Product Description
SMARTMEASUREMENT’s ALCM-UT uses two tubes formed into a U-shaped geometry in a parallel arrangement which are vibrated at their resonant frequency by coils. Any mass flow passing through the tubes will generate Coriolis forces, which appear whenever a mass moves radially in a rotating system. These forces have opposite effects on the inlet and outlet side, deforming each tube by a minor amount. The excursion of the pipes is detected by sensors located at the meter inlet and outlet and is measured as a time delay, or phase shift. The phase shift between the inlet and outlet of both tubes is directly proportional to the mass flow rate. The resonant frequency of the tubes changes in proportion to the density of the fluid media. This effect allows for the measurement of media density. Using only one sensor, both density and temperature measurements may be performed as the extent of deformation of the pipes is temperature- dependent. Therefore, the temperature is measured for compensation purposes. Using only one instrument, values including mass flow, density, and temperature may be measured. The ALCM’s microprocessor-based circuitry also allows for calculated values such as volumetric flow, % concentration, and % water-cut to be determined.
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