JJG711-1990明渠堰槽流量计试行检定规程.pdf

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1、中华人民共和国国家计量检定规程JJG711-1990明渠堰槽流量计(试行)WeirsandFlumesforFlowMeasurement1990一09一21发布1991一05一01实施国家技术监督局发布.I.IG711-1990明渠堰槽流量计试行口、..‘叭j..八。︺..价小︺检定规程︾..杀六︺﹀..JJG711-1990。六︺..石扒︾诵..叭洽︺VerificationRegulationofWeirs甲..钊‘口.o.o.口.o.公.o.公.o.公.o.o.户.o.‘andFlumesforFlowMeasurement本检定规程经国家技术监督局于1990年09月21日批准，并

2、自1991年05月01日起施行。归口单位:北京市标准计量局起草单位:北京市计量测试所北京市水利科学研究所北京市新技术应用研究所本规程技术条文由起草单位负责解释JJG711-1990本规程主要起草人:李振国(北京市计量测试所)李善征(北京市水利科学研究所)张昌征(北京市新技术应用研究所)参加起草人:王淑娴(北京市水利科学研究所)李晓红(北京市水利科学研究所)刘晓燕(北京市计量测试所).JJG711-1990目录一概述·。····，·，，·，···········，，，，，，，，··········，，········】·】··，·，，，，，，·，⋯⋯(I)二技术要求·............

3、..........................................................................(1)(一)薄壁堰··················································································⋯⋯门)(二)宽顶堰···········，·····‘··············，，································，，，，，，··⋯⋯(8)(三)三角形剖面堰···································

4、·····，，·，······⋯⋯，’，··，········⋯⋯(11)(四)平坦V形堰······································································⋯⋯(13)(五)巴歇尔(Parshall)槽···············，···················，·················，·······⋯⋯(15)(六)无喉道槽·······，··，·········‘····，·······，·············，··········。·，··················⋯⋯(17)(

5、七)水位流量换算及显示································································⋯⋯(19)三检定条件、检定项目和检定方法·........................................................(19)(一)用明渠流量标准装置及标准流量计装置的检定·····，·············，·，，·····⋯⋯(20)(二)现场检定············，····················································，·······⋯⋯(2

6、2)(三)检定结果分析··························-·，·······································⋯⋯(27)四检定结果处理和检定周期·.................................................................(28)附录1现场比对实验·················，，··，····································，·····。···⋯⋯(29)附录2有关参数及符号··························，···········

7、···························一(30)附录3检定证书背面格式···············，············，······，·················，·······⋯⋯(52)JJG711-1990明渠堰槽流量计试行检定规程本规程适用于明渠中标准量水堰槽(薄壁堰、宽顶堰、三角形剖面堰、平坦V形堰、巴歇尔槽和无喉道槽)及与堰槽配接水位传感器或水位流量显示仪表构成的明渠流量计的检定