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M1000 electromagnetic flow meter
ref : M1000

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M2000 electromagnetic flow meter
ref : M2000

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M3000/4000 ATEX electromagnetic flow meter
ref : M3000/4000

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Stand-alone electromagnetic flow meter M5000
ref : M5000

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Pitot tubes - Flow measurement with primay element
ref : PITOT

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V-CONE flow meter - Flow measurement with primay element
ref : VCONE

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Orifice plate flowmeter - Flow measurement with primary element
ref : PO

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Multi-hole orifice plate flowmeter - Flow measurement with primary element
ref : POM

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Diaphragm flow meter - Flow measurement with primay element
ref : DM

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Venturi tube flow meter - Flow measurement with primary element

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Integral orifice flowmeter - Flow measurement with primary element

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Microventuri flow meter - ZMV - Flow measurement with primary element
ref : ZMV

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Nozzle flow meter - Flow measurement with primay element

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Flow and thermal energy calculator - ERW700
ref : ERW700
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depending on configuration
3745,00 €
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Automatic declogging unit - DEV 200
ref : DEV200

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Configuration software for FSC - PFC ultrasonic flowmeters
ref : PFC

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Ultrasonic thickness gauge - FSC - MEP8812
ref : FSC-MEP8812

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Temperature converter - FSC- PTCONV
ref : FSC-PTCONV

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Annular chambers for orifice plate flow meters
ref : CA

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PT 100 clamp on
ref : FSC-PT100-10
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265,00 €
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Ultrasonic flow meter portable - FSC
Measure the flow of your liquids easily, anytime, anywhere, with Fuji Electric's portable ultrasonic flowmeter!
Ultrasonic flow meter for liquids
Do you need to measure liquid flow without drilling? Non-intrusive ultrasonic flowmeters optimize your industrial processes and save energy.
Primary element flow meter for gas, steam and liquid
Do you need to measure the flow of a liquid, gas or steam? We manufacture primary elements with dp transmitters.
Electromagnetic flow meter: Flow measurement for liquids
Discover the electromagnetic flowmeter - the most accurate way to measure liquid flows.
Integral ultrasonic flow meter S-Flow
Looking for a non-intrusive water flow meter? The S-Flow integrated ultrasonic flowmeter is easy to install, compact and economical.
Ultrasonic flow meter M-Flow PW
Measure liquid flow accurately and effortlessly with our compact, lightweight, non-intrusive portable ultrasonic flowmeter. Tailored to your application.
Time Delta-C ultrasonic flow meter for liquid
Ultrasonic flowmeter for liquids. High accuracy and wide measurement range. Easy, low-cost installation without interrupting the process.
Time Delta-C ultrasonic flowmeter (extended)
Measure two liquid flows simultaneously and control your consumption with the extended model ultrasonic flowmeter. Configurable for all applications.
Clamp-on ultrasonic flow measurement for steam
Discover the Benefits of Non-Intrusive Ultrasonic Flow Measurement for Steam | Improve Accuracy, Save Time and Reduce Costs Harness the Power of Innovative Technology!
Ultrasonic compressed air flow meter
Achieve major energy savings by detecting your consumer networks and air leaks with the ultrasonic compressed air flowmeter.
Flow meter for nitrogen gas : The essential guide
Explore the precise world of nitrogen gas measurement with our comprehensive guide to flowmeters.
Biogas flow meter for landfill gas and WWTP gas
Optimize your energy recovery processes with Fuji Electric's biogas flowmeters for landfill gas and WWTP gas.
Pitot tube
Pitot tubes are ideal for measuring gases, liquids and steam. They provide low pressure drop.
Orifice plate
Orifice and diaphragm flow meter for liquid, gas and steam. Cost-effective flow measurement at your fingertips.
Venturi tube flow meter
Improve the accuracy of your liquid, gas and steam measurements, even under difficult conditions, with Fuji Electric's venturi tube flow meters.
Integral orifice flow meter for liquid and gas
Fuji Electric's integral orifice flowmeters allow you to easily measure low flows of liquid or gas in small-diameter pipes.
Microventuri flue gas flow meter
Designed for demanding industrial applications, Fuji Electric offers you the right instrument for your Microventuri flue gas flow measurements.
V-Cone flow meter
The V-cone flowmeter allows you to measure the flow of a liquid, gas or vapour with excellent accuracy and repeatability without the need for a straight length.
Low-cost electromagnetic flow meter M1000
The M1000 electromagnetic flow meter is a cost-effective solution for reliable liquid flow measurement in industrial environments.
M2000 electromagnetic flow meter
The M2000 electromagnetic flow meter is one of the best solutions for measuring liquid flow.
M3000/4000 ATEX electromagnetic flow meter
Increase your safety with our M3000 and M4000 ATEX electromagnetic flow meters, designed for use in hazardous areas: pharmaceuticals/chemicals/water treatment.
Stand-alone electromagnetic flow meter M5000
The M5000 electromagnetic flowmeter is a self-contained, battery-powered, highly accurate flowmeter for the water market.
Flow and thermal energy calculator
Do you need to know how much thermal energy your systems are producing? Choose a thermal flow and heat calculator for liquid, gas or steam.
Discontinuating products - Ultrasonic flow meters and electromagnetic flow meters
Discover Fuji Electric's new flowmeter references, combining precision, energy efficiency and durability for an optimized transition.

