Thermal Mass Gas Flow Meters – Accurate, Stable, And Reliable Gas Measurement

In modern industrial processes, accurate gas flow measurement is essential for energy management, process optimization, and safety control.
At F&V Group, we offer high-performance Thermal Mass Gas Flow Meters designed to deliver direct mass flow measurement, long-term stability, and low maintenance for a wide range of industrial applications.

What Is a Thermal Mass Gas Flow Meter?

A Thermal Mass Gas Flow Meter measures the mass flow rate of gas directly, based on the principle of heat transfer.
Unlike traditional volumetric flow meters, it is not affected by pressure or temperature fluctuations, eliminating the need for additional compensation.

Simply put:

    ● Measures mass flow, not volume

    ● No pressure or temperature correction required

    ● Ideal for continuous gas monitoring

⚙️ How It Works (In Simple Terms)

The sensor contains two temperature elements:

    ● One acts as a reference sensor

    ● The other is a heated sensor

As gas flows across the sensor, it carries heat away.
The amount of heat loss is directly proportional to the mass flow rate of the gas, allowing the instrument to calculate flow accurately and in real time.

More flow = more heat carried away = higher signal output

⭐ Key Advantages

✔ Direct mass flow measurement (Nm³/h, kg/h, etc.)
✔ High accuracy and repeatability, especially at low flow rates
✔ Wide turndown ratio, suitable for fluctuating processes
✔ No moving parts → minimal wear and long service life
✔ Low pressure loss, ideal for energy-saving systems
✔ Fast response time for dynamic process control

Typical Applications

Our thermal mass gas flow meters are widely used in:

    ● Compressed air monitoring systems

    ● Boiler combustion air measurement

    ● Industrial gas supply (air, nitrogen, oxygen, biogas, etc.)

    ● Environmental monitoring and emission control

    ● Semiconductor, chemical, and power industries

Designed for Engineers, Friendly for Users

For engineers, our instruments provide:

    ● Stable sensor design

    ● Digital signal processing

    ● Multiple output options (4–20 mA, Pulse, Modbus, HART, etc.)

For operators and beginners:

    ● Clear display interface

    ● Easy installation and commissioning

    ● Minimal maintenance requirements

Why Choose F&V Group?

With years of experience in industrial instrumentation and flow measurement, F&V Group is committed to providing:

    ● Reliable product quality

    ● Professional technical support

    ● Solutions tailored for international industrial markets

If you are unsure about model selection or application suitability, feel free to contact us — our engineers are always ready to assist you.
Web: www.fandvgroup.com
Email: Dora.chen@fvluoky.com