Flow Meters

Flow Measurement Solutions Built for Precise Measurement and Operational Efficiency

Improve process performance with Yokogawa flow meters. Whether you need increased confidence in your most critical measurements, improved utility performance, or a durable measurement solution for challenging fluids, Yokogawa flow meters combine over 100 years of measurement expertise with advanced digital technologies to deliver the data you need to improve efficiency and enable better operational decisions. With solutions designed for liquids, gases, and steam, measurements from Yokogawa flow meters help manufacturers optimize operations, improve product quality, reduce energy waste, and achieve more consistent process performance across a wide range of applications.

Industrial Flow Measurement Handbook

Want To Learn More?

Yokogawa's Industrial Flow Measurement Handbook serves as an accessible guide to accurate and reliable flow measurement

What Do You Need to Measure?

Mass Flow, Density & Concentration

Coriolis Flowmeters directly measure mass flow while simultaneously providing density and temperature data for applications where product quality and process consistency are critical.

Corrosive Liquids & Slurries

Our Magnetic Flowmeters feature reinfoced measurement tubes that can weather conductive liquids, including corrosive chemicals, wastewater, slurries, and other difficult process fluids, while providing accurate measurements.

Steam, Air & Industrial Gases

Vortex Flowmeters deliver dependable measurement of steam, compressed air, and industrial gases to help optimize energy usage, reduce operating costs, and improve utility management.

Low-Flow Liquids & Gases

Variable Area Flowmeters provide reliable low-flow measurement and visual indication for liquids and gases without requiring external power, making them ideal for purge systems, analyzer sampling, and laboratory applications.

Flow Meter Product Family

  Magmeter Coriolis Vortex Variable Area/Rotameter Differential Pressure
ADMAG TI ROTAMASS TI VY / digitalYEWFLO RAMC RAGN DPharp
Measurement Volumetric flow ● ● ● ● ● ●
Mass flow ○ ● ○ ○ ○ ○
Temperature   ● ●     ○
Density, Concentration   ●        
Fluid Type Steam     ● ●   ●
Gases   ● ● ●   ●
High-viscosity liquids ● ● ○ ○ ○ ○
Low-viscosity liquids ● ● ● ●   ●
Conductive liquids ● ● ● ●   ●
Non-conductive liquids   ● ● ●   ●
Properties Low pressure loss ●   ●      
Solid content ● ●        
Custody transfer   ●        

   ● = best choice; ○ = possible

 

Details

Flow Meter FAQ

What is a flow meter?

A flow meter is an instrument used to measure the flow rate or quantity of liquids, gases, or steam moving through a process. Flow measurement helps organizations monitor operations, improve efficiency, maintain product quality, and make informed decisions based on reliable process data.

Why is flow measurement important?

Accurate flow measurement helps improve process efficiency, reduce waste, control operating costs, optimize energy consumption, maintain product quality, and support regulatory compliance. Reliable flow data enables better operational and business decisions across industrial processes.

How do I choose the right flow meter for my application?

The best flow meter depends on the fluid being measured, operating conditions, required accuracy, installation constraints, and process objectives. Factors such as pressure, temperature, conductivity, flow range, and maintenance requirements should all be considered when selecting a flow measurement technology.

What information is needed to select a flow meter?

To select the right flow meter, you should understand the fluid type, flow rate, pipe size, operating pressure, operating temperature, fluid conductivity, accuracy requirements, and application goals. This information helps ensure the chosen technology delivers reliable long-term performance.

What flow meter technology is best for my application?

The best flow meter technology depends on the fluid being measured, operating conditions, accuracy requirements, and process objectives. Coriolis flowmeters are often selected for high-accuracy process measurement, magnetic flowmeters for conductive liquids and slurry applications, vortex flowmeters for steam and utility monitoring, and variable area flowmeters for simple local flow indication.

Which flow meter is best for steam measurement?

Vortex flowmeters, like Yokogawa's VY series, are among the most widely used technologies for steam measurement because they provide reliable performance across a broad range of steam conditions. They are commonly used for energy monitoring, utility management, and boiler performance optimization.

Which flow meter is best for water and wastewater applications?

Magnetic flowmeters, like Yokogawa's ADMAG AXW, are commonly used for water and wastewater measurement because they provide accurate flow measurement of conductive liquids without obstructing the flow path. They are widely used in municipal, industrial, and environmental applications.

Which flow meter is best for high-accuracy measurement?

Coriolis flowmeters, like Yokogawa's ROTAMASS Total Insight series, are widely recognized for their high accuracy because they directly measure mass flow and can simultaneously measure density and temperature. They are commonly used in batching, blending, custody transfer, and other critical process applications.

What is the difference between mass flow and volumetric flow measurement?

Mass flow measurement determines the amount of material moving through a process based on mass, while volumetric flow measurement determines the volume of fluid passing through a pipe. Applications involving changing density or temperature often benefit from mass flow measurement.

