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Title: Principles And Applications Of Bellows Type Orifice Meters
Author: H. S. Biles
Source: 1969 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1969
Abstract: The eyes of the gas industry today are directed toward the contributions of science and technology in the field of data gathering and processing. We read of direct line transmission, interface components, radio telemetry, and computers which supervise and control large areas in the production, transmission and distribution of gas . Dazzled by the prospects of the efficiency to be gained by these techniques, we are inclined to overlook that their success is dependent upon the accuracy and reliability of the devices from which the basic i n formation is derived - the differential pressure, pressure, temperature and other sensors, In particular, the bellows type differential pressure meter is really a very remarkable instrument. At i t s maximum pressure rating and with a range of 0-100 inches water column. It will detect the difference between 6003.51 psi and 6000 psi with an error no greater than eighteen thousandths of a pound per square inch. This is at full scale of the range it will detect pressure differences as low as thirty-six thousandths of a psi . Or we might choose a range of 0-10 inches water column. At full scale , the pressure difference detected will be that between 6000.361 and 6000,000 psi, with a maximum error of eighteen ten-thousandths of a psi.

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