《氣體超聲流量計(jì)檢定規(guī)程》本規(guī)程以GB/T 18604-2014《用氣體超聲流量計(jì)測量天然氣流量》、GB/T 30500-2014《氣體超聲流量計(jì)使用中檢驗(yàn)聲速檢驗(yàn)法》、GB/T 17747.2-2011《天然氣壓縮因子的計(jì)算 第2部分:用摩爾組成進(jìn)行計(jì)算》、GB 3836《爆炸性氣體環(huán)境用電氣設(shè)備》、GB 50251-2015《輸氣管道工程設(shè)計(jì)規(guī)范》、ISO 17089-1:2019《Measurement of fluid flow in closed conduits - Ultrasonic meters for gas-Part1: Meters for custody transfer and allocation measurement》、ISO 17089-2:2012《Measurement of fluid flow in closed conduits - Ultrasonic meters for gas-Part 2: Meters for industrial applications》、AGA Report No.8《Part 1-2017 Thermodynamic properties of natural gas and related gases using detail and cross equations of state》、AGA Report No.9-2007 《Measurement of gas by multipath ultrasonic meters》和AGA Report 0-2003《Speed of sound in natural gas and other related hydrocarbon gases》為參考,結(jié)合我國氣體超聲流量計(jì)的現(xiàn)狀,對JJG 1030-2007《超聲流量計(jì)》中氣體超聲流量計(jì)的檢定部分進(jìn)行了修訂。