Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 11: Dosing plant
废水处理厂.结构和技术设备的设计原则.第11部分:加药装置

2004-08-01

水处理设备性能试验 第1部分: 超滤

2010-12-31

水处理设备性能试验 第2部分: 反渗透

2010-12-31

水处理设备性能试验 第3部分: 电除盐

2010-12-31

海水冷却水处理药剂性能评价方法 第4部分：动态模拟试验
Method for evaluation of cooling seawater treatment agents—Part 4: Dynamic simulation test

2017-09-29

Draft Document - Water conditioning equipment inside buildings - Chemical dosing systems - Requirements for performance and safety, testing - Part 1: Pre-set dosing systems; German version prEN 14812-1:2003
文件草案-建筑物内的水调节设备-化学加药系统-性能和安全要求 试验-第1部分:预设加药系统；德文版prEN 14812-1:2003

2004-01-01

Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 4: Specific principles for shutoff devices as penstocks, sluice gates, stoplogs etc.
废水处理厂.结构和技术设备的设计原则.第4部分:压力管道、水闸、叠梁闸门等关闭装置的特殊原则

2000-11-01

Methods for evaluation of effectiveness of water treatment equipment for corrosion control - Part 4: Laboratory testing of equipment for removing scale
金属腐蚀.水处理设备防腐效率的评估方法.第4部分:去除水垢水设施中腐蚀产物的实验室腐蚀试验

2000-04-01

Amendment 1 - Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests
修改件1.低压开关设备和控制设备.第5-4部分:控制电路装置和开关元件.低能触点性能的评估方法.特殊试验

2019-05-22

Electrical equipment for measurement, control and laboratory use - EMC requirements -- Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location a
测量、控制和实验室用电气设备EMC要求第2-4部分:特殊要求IEC 61557-8绝缘监测装置和绝缘故障定位设备a的试验配置、操作条件和性能标准

2007-09-19

Draft Document - Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9 (IEC 65A/566/CD:2010)
文件草案-测量、控制和实验室用电气设备-EMC要求-第2-4部分:特殊要求-符合IEC 61557-8的绝缘监测装置和绝缘设备的试验配置、操作条件和性能标准

2010-05-01

측정, 제어, 실험용 전기장치 — EMC 요건 — 제2-4부: 특정 요건 — IEC 61557－8에 따른 절연 감시 장치와 IEC 61557－9에 따른 절연 고장 탐지 장치에 대한 시험 구성, 동작 조건 및 성능 기준
测量、控制和实验室用电气设备EMC要求第2-4部分:特殊要求IEC 61557－8绝缘监测装置和IEC 61557－9绝缘故障定位设备的试验配置、运行条件和性能标准

2014-10-02

Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9
测量、控制和实验室用电气设备.电磁兼容性要求.第2-4部分:特殊要求.符合IEC 61557-8的绝缘监测装置和符合IEC 61557-9的绝缘故障定位设备的试验配置、操作条件和性能标准

2020-10-27

Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9
测量、控制和实验室用电气设备.电磁兼容性要求.第2-4部分:特殊要求.符合IEC 61557-8的绝缘监测装置和符合IEC 61557-9的绝缘故障定位设备的试验配置、操作条件和性能标准

2020-10-27