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Standard Test Method for Open-Channel Flow Measurement of Water with Thin-Plate Weirs
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Standard number:
ASTM D5242-21
Released:
15.12.2021
Status:
Active
Pages:
8
Section:
11.01
Keywords:
flow measurement; open-channel flow; water discharge; weirs;
ASTM number:
ASTM D5242
Supersedes:
D5242-92R13
DESCRIPTION
1.1 This test method covers measurement of the volumetric flow rate of water and wastewater in channels with thin-plate weirs. Information related to this test method can be found in Rantz (1)2 and Ackers (2).
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.