Product/Service

Ultrasonic Mass Flow Measurement System

Source: Panametrics, Inc.

Ultrasonic Mass Flow Measurement System
A Bundle Waveguide Technology system gives drift-free, obstructionless flow measurement of the most difficult liquids, gases and steam.
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A Bundle Waveguide Technology system gives drift-free, obstructionless flow measurement of the most difficult liquids, gases and steam. The BWT system uses ultrasonic transducers to measure the flow of high-temperature gases and vapors, as well as liquids with high viscosity and high molecular weights. Liquids with entrained solids or excessive gas bubbles are also easily measured.

The system consists of transducers and wetted Pan-Adapta Plugs that use waveguide technology to efficiently concentrate a greater amount of ultrasonic signal into the fluid. Two temperature ranges are available: up to 250°C and 450°C (482°F and 842°F). Added buffering in the 450°C system keeps the transducer temperature low enough to ensure unlimited life. The transducer is removable from the Pan-Adapta Plug, even under high-temperature and high-pressure operating conditions.

Viscous, High Molecular Weight Liquids
For accurate measurement, the system uses powerful low-frequency ultrasound to go through viscous, high molecular weight liquids that are strongly attenuating. For maximum accuracy, the signal can be bounced off pipe walls in a two-traverse configuration.

High Temperature, High Pressure Gases
For increased accuracy in gases, the system uses higher frequencies than traditional methods. Installation is obstructionless, giving little or no pressure drop. It is suitable for high pressure applications that have a wide range in flow rate, such as steam, hydrocarbon gas from vessels and variable processes.

Panametrics, Inc., 221 Crescent Street, Waltham, MA 02453. Tel: 800-833-9438; Fax: 781-894-8582.

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