How do you measure the mass or volume flow of liquid, water, gas or steam?

Our experts explain the definition, operation and principle, and present the different types of flow meters, their installation and maintenance.

Two technicians wearing helmets inspecting a flow meter installed on an industrial pipe in a technical environment — Inspection of an industrial flow meter for measuring the flow of liquids, gases, or steam in a process network.

Process line for measuring liquid flow in a factory with an operator controlling the process in the background

Learn all about flow measurement.

Flow meters measure the flow of fluids in pipes and are used in most industrial processes. There are several categories of flow meters.

In order to select the most suitable flowmeter type for a particular application, it is important to take into account process conditions, desired range and accuracy, fluid cleanliness requirements and whether it will be used to measure liquids or gases.

Overview of various industrial flow meters and associated transmitters for measuring flow rates in liquids, gases, and steam — Overview of the main types of industrial flow meters available for measuring the flow of liquids, water, gas, or steam.

Diagram illustrating the relationship between the volume flowing through a tank and time to define the flow rate in a pipe

What is the definition of a flowmeter?

There are two types of flow meters: volumetric flow meters and mass flow meters. A volumetric flow meter is a versatile instrument that measures the amount of fluid (volume) passing through a given point in a certain period of time. This device measures the volume and flow rate of fluid flowing through a pipe, typically liquid flow such as water, gas flow, and steam flow.

Some measuring instruments measure mass flow, i.e. the mass of fluid flowing through a pipe over a given period of time. Conversion between volume flow and mass flow is possible when the density of the fluid is known, and other characteristics such as pressure and temperature are also known.

Note: Flow meters and flow indicators should not be confused, as flow indicators do not measure the value of flow, but simply indicate whether or not fluid is moving in a circuit.

Industrial stainless steel piping network with elbows and valves in a process plant

What is the unit of flow measurement?

Volumetric flow rate for measuring the flow of liquids and gases, usually represented by the symbol Q, is normally expressed in m³/h or l/s.

Mass flow is expressed in grams per second (g/s) or kilograms per hour (kg/h). A common mistake made when installing flowmeters is to confuse total counters with flow units.

Total meters measure the flow that has passed through the meter since it was first switched on.

How to choose the right flowmeter?

Modern flowmeters are manufactured using a wide range of technologies, exploiting a variety of physical phenomena. Their research and selection require the verification of a number of parameters.

Hands collecting clear water in motion, illustrating a natural liquid fluid and its physical characteristics

Type of fluid

Flowmeters for liquid and gas applications are not the same, so you need to take into account what will be flowing through the pipe.
For example, you need to know whether you're measuring liquid, gas (e.g. air) or vapor flow.

Volume or mass flowmeters

Most flowmeters are capable of measuring volumetric flows, but in some cases you may also wish to measure mass flows.

Industrial installation with network of insulated pipes, valves, and equipment illustrating the operating conditions of fluids

Fluid operating conditions

What is the maximum pressure of the fluid to be measured?
What is the minimum and maximum temperature of the fluid to be measured?
A sensor's ability to measure temperature depends on its type.
Some sensors are only suitable for measuring a single temperature, while others can measure a wide range of temperatures.
What minimum and maximum flow rates will you be measuring?

Stack of metal pipes of various diameters showing industrial piping used for transporting fluids

Pipe size
Pressure losses

For low flow rates, the pressure losses induced by the installation of a flowmeter are a major cost factor.
Minimizing pressure loss means minimizing friction losses in piping systems.
One of the main objectives of flowmeter design is to minimize frictional pressure drop as much as possible.
The pressure drop across a flowmeter must be minimal and constant under different operating conditions.

