The measuring element of an oval gear meter consists of two toothed precision oval wheels which are driven by the fluid passing through the unit. The number of revolutions is an exact measure of the volume.
Maintenance and recalibration requirements are minimal because of the lack of moving parts. Often, the gear meter is selected over the Coriolis because of its accuracy and longevity in harsh environments where the Coriolis is susceptible to interferance from pressure or temperature changes and general wear.
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