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ASTM D4409-95(2014)

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ASTM D4409-95(2014) Standard Test Method for Velocity Measurements of Water in Open Channels with Rotating Element Current Meters

standard by ASTM International, 01/01/2014

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Full Description

1.1This test method describes the design and use of cup-type or vane-type vertical axis current meters and propeller-type horizontal axis current meters for measuring water velocities in open channels.

1.2This test method is intended primarily for those meters customarily used in open-channel hydraulic (as distinguished from oceanographic) applications with an operator in attendance.

1.3This test method is intended primarily for current meters that measure one component or filament of flow.

1.4The 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.

1.5This 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 and health practices and determine the applicability of regulatory limitations prior to use.

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Published: 01/01/2014 Number of Pages: 5File Size: 1 file , 85 KB