ASTM-D3195 Standard Practice for Rotameter Calibration

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Standard Practice for Rotameter Calibration



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1.1 This practice covers the calibration of variable-area flowmeters (rotameters) used to determine air sample volumes at or close to ambient conditions of pressure and temperature, in the analysis of atmospheres for pollutant content.

1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.3 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.

Significance and Use

5.1 Choice of method depends primarily on which equipment is available. Higher accuracy is possible with the gasometer. The accuracies of the methods of atmospheric analysis, for which the calibration procedure is intended, do not warrant the very highest possible accuracy in flow measurement.


calibration; flowmeter; rotameter ;; ICS Number Code 17.080 (Measurement of time, velocity, acceleration, angular velocity)

To find similar documents by ASTM Volume:

11.07 (Atmospheric Analysis)

To find similar documents by classification:

17.080 (Measurement of time, velocity, acceleration, angular velocity Including measuring instruments Time-measuring instruments, see 39.040)

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Document Number


Revision Level

2010 R15 EDITION



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Publication Date

July 1, 2015

Document Type


Page Count

4 pages

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