Power transformers. Insulation levels,dielectric tests and external clearances in air
发布日期:2013-12-31 实施日期:2013-12-31
Power transformers. Part 14:Design and application of liquid-immersed power transformers using high-temperature insulation materials Edition 2.0
发布日期:2009-05-13 实施日期:2009-05-01
Environmental testing. Tests. Test Z/AD. Composite temperature/humidity cyclic test
适用范围:IEC 60068-2-38 provides a composite test procedure, primarily intended for component type specimens, to determine, in an accelerated manner, the resistance of specimens to the deteriorative effects of ...
实施日期:2010-01-31
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-21: Tests - Composite temperature/humidity cyclic test (IEC 61300-2-21:2009); German version ...
实施日期:2010-08-01
Fibre optic interconnecting devices and passive components performance standard - Part 086-2: Non-connectorized single-mode bidirectional 1490 / 1550 nm downstream 1310 nm upstream WWDM devices for cat...
适用范围:IEC 61753-086-2:2009 contains the minimum initial performance, test and measurement requirements and severities which a fibre optic pigtailed 1 490 / 1 550 nm downstream and 1 310 nm upstream wide wave...
发布日期:2009-09-30 实施日期:2009-09-30
Fibre optic interconnecting devices and passive components performance standard - Part 1: General and guidance for performance standards
实施日期:2008-07-01
Digital addressable lighting interface - Part 210: Particular requirements for control gear - Sequencer (device type 9)
适用范围:IEC 62386-210:2011 specifies a protocol and test procedures for the control by digital signals of electronic control gear working as automatic sequencers. This publication is to be read in conjunction ...
发布日期:2011-04-20 实施日期:2011-04-20
Digital addressable lighting interface. Part 206:Particular requirements for control gear. Conversion from digital signal into d.c. voltage (device type 5)
实施日期:2010-05-01
Digital addressable lighting interface. Part 203:Particular requirements for control gear. Discharge lamps (excluding fluorescent lamps) (device type 2)
适用范围:This Standard specifies a protocol and test procedures for the control of electronic control gear by digital signals for use on a.c. or d.c. supplies, associated with discharge lamps (excluding fluores...
实施日期:2010-04-01
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