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Title: Application Of Densitometer In Existing Gas Measurement Systems
Author: John H. Day
Source: 1967 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1967
Abstract: For those who have not had an opportunity to familiarize themselves with the introduction of density measurement into the gas measurement field, a discussion of those factors that have created the interest would seem to be appropriate. Measurement of gas quantities by the use of a densitometer is a form of mass metering. All mass metering makes it unnecessary to determine and apply supercompressibility characteristic of the gas being metered. None require measuring the temperature or the specific gravity of the flowing gas and application of adjusting factors. The effects of these variables are accounted for instant a neously coincident with the gas flow as opposed to the somewhat less accurate orifice metering method application of adjustments based on some average condition over various lengths of time. All mass meters lend themselves to automation more readily than orifice meters. They require considerably less quantity calculation time speeding up gas accounting processes. Then why does the industry appear to be more interested in the density system of mass measurement than other available equipment?

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