Browse Standards

多功能电能表 特殊要求

Particular requirements for multi - function electricity meters

自动抄表系统 第3-1部分：应用层数据交换协议 对象标识系统

Automatic meter reading system - Part 3-1: Application layer data exchange protocols - Object identification system

声学 校准测听设备的基准零级 第8部分：耳罩式耳机纯音基准等效阈声压级

Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tone and circumaural earphones

用临界流文丘里喷嘴测量气体流量

Measurement of gas flow by means of critical flow Venturi nozzles

交流损耗测量 Cu/Nb-Ti 多丝复合线磁滞损耗的磁强计测量法

AC loss measurements - Magnetometer methods for hysteresis loss in Cu/Nb-Ti multifilamentary composites

工业过程控制系统用电动和气动模拟图纸记录仪 第2部分：检查和例行试验导则

Electrical and pneumatic analogue chart recorders for use in industrial-process control systems - Part 2: Guidance for inspection and routine testing

工业过程控制系统用电动和气动模拟图纸记录仪 第1部分：性能评定方法

Electrical and pneumatic analogue chart recorders for use in industrial-process control systems - Part 1: Methods for performance evaluation

声学 小型通风装置辐射空气噪声的测量方法

Acoustics - Method for the measurement of airborne noise emitted by small air-moving devices

声学 风道末端装置、末端单元、风道闸门和阀噪声声功率级的混响室测定

Acoustics - Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room

声学 机器和设备发射的噪声 声强法现场测定工作位置和其它指定位置发射声压级的工程法

Acoustics - Noise emitted by machinery and equipment - Engineering method for the determination of emission sound pressure levels in situ at the work station and at other specified positions using sound intensity

声学 办公室和车间内声屏障控制噪声的指南

Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screens

声学 工作环境中噪声暴露的测量与评价导则

Acoustics - Guidelines for the measurement and assessment of exposure to noise in a working environment

呼出气体酒精含量检测仪

Breath alcohol analyzers

动态公路车辆自动衡器

Automatic instruments for weighing road vehicles in motion

连续累计自动衡器（电子皮带秤）

Continuous totalizing automatic weighing instruments(electronic belt weighers)

超声仿组织材料声学特性的测量方法

Measurement methods for acoustic properties of ultrasonically tissue-mimicking materials

游标、带表和数显齿厚卡尺

Vernier, dial and digital indicating gear tooth callipers

游标、带表和数显万能角度尺

Vernier, dial and digital display universal bevel protractors

游标、带表和数显高度卡尺

Vernier, dial and digital display height callipers

游标、带表和数显卡尺

Vernier, dial and digital display calipers