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标准号 |
标准名称 |
批准日期 |
截止日期 |
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EN 50014:1997 |
潜在爆炸性气体环境用电器.一般要求 Electrical apparatus for potentially explosive atmospheres - General requirements A1:1999 1998-08-01 ATEX A2:1999 1998-10-01 ATEX |
1996-12-09 |
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EN 50015:1998 |
潜在爆炸性气体环境用电器.油浸"0"型装置 Electrical apparatus for potentially explosive atmospheres - Oil immersion "o" |
1998-08-01 |
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EN 50017:1998 |
潜在爆炸性气体环境用电器.粉末填充"q"型装置 Electrical apparatus for potentially explosive atmospheres - Powder filling "q" |
1998-08-01 |
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EN 50021:1999 |
潜在爆炸性气体环境用电器."n"型防护装置 Electrical apparatus for potentially explosive atmospheres - Type of protection "n" |
1998-08-01 |
2003-06-30 |
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EN 50054:1998 |
探测和检测可燃气体用电器.一般要求和检验方法 Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods |
1996-12-09 |
1999-01-01 |
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EN 50055:1998 |
探测和检测可燃气体用电器.测量范围为空气中甲烷成份5%V/V以下的第1组仪器的运行性能的要求 Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group I apparatus indicating up to 5 % (v/v) methane in air |
1996-12-09 |
1999-01-01 |
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EN 50056:1998 |
探测和检测可燃气体用电器.测量范围为空气中甲烷成份100%(V/V)以下的第1组仪器的运行性能的要求 Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group I apparatus indicating up to 100 % (v/v) methane in air |
1996-12-09 |
1999-01-01 |
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EN 50057:1998 |
探测和检测可燃气体用电器.测量范围为爆炸下限的100%以下的第2组仪器的运行性能的要求 Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % lower explosive limit |
1998-04-01 |
1999-01-01 |
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EN 50058:1998 |
探测和检测可燃气体用电器.测量范围为煤气100% V/V以下的第2组仪器的运行性能的要求 Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % (v/v) gas |
1998-04-01 |
1999-01-01 |
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EN 50104:1998 |
探测和测量氧气用电器.运行性能的要求和检验方法 Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methods |
1996-12-09 |
1999-01-01 |
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EN 50241-1:1999 |
可燃或毒性气体和蒸气的检测用开路仪器规范.第1部分:一般要求和试验方法 Specification for open path apparatus for the detection of combustible or toxic gases and vapours -- Part 1: General requirements and test methods |
1998-10-01 |
1999-10-01 |
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EN 50241-2:1999 |
可燃或毒性气体和蒸气的检测用开路仪器规范.第3部分:可燃气体检测用仪器的性能要求 Specification for open path apparatus for the detection of combustible or toxic gases and vapours -- Part 2: Performance requirements for apparatus for the detection of combustible gases |
1998-10-01 |
1999-10-01 |
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EN 50281-1-1:1998 |
易燃灰尘区域内用电气材料.第1-1部分:用外壳防护的电气材料.结构和检验 Electrical apparatus for use in the presence of combustible dust -- Part 1-1: Electrical apparatus protected by enclosures - Construction and testing |
1998-09-01 |
2003-06-30 |
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EN 50281-1-2:1998 |
可燃粉尘环境下使用的电气设备.第1-2部分:封闭保护下的电气设备.选择、安装和管理 Electrical apparatus for use in the presence of combustible dust -- Part 1-2: Electrical apparatus protected by enclosures - Selection, installation and maintenance |
1998-09-01 |
2003-06-30 |
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EN 50281-2-1:1998 |
可燃粉尘环境下使用的电气设备.第2-1部分:试验方法.尘埃最小引燃温度的测量方法 Electrical apparatus for use in the presence of combustible dust -- Part 2-1: Test methods - Methods for determining the minimum ignition temperatures of dust |
1998-09-01 |
2003-06-30 |
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EN 50284:1999 |
II组1G类设备的电工仪器的结构、试验和标记的特殊要求 Special requirements for construction, test and marking of electrical apparatus of equipment group II, Category 1 G |
1998-10-01 |
2003-06-30 |
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