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Title: Hands On Calibration And Operation Of Mechanical And Electronic Integrators And Chart Processors
Author: Teresa Moore
Source: 1983 Appalachian Gas Measurement Short Course
Year Published: 1983
Abstract: The pressure is recorded in pounds per square inch, and the difference is recorded in inches of water at 60F. With the advent of orifice measurement, the pressure, difference and square root were manually calculated. The integrator was developed to extract the square root of the product of the pressure and differential since the calculation of pulsating charts was time consuming. When the meter tracings are duplicated with the integrator pens, the integrator instantaneously extracts the square root of the product of the pressure readings and the differential readings. A chart, placed on the integrator, duplicates the meter motion the speed of rotation is controlled by a foot-operated pedal.

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