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Liquid Ultrasonic Flowmeter

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The Smith Meter® Ultra Series liquid ultrasonic flowmeters meet a wide range of application requirements and provide highly accurate, cost-effective measurement solutions for crude oil, refined products, LPG and other liquid hydrocarbon services. Next generation enhancements to our world class meter include all new high speed electronics, intuitive interface design and flexible communication options for superior measurement performance and diagnostic capabilities.  These features, combined with the advanced cross-flow and swirl compensation on the new Ultra 8c, make for the fastest, smartest and most advanced ultrasonic meter on the market today.

All Smith Meter Ultra Series meters are laboratory tested in our ISO 17025-accredited Flow Research and Test Center. This state-of-the-art facility is unique in the industry because testing can be conducted over the widest dynamic measurement range of any test facility in the world. With more than 300,000 custody transfer meters installed worldwide and the top performing measurement technologies, FMC Technologies continues to set the standard for measurement expertise in line integrity and custody transfer accuracy applications in the crude oil and refined products industries.

Ultrasonic interacting with iPad

  Ultrasonic Benefits

  • Low Pressure Drop - The same as an equal length of straight pipe
  • Low Maintenance - No moving parts that need replacement due to wear, providing stable measurement over the life of the meter
  • Diagnostic Capabilities - Real time, on-line performance verification   
  • High accuracy – Custody transfer accuracy over wide range of product types and viscosities
  Ultrasonic Features
  • Software Capabilities - Integrated meter software provides real-time logs, trends, signal performance and parameter reports for operation, diagnostics and maintenance
  • Web based Interface – Easy-to-use interface accessible through a standard web browser for ease of access  
  • Integrated or Remote Color Touch Screen Display - The optional color touch screen display can be attached as the front panel of the meter electronics or remotely mounted using the optional wall mount enclosure suitable for hazardous areas
  • Optimized transducer design - Specialized transducers are available to extend meter size and viscosity capabilities
  • In-line Transducer Replacement - Designed so there is no need for special tooling or process shutdown to replace a transducer
  • Reciprocity - Transducer and electronic design that virtually eliminates zero flow offset and drift to provide long-term measurement stability independent of pressure, temperature and transducer aging

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Six Path Ultrasonic Meter

Sizes: 6" to 30"

*For larger sizes, consult factory

Unique Features:

  • Diagnostic Compensation - The symmetric six-path configuration provides diagnostic compensation to compensate the effects of crossflow and swirl for an extremely accurate measurement of velocity and flow rate.
  • Density and Viscosity Reference - Outputs can be configured for the particular application to be used for interface detection between product batches and product identification.


Measurement of refined petroleum products and crude oils for:

  • Custody transfer
  • Line integrity
  • Off-loading and on-loading
  • Inventory control
  • Allocation
  • Line balancing