Endress+hauser FLOWSIC600-XT ultrasonic flowmeter

Description

Endress+Hauser FLOWSIC600-XT: Custody Transfer Champion

The Endress+Hauser FLOWSIC600-XT represents the pinnacle of ultrasonic gas flow measurement technology, meticulously engineered for demanding custody transfer applications. This advanced flowmeter is available in variants featuring 4, 4+1, 4+4, and 8 measurement paths, ensuring unparalleled accuracy and redundancy. It not only meets but often exceeds the stringent requirements of OIML R 137 Class 1.0, Class 0.5, and AGA9. A standout feature is i-diagnostics™—an intelligent application diagnostics function—providing real-time insights into operational health. Coupled with PowerIn Technology™ for up to three weeks of continuous measurement during mains power failure, FLOWSIC600-XT guarantees the highest possible measurement accuracy and long-term stability, even in the most challenging conditions.

Measuring Principle: Precise Ultrasonic Transit Time

At the core of the FLOWSIC600-XT’s exceptional performance is its sophisticated ultrasonic transit time difference measurement principle. This non-invasive technology ensures highly accurate and reliable flow measurement by sending ultrasonic pulses with and against the direction of gas flow. The difference in transit times of these pulses directly correlates to the gas velocity, enabling precise calculation of the volumetric flow. This method is particularly advantageous as it introduces no pressure drop, has no moving parts to wear out, and offers excellent long-term stability. This principle allows the FLOWSIC600-XT to deliver consistent, repeatable measurements across a wide range of operating conditions, making it an ideal solution for critical custody transfer applications where even minor inaccuracies can have significant financial implications.

Device Properties: Robust, Resilient, Intelligent Operation

The FLOWSIC600-XT is packed with features designed for robust, resilient, and intelligent operation in the most critical gas measurement scenarios. It boasts automatic adjustment for pressure and temperature influences, ensuring consistent accuracy across varying environmental conditions. PowerIn Technology™ provides a vital safety net, allowing for reliable backup operation and continuous measurement for up to three weeks in the event of a mains power failure. Intelligent application diagnostics with i-diagnostics™ offers proactive monitoring and troubleshooting capabilities, ensuring maximum uptime. Furthermore, its advanced design allows for accurate measurement of natural gas containing up to 30% hydrogen, accommodating future energy trends and maintaining its relevance in evolving gas compositions. These properties combine to create a highly dependable and future-proof measurement solution.

Benefits: Low Uncertainty, High Reliability, Flexible

Choosing the FLOWSIC600-XT brings a wealth of benefits, elevating gas measurement to new levels of precision and reliability. Users experience remarkably low measurement uncertainty across every application, translating to greater financial accuracy and reduced operational risk. The device offers excellent measurement data reliability and availability, ensuring that critical data is always at hand when needed. It stands as the right ultrasonic gas flow measuring device for virtually any application, offering uncompromising performance. Simple device integration, even within compact systems, reduces installation complexity and costs. Quick and easy commissioning and checks further streamline operations. Finally, its capability for economical quantification of H2 content in natural gas provides a valuable tool for monitoring and optimizing gas quality in a changing energy landscape.

Specific Applications: Natural Gas Custody Transfer

The Endress+Hauser FLOWSIC600-XT is specifically engineered to excel in the most critical applications within the natural gas industry, where accuracy and reliability are paramount. Its primary domain is custody transfer measurement of natural gas, ensuring precise billing and regulatory compliance at pipeline interconnections, city gates, and production facilities. This includes scenarios where natural gas contains up to 30% hydrogen, making it future-ready for evolving energy mixes. Beyond pure natural gas, it is indispensable for the transport and storage of gas, providing accurate measurements throughout the entire supply chain to prevent losses and optimize inventory. The FLOWSIC600-XT performs flawlessly in both onshore and offshore applications, from remote wellheads to bustling processing plants, enduring harsh environmental conditions. Its diverse variants, ranging from 4 to 8 measurement paths, allow for tailored solutions that meet specific accuracy and redundancy requirements for any critical gas measurement point.

Technical Capabilities: Wide Range, High Precision

The FLOWSIC600-XT is a marvel of technical capability, offering a broad operational range and exceptional precision. It can accurately measure volumetric flow, actual volume, gas velocity, and speed of sound. Additionally, it offers optional volume correction via an integrated electronic volume corrector (EVC), ensuring measurements are standardized. The device handles a diverse range of measuring media, including natural gas (with up to 30% hydrogen), air, and natural gases containing increased levels of CO2, N2, H2S, and O2. Its repeatability is outstanding, typically ≤ 0.05 % of the measured value. Accuracy varies depending on calibration and path configuration, with 4-path and 8-path versions achieving ≤ ± 0.1 % after flow calibration and alignment using polynomial or piecewise correction, ensuring industry-leading precision for critical applications.

Operational Parameters: Extreme Conditions Ready

The FLOWSIC600-XT is built to thrive in challenging operational environments, boasting impressive medium temperature and operating pressure ranges. It can function reliably across a standard medium temperature range of –46 °C to +180 °C (–51 °F to +356 °F). For even more extreme conditions, versions are available upon request that can handle temperatures from –194 °C to +280 °C (–381 °F to +536 °F), demonstrating its exceptional versatility. The device is also designed for high-pressure applications, with an operating pressure range from 0 bar (g) up to 450 bar (g) (6527 psi (g)). Furthermore, it accommodates a wide range of nominal pipe sizes, from 3″ to 56″ (DN 80 to DN 1400), with other sizes available on request, making it adaptable to virtually any pipeline infrastructure.