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36 results for “Primary measurement standard”
A standard established using a primary reference measurement procedure, or created as an artifact chosen by convention — not calibrated against another standard for the…
…result without relation to a standard for a quantity of the same kind — the route by which primary standards are realized. VIM (JCGM 200…
…Traditionally, primary flow standards have been based on either gravimetric or volumetric methods. Gravimetric based primary flow standards measure the mass of collected gas…
A standard established through calibration with respect to a primary standard for a quantity of the same kind. VIM (JCGM 200:2012) 5.5…
…1 Introduction Calibrations of gas flowmeters are performed with primary standards [ISO 1993] that are based on measurements of more fundamental quantities, such as…
…A primary standard for pressure is an instrument that does not require a pressure calibration to measure pressure. It is characterized by measuring the…
…Uncertainty (U), (k = 2) The measurement uncertainty assigned to the calibration of the customer’s primary frequency standard. This number will seldom be smaller…
…The flow measured by the primary standard is computed along with the average of the flow indicated by the MUT during the collection interval…
…the primary gas flow standards in the Fluid Metrology Group. Flows from 900 L/min to 77 600 L/min can be measured with…
…4 The NIST Water Flow Primary Standard The static gravimetric liquid flow measurement method is used by the WFCF 3700/100. The WFCF 3700…
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