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Title: Meter Driven Integrators
Author: J. A. Holmes
Source: 1974 International School of Hydrocarbon Measurement
Year Published: 1974
Abstract: Various instruments are used to measure volumes of natural gas through rotary, positive displacement and turbine meters. The direct driven integrator is the most widely used instrument for this purpose. The integrator is mounted on the meter so the output wriggler of the meter engages directly with the input wriggler of the integrator. Gas flowing through the meter provides the mechanical force required to operate the integrator. The pressure within the meter operates the pressure element and linkage, while the temperature system responds to the changes in temperature of the flowing gas. The changing pressures and temperatures are automatically integrated into the total corrected readout of volumes in mcf by means of cams, ratchet, or rings in the integrator.

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