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ASTM D3796 : 90(2004)

Standard Practice for Calibration of Type S Pitot Tubes

Standard Details

1.1 This practice covers the determination of Type S pitot tube coefficients in the gas velocity range from 305 to 1524 m/min or 5.08 to 25.4 m/s [1000 to 5000 ft/min]. The method applies both to the calibration of isolated Type S pitot tubes (see ), and pitobe assemblies.

1.2 This practice outlines procedures for obtaining Type S pitot tube coefficients by calibration at a single-velocity setting near the midpoint of the normal working range. Type S pitot coefficients obtained by this method will generally be valid to within 3 % over the normal working range. If a more precise correlation between Type S pitot tube coefficient and velocity is desired, multivelocity calibration technique () should be used.

1.3 This practice may be used for the calibration of thermal anemometers for gas velocities in excess of 3 m/s [10 ft/s].

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.

General Information

Status : Historical
Standard Type: Main
Document No: ASTM D3796 : 90(2004)
Document Year: 1990
Pages: 13
  • Section Volume:
  • 11.07 Volume 11.07 Air Quality
  • ICS:
  • 17.020 Metrology and measurement in general

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ASTM D3796 : 90(2004)
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