Measurement of fluid flow in closed conduits. Ultrasonic meters for gas - Meters for custody transfer and allocation measurement1 Scope This document specifies requirements and recommendations for ultrasonic gas flowmeters (USMs), which utilize the transit time of acoustic signals to measure the flow of single phase homogenous gases in closed conduits. This document applies to transit time ultrasonic gas flowmeters used for custody transfer and allocation metering, such as full bore, reduced area, high pressure, and low pressure meters or any combination of these. There are no

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Peltier coefficient

NOTE 5 The procedures of this International Standard and the standard deviations given in 1

In order to protect human skin from the deleterious UV radiation of sunlight

glazed and unglazed terracotta/faience

BS EN 1097-4 is the fourth part of the BS EN 1097 series that describes the reference method used for type testing and in cases of dispute

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This certifies that the quality of the pallet is suitable for normal purposes as regards the physical stresses involved in distribution and handling

This Technical Report can be used to fulfil the requirements of the ISO standard on microbiological limits (ISO 17516)

react with many other groups so that many types of chemical substance can be used as curing agents

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The basic S-VHS video cassette and the compact S-VHS video cassette are defined as well as the necessary parameters and characteristics for the recordings