压力表CE认证压力表CE认证

压力表ce认证属于欧盟ce认证中的承压设备ped认证，压力设备指令pressure equipment directive为： 97/23/ec，凡是设计压力超过0.5bar的设备，无论其压力、容积为何，均须符合ped的规定。压力表在欧盟标准中具体的标准为en837。
en837标准简介
　　en837-1:1998 pressure gauges. bourdon tube pressure gauges. dimensions, metrology, requirements and testing
　　 压力表.第1部分:波登压力表.尺寸,测量技术,要求和检验
　　描述：pressure gauges, bourdon pressure gauges, pressure measurement (fluids), industrial, pressure, working range, environment (working), dimensions, size, grades (quality), accuracy, errors, dials, instrument scales, graduations, threads, taper threads, screw.
　　en837-2:1998 pressure gauges. selection and installation recommendations for pressure gauges
　　压力表.第2部分:压力表的选择和安装建议
　　描述：pressure gauges, bourdon pressure gauges, pressure measurement (fluids), diaphragms (mechanical components), selection, installation, pressure, working range, safety measures, safety devices, pipe connections, liquids, gases, steam, storage, mechanical sh
　　en837-3:1998　pressure gauges. diaphragm and capsule pressure gauges. dimensions, metrology, requirements and testing
　　压力表.第3部分:膜片和膜盒压力测量仪.尺寸,测量技术,要求和检验
　　描述：pressure gauges, preferred sizes, dimensions, designations, diaphragms (mechanical components), pressure measurement (fluids), working range, pressure, accuracy, classification systems, type testing, approval testing, thermal testing, endurance testing, r