u003ctd id=\"TableTabCell610\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eWord Count Estimation\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell620\" align=\"center\"\u003e 20,283\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow70\"\u003e     \u003ctd id=\"TableTabCell710\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDate of Issue\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell720\" align=\"center\"\u003e 2008-03-05\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow80\"\u003e     \u003ctd id=\"TableTabCell810\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDate of Implementation\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell820\" align=\"center\"\u003e 2008-08-01\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow90\"\u003e     \u003ctd id=\"TableTabCell910\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eQuoted Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell920\" align=\"center\"\u003e GB\/T 11348.1-1999; GB\/T 11348.5; GB\/T 14412; GB\/T 20485.1; JJF 1059-1999; ISO 683-1; ISO 2041; ISO 4287; ISO 5347; ISO 7919-2; ISO 7919-3; ISO 7919-4; ISO 8042; IEC 60068-2-6; IEC 60068-2-29; IEC 60529-1989\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow100\"\u003e     \u003ctd id=\"TableTabCell1010\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eAdopted Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell1020\" align=\"center\"\u003e ISO 10817-1-1998, IDT\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow110\"\u003e     \u003ctd id=\"TableTabCell1110\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eRegulation (derived from)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell1120\" align=\"center\"\u003e National Standard Approval Announcement 2008 No.3 (Total No.116)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow120\"\u003e     \u003ctd id=\"TableTabCell1210\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eIssuing agency(ies)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell1220\" align=\"center\"\u003e General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow130\"\u003e     \u003ctd id=\"TableTabCell1310\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eSummary\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell1320\" align=\"center\"\u003e This standard specifies the shaft vibration monitoring and evaluation. Therefore, it is mainly with the shaft vibration measurements on large machines. This part of the GB\/T 21487 absolute and relative detection system suitable for shaft radial vibration. It includes a detection device, signal demodulator suitable, connection methods and calibration procedures. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cbr\u003e\u003cbr\u003e","brand":"www.ChineseStandard.us -- Field Test Asia Pte. Ltd.","offers":[{"title":"Default Title","offer_id":52314679279930,"sku":null,"price":380.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/5737\/1706\/files\/GBT21487.1-2008EN.1_addbdbde-a6e3-4956-8baa-5eb1e3979241.jpg?v=1765377362","url":"https:\/\/www.chinesestandard.us\/products\/gbt21487-1-2008","provider":"www.ChineseStandard.us (www.ChineseStandard.net)","version":"1.0","type":"link"}