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ASTM
D1941-21
Standard Test Method for Open Channel Flow Measurement of Water with the Parshall Flume
2021
11
ASTM Vol.11.01 (2023)
This test method covers measurement of the volumetric flowrate of water and wastewater in open channels with the Parshall flume. Information related to this test method can be found in ISO 1438 and ISO 4359. 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...