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Last Updated: Mar 12, 2014
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ASTM D5089-95(2008)
Standard Test Method for Velocity Measurements of Water in Open Channels with Electromagnetic Current Meters
Standard Test Method for Velocity Measurements of Water in Open Channels with Electromagnetic Current Meters
D5089-95R08
ASTM|D5089-95R08|en-US
Standard Test Method for Velocity Measurements of Water in Open Channels with Electromagnetic Current Meters
Standard
D5089 Standard Test Method for Velocity Measurements of Water in Open Channels with Electromagnetic Current Meters>
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BOS Vol. 11.01 Committee D19
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Significance and Use
This test method is particularly used for measuring the velocity at a point in an open channel as part of a velocity-area traverse to determine the flowrate of water. To this end it should be used in conjunction with Test Method D 3858
This test method is also useful in applications where the velocity itself (rather than a volumetric flowrate) is the desired end product.
Scope
1.1 This test method covers the use of single-axis or dual-axis electromagnetic current meters for the measurement of water velocities in open channels.
1.2 This test method covers only these components and appurtenances of portable open-channel current-meter systems, which are customarily required when an operator is in attendance.
1.3 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.
1.4 This 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.