Browse Standards

声学 水听器低频校准方法

Acoustics--Low frequency calibration methods of hydrophones

声学 1～10 MHz频率范围内橡胶和塑料纵波声速与衰减系数的测量方法

Acoustics--Methods for measuring the longitudinal sound speed and attenuation coefficient of rubbers and plastics in the frequency range 1 MHz to 10 MHz

声学 户外声传播衰减 第1部分:大气声吸收的计算

Acoustics--Attenuation of sound during propagation outdoors--Part 1:Calculation of the absorption of sound by the atmosphere

在非旋转部件上测量和评价机器的机械振动 第3部分:额定功率大于15kW额定转速在120r/min至15000r/min之间的在现场测量的工业机器

Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 3:Industrial machines with nominal power above 15kW and nominal speeds between 120r/min and 15000r/min when measured in situ

几何量技术规范(GPS) 长度标准 量块

Geometrical product specifications(GPS)--Length standards--Gauge blocks

铠装热电偶电缆及铠装热电偶

Mineral insulated thermocouple cables and thermocouples

封闭管道中导电液体流量的测量 电磁流量计的使用方法

Measurement of conductive liquid flow in closed conduits--Method using electromagnetic flowmeters

非自行指示秤

Non-self-indicating instrument

声学 声压法测定噪声源声功率级 混响室精密法

Acoustics--Determination of sound power levels of noise sources using sound pressure--Precision methods for reverberation rooms

声学 声压法测定噪声源声功率级 混响场中小型可移动声源工程法 第2部分:专用混响测试室法

Acoustics--Determination of sound power levels of noise sources-using sound pressure--Engineering methods for small，movable sources in reverberant fields--Part 2:Methods for special reverberation test rooms

声学 隔声罩的隔声性能测定 第2部分:现场测量(验收和验证用)

Acoustics--Determination of sound insulation performances of enclosures--Part 2:Measurements in situ (for acceptance and verification purposes)

声学 隔声罩的隔声性能测定 第1部分:实验室条件下测量(标示用)

Acoustics--Determination of sound insulation performances of enclosures--Part 1:Measurements under laboratory conditions (for declaration purposes)

声学 水声发射器的大功率特性和测量

Acoustics--High-power characteristics of underwater sound projectors and their measurements

声学 水声换能器测量

Acoustics--Measurement of underwater sound trans-ducers

在非旋转部件上测量和评价机器的机械振动 第6部分:功率大于100kW的往复式机器

Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 6:Reciprocating machines with power ratings above 100kW

在非旋转部件上测量和评价机器的机械振动 第5部分:水力发电厂和泵站机组

Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 5:Machine sets in hydraulic power generating and pumping plants

产品几何量技术规范(GPS) 几何要素 第1部分:基本术语和定义

Geometrical product specifications(GPS)--Geometrical features--Part 1:General terms and definitions

产品几何量技术规范(GPS) 表面结构 轮廓法 具有复合加工特征的表面 第1部分:滤波和一般测量条件

Geometrical product specifications(GPS)--Surface texture:Profile method;Surfaces having stratified functional properties--Part 1:Filtering and general measurement conditions

产品几何量技术规范(GPS) 坐标测量机的验收检测和复检检测 第1部分:词汇

Geometrical product specification(GPS)--Acceptance and reverification tests for coordinate measuring machines--Part 1:Vocabulary

多费率电能表 特殊要求

Particular requirements for multi-rate electricity meters