JB/T 9249-1999 Translated English of Chinese Standard. (JBT 9249-1999, JB/T9249-1999, JBT9249-1999): Vortex shedding flow transducer [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2016. 1. 18. - 20페이지 This Standard specifies the definition, product category, technical requirements, test methods and inspection rules of vortex shedding flow transducer. |
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AC power supply according to equation accuracy grade apparatus for explosive Atmospheric pressure average meter factor basic error limit breakdown or arcing calibrated average meter Compressive strength test deviation BETWEEN meter Electrical apparatus error limit range explosive atmosphere external magnetic field Flanged flow point flow range flow transducer Mark flowmeter fluid following numeral systems frequency is 50Hz GB/T Insulation resistance insulation strength test JB/T linearity and repeatability Mark number maximum value Measured medium measurements points method in 6.2 nominal pressure original calibrated average output terminal permissible basic error power supply terminal power supply transducer Power supply voltage pressure loss pressure taking hole Qmax Relative humidity repeatability tests according requirements of 5.2 resistance coefficient shedding flow transducer Standard terminal and housing test conditions Test methods times/l transducer shall comply transducer's all measurements transducer’s basic error transducer’s linearity transducer's output transducer's power supply type inspection upper flow limit vortex shedding flow