The outside environment

Stainless steel pipe loops with aligned manual valves illustrating installation constraints on a process line

Installation conditions: In general, the installation conditions for future flow meters should also be taken into account.

When a pipe network contains bends, valves, diameter changes and other irregularities, disturbances occur in the fluid flow, and some measurement technologies are sensitive to these disturbances.
To avoid measurement errors caused by these disturbances, it is necessary to place a sufficient length of straight pipe in front of the flowmeter to ensure that the fluid flow is not disturbed.
This straight length of pipe in front of the flowmeter is expressed as a function of the pipe diameter (DN).

Other factors to consider include the flowmeter's accuracy and repeatability, as well as the analog or pulse output signal and communication protocol.

Accuracy must be stable, i.e. the variation in measurement error when the operating environment changes is within a fixed range.
The flow meter must have high repeatability, i.e. the difference between two consecutive measurements must lie within a fixed range. This ensures that the meter can measure the same flow rate under different pressure conditions and with varying inlet flow rates.
The output signal is available as 4-20mA, 0-10V, 4-20mA/0-10V, pulse, digital HART, MODBUS.

How does a flowmeter work and what is its principle?

Have you ever wondered how a flowmeter works? Let's discuss the various popular technologies for measuring the flow of liquids, gases and steam.

What are the different flowmeter technologies?

Electromagnetic flow meters :

Electromagnetic flow meters consist of a transmitter and a sensor that measure flow.
When a fluid passes through a pipe, the sensor of the electromagnetic flow meter, located on the outside, measures an induced voltage generated by the liquid. The transmitter measures the voltage produced by the sensor and converts it into a flow rate value. An electromagnetic flow meter measures flow using a pair of electrodes and a set of coils. The coils of the electromagnetic flow meter are driven by the transmitter as a result of applied currents. Once powered, a magnetic field is formed between the two coils. When the pipe is filled and the fluid begins to flow, the force of the magnetic field separates the negatively and positively charged particles in the fluid.

Schematic diagram illustrating Faraday's law with magnetic field, electrodes, and induced voltage in a pipe

Faraday's law, described mathematically as E = k*B*D*V, is a principle of flow in magnetic flow meters.
The induced voltage (E) is directly proportional to the velocity (V) of the fluid flowing in the magnetic field (B).
The electrode circuit transmits the induced voltage to the transmitter, which converts the velocity into a quantitative measurement.
The volume of the fluid is calculated based on this known velocity and the cross-sectional area of the pipe.

Economical
Low maintenance
Wide range of applications
Bidirectional measurement
High measurement dynamics

Electromagnetic flowmeter installed on a pipe with a transmitter mounted at the head in an industrial installation

Why choose an electromagnetic flow meter?

Economical for liquids such as water, wastewater, aggressive chemicals, and sludge
Low maintenance (not sensitive to particles, no moving parts, no clogging)
Wide range of applications (coating materials, electrode options, pipe diameters)
Bidirectional measurement
High measurement dynamics (measurement of very small and very large volume flows)

Brochure

Electromagnetic flow meters, a simple and economical solution for conductive liquids

Download your brochure to select your ideal electromagnetic flow meter.

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Ultrasonic flow meters :

Ultrasonic flowmeters use the transit time difference or Doppler effect method. The transit time method is based on the fact that the transmission speed of an ultrasonic signal depends on the flow velocity of the medium. An ultrasonic wave moving with the flow moves faster than one moving against it. Two transducers are installed face to face on the outer wall of the pipe. The transducers each emit an ultrasonic pulse and detect the difference in pulse transit time to calculate the flow rate.

High measurement dynamics
No interruption of the process
No direct contact with the fluid
Low installation costs
Low maintenance

Clamp-on ultrasonic flow meter attached to a pipe with an external sensor measuring flow without contact with the fluid

Why choose an ultrasonic flowmeter?

Non-intrusive clamp-on ultrasonic flowmeter technology offers numerous advantages and is revolutionizing flow measurement throughout history:

High measurement dynamics
No process interruption during installation
No direct contact with the fluid
Low installation costs
Low maintenance
Available as portable ultrasonic flow meters and ultrasonic flow meters for small diameters

Brochure

Ultrasonic flow meters for steam, liquids, and air

Download your brochure to select your ideal ultrasonic flow meter.

