Ultrasonic Meters (USMs)

High-Precision Flow Measurement with Ultrasonic Meters

Ultrasonic meters (USMs) are revolutionizing gas measurement across upstream, midstream, and transmission operations. Circle B Measurement & Fabrication offers advanced USM solutions that deliver non-intrusive, high-accuracy flow measurement, minimal pressure drop, and reliable long-term performance.

USMs operate using the transit-time principle, measuring the velocity of ultrasonic signals through a gas stream. This technology provides exceptional accuracy, even under variable flow conditions, making it ideal for custody transfer, process monitoring, and regulatory compliance.

Circle B’s USM offerings combine industry-leading equipment with expert engineering, fabrication, and field integration, ensuring every meter performs to API, AGA, and ISO standards.

 
 
 
 
 

Start working with us today!

Our experts are ready to meet your needs and help with next steps.

 

Start working with us today!

Our experts are ready to meet your needs and help with next steps.

 
 

Why Choose USMs from Circle B

Operators select USMs for their combination of accuracy, reliability, and low maintenance requirements. Circle B enhances these advantages with:

  • Comprehensive Product Selection: USMs from TMCO, Endress & Hauser, Krohne, Emerson, Honeywell, and RMG.

  • Industry Compliance: Meters installed and calibrated in accordance with API MPMS, AGA, and ISO standards.

  • Skid & Piping Integration: Fully integrated into measurement skids, piping systems, and control networks.

  • Field Service Support: Calibration, verification, troubleshooting, and lifecycle maintenance from Circle B’s experienced technicians.

USMs provide operators with confidence in measurement accuracy while reducing maintenance costs and minimizing process disruption.

 
 
 
 

Ultrasonic Meter Product Offerings

TMCO – TrueShot Ultrasonic Meter

The TMCO TrueShot USM delivers high-accuracy, dual-path measurement with minimal pressure drop. Key features include:

  • Transit-time technology for precise, repeatable flow measurement

  • Rugged design suitable for midstream and transmission environments

  • Full integration with flow computers and measurement validation systems (MVS)

  • Easy maintenance with no moving parts, reducing operational downtime

TMCO USMs are ideal for operators seeking a balance of accuracy, durability, and straightforward installation.

Endress & Hauser – FlowSIC600

Endress & Hauser FlowSIC600 ultrasonic meters provide state-of-the-art digital measurement with built-in diagnostic capabilities. Features include:

  • Multi-path ultrasonic design for superior measurement accuracy

  • Advanced signal processing for stable readings in turbulent or multiphase flows

  • Remote communication options for real-time monitoring and data logging

  • Compliance with API 14.3 and AGA Report No. 9 standards

FlowSIC600 USMs are widely used in custody transfer applications where precision and repeatability are essential.

Krohne – Altosonic V12

The Krohne Altosonic V12 offers extended performance for natural gas and hydrocarbon applications. Key benefits include:

  • Multi-path ultrasonic measurement to reduce uncertainty and improve accuracy

  • Low-pressure drop design to minimize operational impact

  • Built-in diagnostics for monitoring flow profile disturbances and fouling

  • Rugged construction for reliable operation in harsh environments

The Altosonic V12 USM is particularly suited for pipelines, gas plants, and metering stations requiring high-capacity flow measurement.

Emerson – Rosemount 3414

The Emerson Rosemount 3414 USM provides flexible, accurate measurement with advanced diagnostic capabilities. Highlights include:

  • Single- or multi-path configurations for adaptable measurement ranges

  • Intelligent self-diagnostics for real-time performance monitoring

  • Ease of integration with SCADA, flow computers, and control systems

  • Designed to meet API, AGA, and ISO measurement standards

Rosemount 3414 USMs are widely deployed in upstream, midstream, and processing applications where measurement confidence is critical.

Honeywell – Q Sonic Ultrasonic Meter

The Honeywell Q Sonic USM is compact, reliable, and highly accurate for both custody transfer and process measurement. Key features:

  • Non-intrusive measurement with minimal maintenance requirements

  • Compatible with existing piping and skid infrastructure

  • Built-in diagnostics for flow profile analysis and condition monitoring

  • Compliance with API and AGA reporting standards

The Q Sonic USM is an excellent choice for operators seeking a dependable, low-maintenance solution for natural gas measurement.

