Browse Standards
1579+ standards in database
1579 result(s) found
短路电流效应计算 第1部分：定义和计算方法
Calculation of effects of short-circuit currents—Part 1: Definitions and calculation methods
液体材料微波频段使用开口同轴探头的电磁参数测量方法
Measuring method for electromagnetic parameters of liquid materials at microwave frequencies using an open-ended coaxial probe
电磁屏蔽用全方位导电海绵通用技术要求
General technical requirements for electromagnetic shielding all-round conductive foam
滑槽秤
Chute weighing instruments
炉温跟踪记录仪
Furnace temperature track logger
自动定量装车系统
Automatic quantitative loading vehicle system
冷链温度记录仪
Cold chain temperature logger
插入式红外辐射测温仪技术规范
Specifications for insertion type infrared radiation thermometer
封闭管道中流体流量的测量 渡越时间法液体超声流量计
Measurement of fluid flow in closed conduits—Ultrasonic transit-time meters for liquid
柴油润滑性评定用高频往复试验机
The high-frequency reciprocating rig for diesel fuel assessment of lubricity
呼出气体酒精含量检测仪
Breath alcohol analyzer
自动抄表系统 第223部分：无线通信抄表系统 数据链路层（MAC子层）
Automatic meter reading system—Part 223: Data link layer (MAC sub-layer)—Wireless communication meter reading system
自动抄表系统 第222部分：无线通信抄表系统 物理层规范
Automatic meter reading system—Part 222: Physical layer(PHY) specifications—Wireless communication meter reading system
电测量设备 可信性 第311部分：温度和湿度加速可靠性试验
Electricity metering equipment—Dependability—Part 311:Accelerated reliability testing—Elevated temperature and humidity
交流电测量设备 验收检验 第31部分：静止式有功电能表的特殊要求(0.2S级、0.5S级、1级和2级)
Electricity metering equipment (AC)—Acceptance inspection—Part 31: Particular requirements for static meters for active energy (classes 0.2 S, 0.5 S, 1 and 2)
交流电测量设备 验收检验 第21部分：机电式有功电能表的特殊要求(0.5级、1级和2级)
Electricity metering equipment (AC)—Acceptance inspection—Part 21: Particular requirements for electromechanical meters for active energy (classes 0.5, 1 and 2)
交流电测量设备 验收检验 第11部分：通用验收检验方法
Electricity metering equipment （AC）—Acceptance inspection—Part 11: General acceptance inspection methods
工业过程控制阀 第8-3部分：噪声的考虑 空气动力流流经控制阀产生的噪声预测方法
Industrial-process control valves—Part 8-3: Noise considerations—Control valve aerodynamic noise prediction method
声学 测听方法 第3部分：言语测听
Acoustics—Audiometric test methods—Part 3: Speech audiometry
声学 机动车辆定置噪声声压级测量方法
Acoustics—Measurements of sound pressure level emitted by stationary road vehicles