Download

Differential pressure flow meter with integrated pressure reducing device and associated transmitter for measuring flow in a pipe

Differential pressure flowmeters with primary element

Differential pressure transmitter (DP) technology for flow measurement using a primary element uses a variation of Bernoulli's principle to measure the volumetric flow rate of fluid in a pipe.
In our application of Bernoulli's principle, it is stipulated that the flow velocity increases and the pressure decreases when the flow passes through a restriction in the pipe. This makes it possible to determine the differential pressure across the restriction. The square root of this differential pressure is proportional to the flow rate. A differential pressure (DP) flow meter consists of two elements, a primary element that causes a pressure drop and a secondary element (a pressure transmitter) to measure the differential pressure.

Simple device
economic
Flexible installation
Wide range of applications

Industrial installation with differential pressure flow meter and primary element mounted on an insulated vertical pipe

Why choose a differential pressure flowmeter with a primary element?

Simple device with no moving parts
Economical
Installation in any position
Wide range of applications and processes (gases, liquids, steam)

Technician equipped with PPE installing a flow meter on an industrial installation with on-site parameter control

How to install a flowmeter?

When installing flowmeters, remember to install the meter in a straight section of pipe to eliminate disturbances caused by elbows, valves and other obstructions.

Commissioning of a clamp-on ultrasonic flow meter with electronic housing installed on an insulated pipe

How do I configure a flowmeter?

If you want to install a flowmeter, you need to commission it.

Commissioning a flowmeter

Installing the instruments and connecting the pipes is called commissioning.
It's a complex job that requires a team of skilled people with a wealth of experience.
This operation can be carried out by technicians trained in instrumentation, or by the manufacturer's technical services.

Flowmeter training

Instrument training for the user is very important in order to configure the flowmeter according to expectations.
This training ensures that you know how to read the flowmeter screen, and how to use the configuration menu and parameters.
You'll be able to ask any questions you may have.

Technician holding a portable diagnostic device displaying measurements for flow meter inspection and maintenance

How do I maintain a flowmeter?

The importance of effective and regular maintenance of flow meters is that, during normal operation, flow meters are exposed to a wide variety of contaminants.

These can take the form of suspended solids carried by the medium being measured (such as dirt in water) or liquid/solid deposits formed on the outer surface of the flow meter (such as scale or corrosive products). To minimize the risk of fouling and ensure accurate measurement over long periods, it is necessary to clean it regularly.
Ideally, a flow meter should be cleaned once a year, or more frequently if it is exposed to particularly harsh conditions.

Cleaning inline flow meters not only extends their service life, but also ensures optimal performance at all times. Regular cleaning prevents dirt buildup and other blockages in your meters, eliminating false readings and ensuring that you get accurate measurements every time you use them.

Non-intrusive flowmeters have the advantage of not being in direct contact with the fluid and requiring no maintenance.

Calibration is important, as it ensures accurate readings. If a meter is not properly calibrated, it will not provide reliable data that can be used for plant maintenance and improvement. It is also important to calibrate meters before they are put into service, as incorrect calibration can lead to a drop in accuracy over time. Calibration ensures that measurements are taken at a consistent point that delivers accurate results every time.

The best way to ensure the continued accuracy of your equipment is through ongoing verification, maintenance and calibration.
A well-maintained flowmeter will operate more efficiently than one that isn't, which translates into lower operating costs for your business.

Technician performing an electrical test on a flow meter installed on a pipe to check and calibrate the measurement

How to test a flowmeter and calibrate a flowmeter?

A flowmeter must be regularly calibrated to ensure that it continues to provide accurate readings.

Calibration is the process of checking that the meter is operating correctly and providing accurate readings.
Calibration should be carried out in accordance with the manufacturer's datasheet , usually on an annual basis.
Flow meter calibration involves comparing its output with a known input.

This can be achieved using an external reference by comparing the output with another device, such as a secondary flowmeter.Professional calibration of the device is usually carried out by the manufacturer or supplier of the flow measurement equipment. However, if the warranty period has expired, or if the manufacturer or supplier does not provide a calibration service, you can send your flowmeter to a specialist company for calibration.

Two technicians in safety gear observing a complex industrial installation with piping and process equipment

What are the applications for flowmeters?

The various categories of flow meters are used to measure and control flow in a number of applications, including the paper and cardboard industry, mining and metallurgy, clean water and wastewater, food processing, chemicals and petrochemicals, oil and gas.

They are suitable for a wide range of applications, from clean or contaminated liquids, through highly corrosive or abrasive gases, to saturated and superheated steam. The choice of technology depends on the application and the constraints of the industrial environment.

Fuji Electric France is at your disposal to help you find the right flowmeter for your application.

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