RMG – GT400 Ultrasonic Meter

The RMG GT400 USM delivers high-performance measurement for gas and hydrocarbon flows, with a focus on digital integration and field service simplicity. Features include:

  • Multi-path ultrasonic measurement technology for accuracy across varied flow regimes

  • Advanced electronics for enhanced data processing and reporting

  • Low-pressure drop for minimal operational impact

  • Full compatibility with Circle B’s skid-mounted and field-deployed measurement systems

RMG GT400 USMs are ideal for midstream pipelines, gas gathering systems, and processing plants.

 
 
 
 

Integration with Skids and Piping

Circle B does more than supply ultrasonic meters — we deliver fully integrated measurement solutions. Our USMs can be installed on custom skids, piping systems, and control platforms to provide a complete, turnkey measurement system.

Key integration capabilities include:

  • Skid Fabrication: USMs are installed on engineered skids with proper support, alignment, and instrumentation layout for accurate flow measurement.

  • Piping Fabrication: Meters are connected using certified welding and NDE methods in compliance with ASME B31.3/B31.8 standards.

  • Flow Computers & MVS: USMs are paired with measurement validation systems for real-time accuracy verification and reporting.

Integrated systems reduce installation complexity, improve uptime, and simplify maintenance while ensuring reliable flow measurement from day one.

 
 
 
 

Compliance and Standards

Circle B ensures every USM installation meets or exceeds industry standards for custody transfer and process monitoring:

  • API MPMS: Transit-time and orifice meter standards for flow measurement

  • AGA Report No. 9: Recommended practices for ultrasonic flow measurement of natural gas

  • ISO 17089: Ultrasonic flow measurement standard for industrial gas applications

  • ASTM Materials: All fittings and piping comply with certified material specifications

  • ASME B31.3/B31.8: Piping design and installation standards

By adhering to these standards, Circle B provides measurement solutions that are accurate, defensible, and fully compliant with regulatory and commercial requirements.

 
 
 

Field Services and Lifecycle Support

Circle B offers full lifecycle support for USMs to maintain accuracy, uptime, and regulatory compliance:

  • Calibration & Verification: Regular calibration according to API and AGA standards

  • Meter Troubleshooting: Flow computer and MVS support for operational reliability

  • Maintenance Services: Cleaning, inspection, and performance verification of ultrasonic transducers

  • Gas Sampling Integration: Field samples analyzed to validate gas composition and energy content

Lifecycle support ensures USMs continue to deliver precise measurement over time, protecting revenue and operational integrity.

 
 
 
 
 

Applications Across the Energy Industry

USMs are used in a variety of contexts, including:

  • Upstream Production: Wellhead and gas lift measurement

  • Midstream Transmission: Pipeline custody transfer, quality verification, and monitoring

  • Processing Facilities: Gas processing, compression stations, and metering stations

  • Remote or Harsh Environments: Skid-mounted USMs designed for rugged field conditions

Circle B customizes every USM installation to the operational environment, ensuring accurate and repeatable measurement under all conditions.

 
 
 
 

Why Choose Circle B for Ultrasonic Meters

Circle B Measurement & Fabrication provides expert engineering, fabrication, and field support for USMs. Our integrated approach ensures:

  • Accurate, compliant ultrasonic flow measurement

  • Durable, low-maintenance installations

  • Complete integration with skids, piping, and control systems

  • Ongoing calibration, verification, and field service support

  • Expert guidance from experienced measurement specialists

Operators can rely on Circle B to deliver USMs that meet demanding accuracy, performance, and compliance standards.

 
 
 

Partner with Circle B for Ultrasonic Meter Solutions

From TMCO TrueShot to Emerson Rosemount, Krohne, Endress & Hauser, Honeywell, and RMG meters, Circle B provides turnkey USM solutions for gas measurement.

Contact Circle B today to discuss your ultrasonic meter requirements or request a customized measurement solution.

 

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Tulsa, OK 74116
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Midland TX 79706
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Conroe TX 77301
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Bossier City, LA 71111
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Casper, WY 82601
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