首页 / 标准检索
标准检索
共找到 26,254 项标准,第 55 / 1313 页
IEC 60487-3-5:1982
Methods of measurement for equipment used in terrestrial radio-relay systems - Part 3: Simulated systems - Section Five: Measurement of mutual interference
现行
ICS 33 电信、音频和视频工程
1982
23 页
¥2
IEC 60487-3-6:1984
Methods of measurement for equipment used in terrestrial radio-relay systems - Part 3: Simulated systems - Section Six: Measurements for sound programme transmission
现行
ICS 33 电信、音频和视频工程
1984
36 页
¥2
IEC 60487-3:1975
Methods of measurement for equipment used in terrestrial radio-relay systems. Part 3: Simulated systems
现行
ICS 33 电信、音频和视频工程
1975
19 页
¥1
IEC 60489-5:1987
Methods of measurement for radio equipment used in the mobile services. Part 5: Receivers employing single-sideband techniques (R3E, H3E or J3E)
现行
ICS 33 电信、音频和视频工程
1987
158 页
¥5
IEC 60489-6:1999
Radio equipment used in mobile services - Methods of measurement - Part 6: Data equipment
现行
ICS 33 电信、音频和视频工程
1999
146 页
¥5
IEC 60493-1:2011
Guide for the statistical analysis of ageing test data - Part 1: Methods based on mean values of normally distributed test results
现行
ICS 29 电气工程
2011
69 页
¥5
IEC 60494-1:2013
Railway applications - Rolling stock - Pantographs - Characteristics and tests - Part 1: Pantographs for main line vehicles
现行
ICS 45 铁路工程
2013
58 页
¥3
IEC 60494-2:2013
Railway applications - Rolling stock - Pantographs - Characteristics and tests - Part 2: Pantographs for metros and light rail vehicles
现行
ICS 45 铁路工程
2013
53 页
¥3
IEC 60500:2017
Underwater acoustics - Hydrophones - Properties of hydrophones in the frequency range 1 Hz to 500 kHz
现行
ICS 17 计量学和测量、物理现象
2017
47 页
¥3
IEC 60502-1:2021 RLV
Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV) - Part 1: Cables for rated voltages of 1 kV (Um = 1,2 kV) and 3 kV (Um = 3,6 kV)
现行
ICS 29 电气工程
2021
116 页
¥5
IEC 60502-2:2014+AMD1:2024 CSV
Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV) - Part 2: Cables for rated voltages from 6 kV (Um = 7,2 kV) up to 30 kV (Um = 36 kV)
现行
ICS 29 电气工程
2014
195 页
¥5
IEC 60502-4:2023
Power cables with extruded insulation and their accessories for rated voltages from 1 kV (<em>U</em><sub>m</sub> = 1,2 kV) up to 30 kV (<em>U</em><sub>m</sub> = 36 kV) - Part 4: Test requirements on accessories for cables with rated voltages from 6 kV (<em>U</em><sub>m</sub> = 7,2 kV) up to 30 kV (<em>U</em><sub>m</sub> = 36 kV)
现行
ICS 29 电气工程
2023
37 页
¥2
IEC 60503:1998
Spools for broadcast videotape recorders (VTRS)
现行
ICS 33 电信、音频和视频工程
1998
17 页
¥1
IEC 60510-1-2:1984
Methods of measurement for radio equipment used in satellite earth stations. Part 1: Measurements common to sub-systems and combinations of sub-systems. Section Two: Measurements in the r.f. range
现行
ICS 33 电信、音频和视频工程
1984
46 页
¥3
IEC 60510-1-4:1986
Methods of measurement for radio equipment used in satellite earth stations. Part 1: Measurements common to sub-systems and combinations of sub-systems. Section Four: Measurements in the baseband
现行
ICS 33 电信、音频和视频工程
1986
27 页
¥2
IEC 60510-1-5:1988
Methods of measurement for radio equipment used in satellite earth stations. Part 1: Measurements common to sub-systems and combinations of sub-systems. Section Five: Noise temperature measurements
现行
ICS 33 电信、音频和视频工程
1988
33 页
¥2
IEC 60510-1:1975
Methods of measurement for radio equipment used in satellite earth stations. Part 1: General
现行
ICS 33 电信、音频和视频工程
1975
19 页
¥1
IEC 60510-1A:1980
Methods of measurement for radio equipment used in satellite earth stations. Part 1: Measurements common to sub-systems and combinations of sub-systems. First supplement: Sub-clause 6.2: D.C. source conditions
现行
ICS 33 电信、音频和视频工程
1980
7 页
¥1
IEC 60510-2-3:1989
Methods of measurement for radio equipment used in satellite earth stations. Part 2: Measurements for sub-systems. Section Three: Low noise amplifier
现行
ICS 33 电信、音频和视频工程
1989
11 页
¥1
IEC 60510-2-4:1988
Methods of measurement for radio equipment used in satellite earth stations. Part 2: Measurements for sub-systems. Section Four: Up- and down-converters
现行
ICS 33 电信、音频和视频工程
1988
34 页
¥2