Do different flow meter technologies have different calibration and maintenance requirements?

Yes. Calibration and maintenance requirements vary by flow meter technology and should be considered alongside accuracy, process conditions, and application requirements when selecting a flow meter. Coriolis flowmeters are often selected for high-accuracy applications and typically require minimal maintenance due to their lack of moving parts. Magnetic flowmeters generally offer low maintenance requirements and are commonly used in water, wastewater, and conductive liquid applications. Vortex flowmeters provide reliable long-term performance for steam, gas, and utility monitoring applications and may require periodic verification based on operating conditions and quality requirements. Variable area flowmeters offer a simple measurement solution with minimal infrastructure requirements and are often used where local indication is sufficient. Calibration intervals depend on the application, process criticality, regulatory requirements, and quality standards. Applications such as custody transfer, batching, and regulated production processes often require more frequent verification or calibration than general monitoring applications.

Resources

Overview:

ADMAG AXG Magnetic Flowmeter Helps to Optimize Production Throughput and Reduce Energy Consumption in Chlor-Alkali Plant

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Supporting next-generation hydrogen production processes toward carbon neutrality by optimizing electrolyzer operations. This application utilizes Cell Voltage Measurement (CVM) to maximize hydrogen output and reduce power consumption.

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Optimizing Steam Injection for Enhanced Oil Recovery with Vortex VY Flowmeter Series. Steam injection is one of the most effective enhanced oil recovery (EOR) methods, but harsh operating conditions demand reliable, maintenance-free flow measurement solutions.

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Yokogawa’s latest generation of ADMAG AXG Series is the most suitable magnetic flowmeter with adhesion level diagnosis and dual-frequency excitation method provides stable flow measurement even under high flow noise in the severe applications like the flow of aluminum slurries.

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In steam-driven processes, the mass flow rate is a key performance indicator. Without accurate mass flow data, operators risk inefficient fuel use, inaccurate energy balancing, and unstable boiler control. A high-precision, compact vortex flowmeter with built-in temperature sensing helps deliver real-time, reliable mass flow measurement, reducing costs and improving operational efficiency.

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During MSG manufacturing it is crucial to control flow during the neutralization process. Unfortunately, traditional magnetic flowmeters encounter accuracy issues due to coating on electrodes from liquids like crystal, slurry, and high-viscosity fluids. Learn how our innovative technology ensures stable measurements even with challenging fluids. Don't miss out on improved accuracy and reduced maintenance downtime.

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Accurate Steam Measurement from Start-up to Full Operation; Steam flow varies widely from start-up to full load. This note highlights how multivariable vortex technology ensures accurate, reliable measurement across all conditions.

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Overview:

Boosting efficiency in Chlor-Alkali Plants with the ADMAG Magnetic Flowmeter provides accurate, stable flow measurement for Brine and Caustic in Chlor-Alkali electrolyzer cells, improving production efficiency and reducing energy consumption.

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Precision flow control for high-purity semiconductor materials with Yokogawa's ROTAMASS TI Coriolis Flowmeter, providing a maintenance-free and durable performance solution for photosensitive materials production.

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Angel Yeast Co., Ltd. is a leading global player in the yeast and deep-processed products industry, with production bases in 13 cities worldwide. Their yeast series products account for over 17% of the global market, ranking second globally.
In their production process, additives like nitrogen, phosphorus, and potassium are crucial, requiring accurate measurement and stabilization to ensure the final product meets specifications. Yokogawa proposed the AXG electromagnetic flowmeter as a solution, providing dual-frequency excitation for both rapid response and reduced noise.

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Overview:

Accurate and reliable measurement of wash oil in a high temperature process to avoid solidification of the chemical, it is essential to adjoin heat and insulation to the piping and equipment. Therefore, thermal management of the pipe runs is required, to avoid any heat loss in the fluid to maintain the fluid properties. 

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Overview:

Accurate and durable magnetic flow meters (magmeters) were difficult to maintain in the process as the corrosive and abrasive nature of the process degraded their operation. That led to leaks that not only reduced the flow but also contaminated the product and the magmeters. Since Sigura maintained strong vigilance, the company needed to replace some magmeters monthly...

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Application Note
Overview:

Avoid flashing issues while loading cryogenic liquids with safe, reliable, and accurate density fluid measurements utilizing Yokogawa’s industry-leading Coriolis flowmeter to eliminate measurement issues and increase the accuracy of inventory. 

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Brewers recognized that correcting flowmeter inefficiencies in out-of-date technology would help them achieve the increased and consistent throughput they needed. 

Industries:
Overview:

Yokogawa’s ADMAG TI - AXG magnetic flowmeter (magmeter) with EtherNet/IP is used to measure the water moving from the pump to the snow cannons. The accurate measurement allows the operator to monitor and control the water in the mixture to produce artificial snow with the perfect consistency.

