Browse Standards

直接作用模拟指示电测量仪表及其附件 第6部分:电阻表(阻抗表)和电导表的特殊要求

Direct acting indicating analogue electrical measuring instruments and their accessories--Part 6:Special requirements for ohmmeters(impedance meters) and conductance meters

直接作用模拟指示电测量仪表及其附件 第7部分:多功能仪表的特殊要求

Direct acting indicating analogue electrical measuring instruments and their accessories--Part 7:Special requirements for multi-function instruments

1级和2级直接接入静止式交流有功电度表验收检验

Acceptance inspection fordirect connected alternating current static watt-hour meters for active energy (classes 1 and 2)

交流电度表符号

Symbols for alternating-current electricity meters

直接作用模拟指示电测量仪表及其附件 第9部分:推荐的试验方法

Direct acting indicating analogue electrical measuring instruments and their accessories--Part 9:Recom-mended test methods

直接作用模拟指示电测量仪表及其附件 第8部分:附件的特殊要求

Direct acting indicating analogue electrical measuring instruments and their accessories--Part 8:Special requirements for accessories

直接作用模拟指示电测量仪表及其附件 第5部分:相位表、功率因数表和同步指示器的特殊要求

Direct acting indicating analogue electrical measuring instruments and their accessories--Part 5:Special requirements for phase meters，power factor meters and synchroscopes

直接作用模拟指示电测量仪表及其附件 第3部分:功率表和无功率表的特殊要求

Direct acting indicating analogue electrical measuring instruments and their accessories--Part 3:Special requirements for wattmeters and varmeters

直接作用模拟指示电测量仪表及其附件 第4部分:频率表的特殊要求

Direct acting indicating analogue electrical measuring instruments and their accessories--Part 4:Special requirements for frequency meters

直接作用模拟指示电测量仪表及其附件 第2部分:电流表和电压表的特殊要求

Direct acting indicating analogue electrical measuring instruments and their accessories--Part 2:Special requirements for ammeters and voltmeters

直接作用模拟指示电测量仪表及其附件 第1部分:定义和通用要求

Direct acting indicating analogue electrical measuring instruments and their accessories--Part 1:Definition and general requirements common to all parts

交流电量转换为模拟量或数字信号的电测量变送器

Electrical measuring transducers for converting a.c. electrical quantities to analogue or digital singals

石油计量表

Petroleum measurement tables

听力计 第4部分 延伸高频测听的设备

Audiometers--Part 4:Equipment for extended high-frequency audiometry

听力计 第3部分 用于测听与神经耳科的短持续听觉测试信号

Audiometers--Part 3:Auditory test signals of short duration for audiometric and neuro-otological purposes

听力计 第2部分 语言测听设备

Audiometers--Part 2:Equipment for speechaudio-metry

听力计 第1部分 纯音听力计

Audiometers--Part 1:Pure-tone audiometers

光学和光学仪器 焦度计

Optics and optical instruments--Focimeters

声学 水听器加速度灵敏度校准方法

Acoustics--Calibration method of hydrophone acceleration sensitivity

声学 校准测听设备的基准零级 第3部分:骨振器纯音基准等效阈力级

Acoustics--Reference zero for the calibration of audiometric equipment--Part 3:Reference equivalent threshold force levels for pure tones and bone vibrators