146 标准查询与下载

DS/IEC 141-1:1992 充油和充气电缆及附件测试.第1部分:交流电压小于等于400 kV用充油,纸绝缘,金属铠装电缆和附件

Tests on oil-filled and gas-pressure cables and their accessories. Part 1: Oil-filled, paper-insulated, metal-sheathed cables and accessories for alternating voltages up to and including 400 kV

DS/IEC 287:1992 国际电工委员会IEC标准No．287-1982以及附录No．1-1988 + 附录No．2-1991 电缆恒向额定电流的计算（100％负载因数）

Calculation of the continuous current rating of cables (100% load factor)

DS/IEC 839-5-4:1992 国际电工委员会IEC标准No．839-5-4-1991．警报系统．第5部分：警报传输系统的要求．第4节：使用专用警报传输路径的警报传输系统

The section of IEC 839-5 specifies the requirements for alarm ransmission systems using alarm transmission paths which are additional to those specified in IEC 839-5-1 and IEC 839-5-2. It covers dedicated connections providing signalling continuty between an alarm system and the presentation of alarm system information at an alarm receiving centre. The alarm transmission system may utilise d.c. pairs, voice grade signalling, links or data and may include multiplexors or mess...

Alarm systems. Part 5: Requirements for alarm transmission systems. Section 4: Alarm transmisssion systems using dedicated alarm transmission paths

DS/IEC 942:1991 音响校准器

Sound calibrators

DS/IEC 68-2-18:1990 基本环境试验规程.第2部分:试验.第18节:试验R和导则:水

Environmental testing. Part 2: Tests. Test R and guidance: Water

DS/IEC 68-2-56:1990 基本环境试验规程.第2部分:试验.第56节:试验Cb:设备的湿热和稳态基本试验

Environmental testing. Part 2: Tests. Test Cb: Damp heat, steady state, primarily for equipment

DS/IEC 581-12:1990 高保真音响设备和系统.最低性能要求.第12部分:电视调谐器的声音输出

High fidelity audio equipment and systems. Minimum performance requirements. Part 12: Sound output of television tuners

DS/IEC 804:1990 积分平均声级计

Integrating-averaging sound level meters

DS/IEC 574-14:1990 视听、视频和电视设备及系统.第14部分:带式录音卡系统

Audio-visual, video and television equipment and systems. Part 14: Audio striped card system

DS/IEC 581-13:1990 高保真音响设备和系统.最低性能要求.第13部分:车辆用高保真装置:调频无线电调谐部件

High fidelity audio equipment and systems. Minimum performance requirements. Part 13: High fidelity systems for use in vehicles (e.g. motor cars): FM radio tuner units

DS/IEC 839-1-1:1990 报警系统.第1部分:一般要求.第1节:总则

Alarm systems. Part 1: General requirements. Section One: General

DS/IEC 574-18:1989 视听、视频和电视设备及系统.第18部分:声像应用的自动幻灯片放映机与内装双向三极管开关的连接器

Audiovisual, video and television equipment and systems. Part 18: Connectors for automatic slide projectors with built-in-triacs for audiovisual application

DS/IEC 68-2-55:1989 基本环境试验规程.第2部分:试验.第55节:试验Ee及导则:颤动

Basic environmental testing psocedure. Part 2: Tests. Test Ee and guidance: Bounce.

DS/IEC 839-1-2:1989 报警系统.第1部分:一般要求.第2节:电源设备、试验方法和性能规范

Alarm systems. Part 1: General requirements. Section Two. Power units, test methods and performance criteria

DS/IEC 574-11:1989 视听、视频和电视设备及系统.第11部分:录像系统用于阅读的操作规程

Audiovisual, video and television equipment and systems. Part 11: Video recording systems. Operating practices to facilitate browsing

DS/IEC 68-2-20:1989 基本环境试验规程.第2部分:试验.第20节:试验T:锡焊

Basic environmental testing procedure. Part 2: Tests. Test T: Soldering

DS/IEC 839-2-2:1989 报警系统.第2部分:闯入者报警系统的要求.第2节:探测器的一般要求

Alarm systems. Part 2: Requirements for intruder alarm systems. Section Two. Requirements for detectors. General

DS/IEC 68-2-27:1988 基本环境试验规程.第2部分:试验.第27节:试验Ea和导则:冲击

Basic environmental testing procedures. Part 2: Tests. Test Ea and guidance: Shock

DS/IEC 574-3:1987 视听、视频和电视设备及系统.第3部分:视听系统中设备互连用连接器

Audio-visual, video and television equipment and systems. Part 3: Connectors for the interconnection of equipment in audio-visual systems

DS/IEC 461:1987 磁带录像的时间和控制代码

Time and control code for video tape recorders