Browse Standards

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：Definitions and general requirements common to all parts

封闭管道中流体流量的测量 气体超声流量计 第2部分：工业测量用气体超声流量计

Measurement of fluid flow in closed conduits—Ultrasonic meters for gas—Part 2: Meters for industrial applications

封闭管道中流体流量的测量 气体超声流量计 第1部分:贸易交接和分输计量用气体超声流量计

Measurement of fluid flow in closed conduits—Ultrasonic meters for gas—Part 1: Meters for custody transfer and allocation measurement

电声学 人头模拟器和耳模拟器 第5部分：测量助听器和以插入方式与人耳耦合的耳机用2cm3声耦合器

Electroacoustics—Simulators of human head and ear—Part 5：2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts

电声学 助听器 第7部分：助听器生产、供应和交货时质量保证的性能特性测量

Electroacoustics—Hearing aids—Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes

电声学 测量传声器 第5部分：工作标准传声器声压校准的比较法

Electroacoustics—Measurement microphones—Part 5: Methods for pressure calibration of working standard microphones by comparison

产品几何技术规范（GPS） 光滑工件尺寸(500mm～10000mm)测量 计量器具选择

Geometrical product specifications (GPS)—Measurement of linear sizes (500 mm-10000 mm) of plain workpiece—Choice of measuring instrument

自由锻件、辗轧环件热态尺寸测量

Dimension measurement of hot free forgings and rolled rings

电子吊秤通用技术规范

General technical specification for electronic crane and hanging scale

固定式电子衡器

Fixed location electronic weighing instrument

声学 声压法测定噪声源声功率级和声能量级 混响场内小型可移动声源工程法 硬壁测试室比较法

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room

声学 水听器低频校准方法

Acoustics—Low frequency calibration methods of hydrophones

产品几何技术规范（GPS） 数字摄影三坐标测量系统的验收检测和复检检测

Geometrical product specification（GPS）—Acceptance and reverification tests for digital photogrammetry 3D coordinate measuring system

产品几何技术规范（GPS） 坐标测量机的检测不确定度评估指南

Geometrical product specifications (GPS)—Guidelines for the evaluation of coordinate measuring machine (CMM) test uncertainty

产品几何技术规范（GPS） 光学共焦显微镜计量特性及测量不确定度评定导则

Geometrical product specifications (GPS)—Metrological characteristics and guide to uncertainty of measurement for optical confocal microscopes

产品几何技术规范（GPS） X射线三维尺寸测量机 第3部分：验收检测和复检检测

Geometrical product specifications (GPS)—X-ray three dimensional size measuring machines—Part 3：Acceptance and reverification tests

动态（矿用）轻轨衡

Weighing instruments for mining car in motion

声学 环境噪声评价中脉冲声事件暴露声级分布的计算方法

Acoustics—Framework for calculating a distribution of sound exposure levels for impulsive sound events for the purposes of environmental noise assessment