J BT9249-1999-涡街流量传感器.pdf

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1、免费标准下载网(www.freebz.net)ICS17.120NtZ中华人民共和国机械行业标准JB广T9249一~1999涡街流量传感器Vortexsheddjngflowtransducer1999一08一06发布200一01一01实施国家机械工业局发布免费标准下载网(www.freebz.net)无需注册,即可下载免费标准下载网(www.freebz.net)JB厅也21一199目次月U吕1范围··········，，···，·············，···············，··················，········

2、································。··⋯⋯12定义·······，···，··················································，，·················，，······················，··⋯13试验条件·····，····，··············，·····················································，···················，··⋯⋯34试验的一般规定······

3、········-···················4··········，·，·，·················，，，············⋯⋯‘·⋯⋯呜5与控制性能有关的试验····，，··············································································⋯⋯46影响量试验···，···。··，·········，···································································

4、·····，·······一97其它试验·，·····，·············‘·······································，··4·············，，，·，·····················⋯⋯148性能评定试验报告···········，·，·4···················································，，，·············，，·····⋯⋯16附录A(标准的附录)时间比例控制器的作用···········，··，，········

5、·，·····，·，，············，·······⋯⋯17附录B(标准的附录)设定点误差(不小于1土1，0%1时)的时间比值允差··，···‘··········，····，··，··⋯18附录C(标准的附录)时间比例控制器电源畸变和电干扰的试验示意图····························⋯⋯19附录D(标准的附录)时间比例控制器试验线路“·································，··················，····⋯⋯21附录E(提示的附录)时间比例控制器性能评定方法测试数据汇

6、总表·，··，············，4，，·，，····‘一22免费标准下载网(www.freebz.net)无需注册,即可下载标准分享网www.bzfxw.com免费下载免费标准下载网(www.freebz.net)JB邝924分一19的前言本标准是对ZBN1208一8叫涡街流量传感器》的修订。本标准与ZBN12田8一89在主要技术内容上没有差异仅对原标准作了编辑性修改本标准自实施之日起，代替跳N论08一-89。本标准由全国工业过程测量和控制标准化技术委员会提出并归口。本标准主要起草单位:上海工业自动化仪表研究所。免费标准下载网(www.

7、freebz.net)无需注册,即可下载免费标准下载网(www.freebz.net)中华人民共和国机械行业标准JB汀924牙一1的9涡街流量传感器代替四N12叨8一89Vortexsbed山吃日。，。刊龙山幽，范围本标准规定了涡街流t传感器的定义、产品分类、技术要求、试验方法和撞骏规则等内容。本标准适用于脉冲信号输出的液体、气体涡街流t传感器(以下简称传感器)。也适用于带有标准化信号箱出的涡街流t变送器中的传感器，以及带有流t显示的涡街流盈计中的传感器。2引用标准下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示

8、版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准最新版本的可能性。GB191一19男)包装储运指示标志GB汀乃55ee~1981一