Overview:

In the food and beverage industry, government regulations for whisky production require compliance of distillation strengths to strict limits. Yokogawa’s ROTAMASS TI Coriolis mass flowmeter is well-matched for the application with its density calibration for ethanol or water percentage and a special calibration for maximum accuracy and stability. The mass flow meter’s dual bent tube technology and advanced software enabled the customer to measure the very small and sensitive range required. Yokogawa commissioned the mass flowmeter onsite to ensure the correct installation and commissioning from the outset, affording Total Insight through the entire product lifecycle. 

Industries:
Overview:

The reliable accuracy of the AXG magmeter is a result of Yokogawa’s proprietary, dual-frequency excitation method, which combines traditional high/low-frequency excitation methods to ensure greater stability and quicker response even if noise or other problems are present in the line. The customer was very pleased with the result, as it allows him to automatically mix yogurt with cherries, which was previously impossible due to the measurement deviations.

Industries:
Overview:

A milk tanker is typically fitted with a pump and flowmeter that records the volume of milk loaded from each individual farm. Confirmation of the total volume of milk delivered to the dairy plant is performed either by weighing the tanker or via flowmeters in the tanker bays.

Industries:
Application Note
Overview:

Accurate measurement of the oil concentration would allow the heat/steam to be adjusted. Increases efficiency and saves money. 

Industries:
Overview:

To meet state requirements for calibration checks, use Meter Verification (part of the Total Insight concept of the ADMAG TI - AXG) to verify the calibration and functionality of each meter. The reliable accuracy of the AXG magmeter results from Yokogawa’s proprietary, dual-frequency excitation method. It combines traditional high/low-frequency excitation methods to ensure greater stability and quicker response even if noise or other problems are present in the line. With EtherNet/IP, an operator can initiate a verification from the HMI to ensure the gallery is running optimally.

Overview:

The condiment facility staff had success with Yokogawa’s ADMAG TI AXG magnetic flowmeters in other applications. When they learned EtherNet/IP communication was now offered on the ADMAG TI - AXG, they chose to use the Yokogawa magmeter solution on the mustard grinding lines.

Industries:
Overview:

Read this eBook to learn how to best leverage the latest measurement instrumentation to avoid incidents and improve productivity. You will also find valuable information about overcoming common CIP challenges and stories of success.

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Overview:

Thanks to a two year upgrade project, Foster's Yatala brewery is now one of the country's most efficient integrated brewing and packaging operations. More than 1,100 measurement and control devices from instrument manufacturer Yokogawa Australia will help keep it that way.

Industries:
They help remove stray energy or noise as it builds up in the flow process by grounding it. They can even help protect the magmeter liner from damage in harsher processes.
Edition 1
Overview:

They help remove stray energy or noise as it builds up in the flow process by grounding it. They can even help protect the magmeter liner from damage in harsher processes.

Sizes 25 to 200 mm (1 to 8 in): 10 µS/cm or greater.
Sizes 1000 mm (40") and below: 20 µS/cm or greater Sizes 1100 mm (44") and above: 50 µS/cm or greater 
Sizes 15 to 100 mm (0.5" to 4"): 0.01 µS/cm or greater Sizes 150 & 200 mm (6" & 8"): 1 µS/cm or greater 
For an integral flowmeter: 12 W For a remote flowtube combined with an AXFA11 converter: 20 W For a remote flowtube combined with an AXFA14 converter: 12 W 
The standard accuracy for the output of an AXF is 0.35% of Rate/Reading. Yokogawa also offers a high grade accuracy calibration option which provides an accuracy of 0.2%.
Sizes 2.5 to 10 mm (0.1 to 0.4 in): 5 µS/cm or greater Sizes 15 to 125 mm (0.5 to 5 in): 1 µS/cm or greater Sizes 150 to 400 mm (6 to 16 in): 3 µS/cm or greater When conductivity is below the 3 µS/cm, we recommend using ...

Downloads

Videos

Overview:

Discover how Yokogawa’s Total Insight Flowmeters with Process Guard transform operational safety and efficiency. In this video, we highlight its advanced capabilities in monitoring, diagnostics, and proactive intervention to minimize risks and maximize uptime.

Overview:

See Yokogawa technology in action.

In this video from YNOW2026, a Yokogawa subject matter expert takes a closer look at our products, the technology behind them, and how they are applied to solve challenges across industrial operations.

Explore more from OpreX Measurement: Measurement | Yokogawa America

Overview:

This video covers the navigation and basic structure of the Yokogawa Magnetic Flow Meter ADMAG TI - AXG with EtherNet/IP webserver.

>  Video: How to Connect to Webserver

Overview:

To effectively control and optimize industrial processes, trusting measurements from flowmeters is vital.

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