Browse Standards

智能温度仪表 通用技术条件

Intelligent temperature measuring instruments—General technical requirements

智能流量仪表 通用技术条件

Intelligent flow instruments—General technical requirements

热电偶现场试验方法

Field test methods for thermocouples

金纳米棒表征 第3部分：表面电荷密度测量方法

Characterization of gold nanorods—Part 3: Measurement method of surface charge density

交流电测量设备 特殊要求 第4部分：经电子互感器接入的静止式电能表

Electricity metering equipment (a.c.)—Particular requirements—Part 4: Static meters connected via electronic transformer

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：Recommended 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

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

自由锻件、辗轧环件热态尺寸测量

Dimension measurement of hot free forgings and rolled rings