Browse Standards

旋转机械转轴径向振动的测量和评定 第2部分:陆地安装的大型汽轮发电机组

Mechanical vibration of non-reciprocating machines--Measurements on rotating shafts and evaluation criteria--Part 2:Large land-based steam turbine generator sets

低温下晶体透射率的试验方法

Method for testing cryogenic transmissivityof crystals

晶体折射率的试验方法

Method for testing refractive index of crystals

形状和位置公差 非刚性零件注法

Geometrical tolerancing indication of non-rigid parts

声学 农林拖拉机和机械操作者位置处噪声的测量 简易法

Acoustics--Tractors and machinery for agriculture and forestry--Measurement of noise at the operator’s position--Survey method

声学 机器和设备发射的噪声 由声功率级确定工作位置和其他指定位置的发射声压级

Acoustics--Noise emitted by machinery and equipment--Determination of emission sound pressure level at a work station and at other specified position from the sound power level

声学 100 kHz以下超声压电换能器的特性和测量

Acoustics--Characteristics and measurements of ultrasonic piezoelectric transducers up to 100kHz

声学 水听器加速度灵敏度校准方法

Acoustics--Calibration method of hydrophone acceleration sensitivity

光学和光学仪器 焦度计

Optics and optical instruments--Focimeters

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

石油计量表

Petroleum measurement tables

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