July 2019, Vol. 246, No. 7

Tech Notes

Flow Meter Provides Dual Measurements in Single Body

The Transus Instruments UIM-4F Duo natural gas custody transfer ultrasonic flow meter consists of two independent fiscal flow measurements in a single flow meter body, enabling enhanced condition-based diagnostics in a space saving, compact package.  The primary measurement is accomplished by a four-path system, while an independent, concurrent three-path system provides secondary measurement for extensive diagnostic information using TIMCare software. The primary flow measurement uses the UIM-4F four-path chordal configuration, meeting AGA Report No. 9 and OIML R137 (Class 0.5) international standards for custody transfer metering. The secondary f

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