This standard specifies the types,the basic parameters and dimensions of three-phase plugs and socket-outlets for household and similar purposes.
This standard applies to three-phase plugs and three-phase fixed or portable socket-outlets for a.c.50 Hz only,with a rated voltage of 440 V and a rated current not exceeding 32 A,intended for household and similar purposes.
This standard does not exclude the use of three-phase plugs and socket-outlets on building sites,or for agricultural and commercial applications.
定价: 372元 / 折扣价: 317 元 加购物车
本部分规定了振动(正弦)试验用电动振动台在进行定型鉴定、出厂检验和定期检验时的检验项目、检验用主要仪器及要求、检验条件、检验时的一般规定、检验方法及检验结果等内容。
本部分适用于对GB/T 2423.10《电工电子产品环境试验〓第2部分:试验方法〓试验Fc和导则:振动(正弦)》进行振动试验用电动振动台系统(以下简称振动台)基本参数的检验方法。
对于带有水平工作台的振动台,检验项目中除频率指示误差、频率稳定度、振动幅值指示误差、扫频速率误差、台面温度外,其余均应参照检验方法中的相应条款进行检验。
本部分也适用于类似试验设备的检验。
定价: 31元 / 折扣价: 27 元 加购物车
This standard specifies the types,the basic parameters and dimensions of single phase plugs and socket-outlets for household and similar purposes.
This standard is applicable to single phase plugs and fixed or portable socket-outlets for a.c.50 Hz only,with a rated voltage of 250 V and a rated current not exceeding 16 A,intended for household and similar purposes.
定价: 252元 / 折扣价: 215 元 加购物车