Mechatronics Canada

September 9, 2022


MC Proline Promass Q300 500 With Smart 4 Tube Technology Endress Hauser 1 400x275

Promass Q is now also available for larger pipe sizes DN 150 to 250 (6 to 10’)

For maximum accuracy when loading, unloading, and transporting hydrocarbons in the oil & gas industry

Worldwide, over 90 million barrels of crude oil, natural gas and refined hydrocarbons are produced, transported, stored, and sold to end customers every day. Any measuring inaccuracy results in enormous shortfalls for suppliers or buyers. This is not the case with Promass Q. Thanks to its revolutionary 4-tube technology and an extended measuring range for pipelines up to DN 250 (10"), operators of loading stations are just one example of those who enjoy its many benefits.

Promass Q, the high-tech Coriolis flowmeter from Endress+Hauser, is now also available for larger pipe sizes with maximum flow rates between 850 and 2400 t/h (6700 and 18 900 bph). Furthermore, the implementation of the revolutionary 4-tube technology opens up numerous promising applications in the oil and gas industry – for example, as a highly accurate duty meter for custody transfer and fiscal metering, or as a precision reference device (master meter) for on-site verification measurements.


MC Proline Promass Q300 500 With Smart 4 Tube Technology Endress Hauser 3 200x300

Promass Q 500 DN 250 (10”) and Promass Q 300 DN 25 (1”)

  • •Best measuring accuracy (±0.05% o.r.) and exceptional repeatability (±0.025%) over the entire measuring range: tested and confirmed on various external, accredited oil and gas calibration facilities


  • •Excellent measuring performance for liquids with microbubbles thanks to patented MFT (Multi-Frequency Technology)


  • •Outstanding density measuring accuracy (tested by H&D Fitzgerald/UK): ±0.2 kg/m³ (±0.0002 g/cm³)


  • •Best turndown and zero-point stability in the industry


  • •Can be used for process temperatures up to 205 °C (401 °F) or in the low temperature range down to –196 °C (–321 °F)


4-tube technology – one-of-a-kind, worldwide

A revolution in the flow market, 4-tube technology offers customers unbeatable advantages. Compared to Coriolis flowmeters with two measuring tubes, four tubes allow up to 25% higher flow rates. This speeds up all transactions in the oil and gas business and thus saves money by reducing, for example, standstill times for loading and unloading oil tankers, resulting in lower port charges. Another advantage is that unwanted pressure losses are much less significant with four measuring tubes.

Robust and compact

Promass Q sensors, which are available in stainless steel and in IP66/67, ensure reliable and low-maintenance long-term operation. Therefore, the sometimes-harsh environmental conditions in the offshore area with humid atmosphere and salty splash water do not pose a problem for smooth measurement operation. The compact design is unparalleled relative to the flow capacity that can be reached (max. 2400 t/h – 18 900 bph). It allows for installation even in the most confined spaces.

MC Proline Promass Q300 500 With Smart 4 Tube Technology Endress Hauser 2 725x400

Promass Q 300 for pipe size DN 250 (10”) in the calibration system

Best measuring performance in the industry

Numerous test measurements have proven Endress+Hauser Coriolis flow measuring technology to be the best method for viscous hydrocarbons (heavy oils, bitumen, etc.) or fluids with entrained gas. This is particularly true for Promass Q with line sizes DN 150 (6") to 250 (10"). Thanks to its special measuring tube geometry and the innovative 4-tube technology with two independent measuring tube pairs (“2 in 1”), both flow and density measurements can be carried out with unmatched performance.

Proline 300/500 transmitters – proven for years

The Proline 300/500 transmitters that can be combined with Promass Q sensors offer numerous innovations that have been proven for years and give customers genuine added value in their plants. These include WLAN (web server) for wireless operation and configuration on site, HistoROM for safe storage of configuration and device data, as well as Heartbeat Technology for diagnostics, device verification and process monitoring.


Watch the video: Proline Promass Q with 4-tube technology – The new standard in the oil and gas industry

Thanks to its revolutionary 4-tube technology and an extended measuring range for pipelines up to DN 250 (10"), Proline Promass Q from Endress+Hauser opens up numerous promising applications in the oil and gas industry. Low pressure loss and outstanding measuring accuracy are just two examples of its many benefits. Watch this animations to learn how the 4-tube technology works.


For an overview of the Coriolis Flow Measuring Principle, watch this video

Born in 1792, the French mathematician and physicist Gustave Gaspard de Coriolis was the first to describe the force that history has named after him. This force is particularly noticeable in rotating systems. The experiments and simulations shown in this film illustrate what it's all about.

Coriolis flow measurement is the simultaneous measurement of mass flow, density, temperature and viscosity. The Coriolis measuring principle is used in a wide range of different branches of industry, such as the life sciences, chemicals, petrochemicals, oil and gas, food, and – no less importantly – in custody transfer applications.

Endress Hauser Logo 300x150








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