Standard Operating Procedure from the NIST OWM series — Applying Air Buoyancy Corrections. Public domain; the full text is readable in the Atlas document library…
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31 results for “Air buoyancy correction”
Air buoyancy correction
The correction applied in precise mass comparisons for the differing volumes of the standards and the object weighed, proportional to air density and volume…
SOP 2 — Applying Air Buoyancy
…The significance of the air buoyancy correction depends upon the accuracy required for the measurement, the magnitude of the air buoyancy correction relative to…
…The correction depends on the density of the air (computed from temperature, pressure, and humidity), and on the difference in volume between the standard…
SOP 4 — Double Substitution
…3 Calculations If no air buoyancy correction is performed, calculate the conventional mass correction, C Sc, for the check standard using the appropriate equation…
…fill with distilled water, weigh, and convert mass to volume through water's density at the measured temperature — with air buoyancy corrected, since a…
SOP 7 — Single Substitution
…Weights on Pan Observation 1 X + tx O1 2 S + ts O2 3 S + ts + sw O3 3 Calculations If no air buoyancy correction…
SOP 27 — Rr Test Cars
…The air density is used to make an air buoyancy correction. The limits specified are recommended for high precision calibration. For this calibration, buoyancy…
SOP 28 — Advanced Weighing Designs
…the buoyancy correction ub OIML R111 Rectangular Air temperature (for air density) ut SOP 2 or OIML R111 Rectangular Air pressure (for air density…
SOP 49 — Cal Env Stds
…SOP 2, Applying Air Buoyancy Corrections.