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IEC 61857-31:2017
Electrical insulation systems - Procedures for short time thermal evaluation - Part 31: Applications with a designed life of 5 000 h or less
现行
ICS 29 电气工程
2017
10 页
¥1
IEC 61857-32:2019
Electrical insulation systems - Procedures for thermal evaluation - Part 32: Multifactor evaluation with increased factors during diagnostic testing
现行
ICS 29 电气工程
2019
33 页
¥2
IEC 61858-1:2014
Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1: Wire-wound winding EIS
现行
ICS 29 电气工程
2014
62 页
¥5
IEC 61866:1997
Audiovisual systems - Interactive text transmission system (ITTS)
现行
ICS 33 电信、音频和视频工程
1997
109 页
¥5
IEC 61868:1998
Mineral insulating oils - Determination of kinematic viscosity at very low temperatures
现行
ICS 29 电气工程
1998
21 页
¥2
IEC 61869-10:2017
Instrument transformers - Part 10: Additional requirements for low-power passive current transformers
现行
ICS 17 计量学和测量、物理现象
2017
87 页
¥5
IEC 61869-11:2017/ISH1:2021
Interpretation sheet 1 - Instrument transformers - Part 11: Additional requirements for low-power passive voltage transformers
现行
ICS 17 计量学和测量、物理现象
2017
9 页
¥1
IEC 61869-13:2021
Instrument transformers - Part 13: Stand-alone merging unit (SAMU)
现行
ICS 17 计量学和测量、物理现象
2021
141 页
¥5
IEC 61869-14:2018
Instrument transformers - Part 14: Additional requirements for current transformers for DC applications
现行
ICS 17 计量学和测量、物理现象
2018
85 页
¥5
IEC 61869-15:2018
Instrument transformers - Part 15: Additional requirements for voltage transformers for DC applications
现行
ICS 17 计量学和测量、物理现象
2018
71 页
¥5
IEC 61869-1:2023
Instrument transformers - Part 1: General requirements
现行
ICS 17 计量学和测量、物理现象
2023
285 页
¥5
IEC 61869-20:2025
Instrument transformers – Part 20: Safety requirements of instrument transformers for high voltage applications
现行
ICS 17 计量学和测量、物理现象
2025
32 页
¥2
IEC 61869-2:2012/ISH1:2022
Interpretation Sheet 1 - Instrument transformers - Part 2: Additional requirements for current transformers
现行
ICS 17 计量学和测量、物理现象
2012
3 页
¥1
IEC 61869-3:2011
Instrument transformers - Part 3: Additional requirements for inductive voltage transformers
现行
ICS 17 计量学和测量、物理现象
2011
56 页
¥3
IEC 61869-5:2011/COR1:2015
Corrigendum 1 - Instrument transformers - Part 5: Additional requirements for capacitor voltage transformers
现行
ICS 17 计量学和测量、物理现象
2011
页数未知
¥3
IEC 61869-99:2022/COR1:2023
Corrigendum 1 - Instrument transformers - Part 99: Glossary
现行
ICS 01 综合、术语学、标准化、文献
2022
10 页
¥1
IEC 61869-9:2016
Instrument transformers - Part 9: Digital interface for instrument transformers
现行
ICS 17 计量学和测量、物理现象
2016
127 页
¥5
IEC 61874:1998
Nuclear instrumentation - Geophysical borehole instrumentation to determine rock density ('density logging')
现行
ICS 17 计量学和测量、物理现象
1998
27 页
¥2
IEC 61874:2025
Nuclear instrumentation - Geophysical borehole instrumentation to determine rock density ('density logging')
现行
ICS 17 计量学和测量、物理现象
2025
14 页
¥1
IEC 61880:1998
Video systems (525/60) - Video and accompanied data using the vertical blanking interval - Analogue interface
现行
ICS 33 电信、音频和视频工程
1998
21 页
¥2