GB/T 34041.2-2017
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
- 实施日期
- 2018-04-01
- ICS 分类
- 17.120.10
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 34041.2-2017
Measurement of fluid flow in closed conduits—Ultrasonic meters for gas—Part 2: Meters for industrial applications
GB/T 34041.1-2017
Measurement of fluid flow in closed conduits—Ultrasonic meters for gas—Part 1: Meters for custody transfer and allocation measurement
GB/T 25498.5-2017
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
GB/T 25102.7-2017
Electroacoustics—Hearing aids—Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
GB/T 20441.5-2017
Electroacoustics—Measurement microphones—Part 5: Methods for pressure calibration of working standard microphones by comparison
GB/T 34067.1-2017
In-home display terminal for smart-utilization power—Part 1:General technical requirements
GB/T 34050-2017
Intelligent temperature measuring instruments—General technical requirements
GB/T 34049-2017
Intelligent flow instruments—General technical requirements
GB/T 34035-2017
Field test methods for thermocouples
GB/T 24369.3-2017
Characterization of gold nanorods—Part 3: Measurement method of surface charge density
GB/T 17215.304-2017
Electricity metering equipment (a.c.)—Particular requirements—Part 4: Static meters connected via electronic transformer
GB/Z 33902-2017
Measurement of fluid flow by means of pressure differential devices—Guidelines on the effect of departure from the specifications and operating conditions given in GB/T 2624 and the correction methods
GB/Z 33875-2017
Guidelines for the use of GB/T 2624—2006
GB/T 33907-2017
Electrolytic solid moisture meter
GB/T 33905.3-2017
Intelligent sensor—Part 3: Terminology
GB/T 26831.5-2017
Specification for reading system of energy metering in community—Part 5:Wireless relaying
GB/T 26831.4-2017
Specification for reading system of energy metering in community—Part 4:Wireless meter readout
GB/T 33709-2017
Mobile laboratory—Guidance on dissemination and traceability of the value of equipment
GB/T 33708-2017
Static meter for direct current energy
GB/T 33559-2017
Technical requirement and method of measurement for signal analyzer of digital terrestrial television