JHS
中华人民共和国石油化工行业标准
SH/T 3005-2016代替SH3005-1999
石油化工自动化仪表选型设计规范
Design specification for instrumentation selectionin petrochemical industry
中华人民共和国工业和信息化部 发布
日 次
前言１ 范围2 规范性引用文件3 术语和定义4 一般规定5 温度仪表5.1 温度测量单位和量程5. 2 就地温度仪表5.3 远传测量温度仪表6 压力仪表6.1 压力测量单位和量程6.2 就地压力仪表6.3 远传测量压力仪表流量仪表流量测量单位、量程和精确度7.17.2 差压式流量计 ...107.3 转子流量计 ..127.4 速度式流量计 137.5 容积式流量计 147.6 质量流量计 147.7 固体流量计和流量开关 158 物位仪表8.1 就地物位仪表 158.2 远传测量物位仪表 ...168.3 物位开关 ...189 过程分析仪 ...199.1 过程分析仪选型一般规定 ...199.2 气体分析仪9.3 液体分析仪 2210 控制阀 2410.1 调节阀 2410.2 自力式调节阀 30.31
10.3 开关阀
11特殊测量仪表 34称重仪11.1 3411.2 机组轴系测量仪表 34附录A（资料性附录）流量仪表选型参考表 .35附录B（资料性附录）物位仪表选型参考表 ..36参考文献 ..37本规范用词说明附：条文说明.
Contents
Foreword....Scope12 Normative references3 Terms and definitions4 General specification5 Temperature instruments5.1 Temperature measurement unit and span5.2 Local temperature instruments.5. 3 Remote measurement temperature instruments.Pressure instruments66.1Pressure measurement unit and span....6.2 Local pressure instruments6.3Flowinstruments7.1 Flow measurement unit span and accuracy .97.2 Differencial pressure flow instruments ...107.3 Rotameter .127.4 Speedtypeflowinstruments 13.147.5 Positive displacement type flow instruments7.6 Mass flowmeters ..147.7 Solidflowmetersandflowswitches8 Level instruments 158.1 Local level instruments ....158.2 Remote measurement level instruments ..168.3 Level switches ..189 Process analyzers ...199.1 General specification for process analyzers ..199.2 Gas analyzers.. .199.3 Liquid analyzers....10 Control valves 2410.1 Control valves .2410.2 Self-regulating control valves 30..3010.3 On-off valves....
11 Specialmeasurementinstruments .3411.1 Weighinstruments...11.2 Mechanical shaft vibration measurement instruments ...3435AnnexA(Informative）SelectionreferenceforflowinstrumentsAnnexB（Informative）Selectionreference forlevel instruments ...36Bibliography.37Explanation of wording in this specification ....39Add:Explanation of articles.. .41
