GB/T 34041.1-2017 in English
VALIDMeasurement of fluid flow in closed conduits―Ultrasonic meters for gas―Part 1:Meters for custody transfer and allocation measurement
- Issued on:2017-09-07
- Implemented on:2018-04-01
- File Format:PDF
- Delivery:Via email within 10 business days
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《GB/T 34041.1-2017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》由TC124(全国工业过程测量控制和自动化标准化技术委员会)归口,TC124SC1(全国工业过程测量控制和自动化标准化技术委员会温度、流量、机械量、物位、显示仪表、执行器和结构装置分会)执行,主管部门为中国机械工业联合会。
Scope
This part of GB/T 34041 specifies the requirements and recommendations for gas ultrasonic flowmeters (hereinafter referred to as flowmeters) that use the transit time of acoustic signals to measure the flow of a single homogeneous gas in a closed pipeline. The structure, flow measurement performance, calibration, and output characteristics requirements and installation conditions of gas ultrasonic flowmeters with two accuracy levels for split-transmission measurement. This section applies to transit-time gas ultrasonic flowmeters for custody transfer metering and distribution metering, including gas ultrasonic flowmeters with equal diameter, reduced diameter high pressure, low pressure or any combination of these types. This standard does not limit the maximum or minimum value of the flowmeter. This section can be applied to the measurement of various types of gas, including air natural gas, ethane, etc.

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