Thermal Mass Flow Meter

THMF

The THMF Thermal Mass Flow Meter is a high-precision instrument designed for direct measurement of gas mass flow and volume flow without the need for temperature or pressure compensation. Based on thermal dispersion (heat transfer) technology, it provides accurate and stable measurement across a wide range of gas applications. With features like hot-tap installation, wide velocity range, and robust industrial design, it is ideal for continuous gas flow monitoring in industrial environments.

Direct mass flow measurement (no compensation required)
Accurate and stable gas flow monitoring
Wide measurement range for different applications
Minimal maintenance and long-term reliability
Supports online installation without process shutdown

Application-Based Customization

Engineered for Your Process Conditions

Expert Selection Support

Reliable After-Sales Service

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Measures both mass flow and volumetric flow of gases
No need for temperature and pressure compensation
Wide velocity range: 0.1 to 100 Nm/s
Fast response time (~1 second)
High accuracy: ±1 to ±2.5%
Hot-tap installation (no shutdown required)
Insertion and flanged type options available
Good vibration resistance for industrial environments
Dual power supply: AC 220V / DC 24V
Modular PCB design for easy maintenance
Anti-flush-out design for high-pressure safety
Supports multiple outputs: 4–20 mA, Pulse, RS485, HART

Compressed air monitoring
Natural gas and fuel gas measurement
Boiler and burner air flow monitoring
Chemical and petrochemical plants
Power plants and energy management
Steel, cement, and industrial processes
Environmental monitoring and gas distribution systems

Measurement Medium: Various gases(except acetylene)
Pipe Size: DN10 – DN4000
Velocity Range: 0.1 – 100 Nm/s
Accuracy: ±1 ~ ±2.5%
Response Time: ~1 second
Working Temperature Sensor: –40°C to +220°C
Transmitter Temp: –20°C to +45°C
Working Pressure: ≤1.6 MPa
Power Supply: 24VDC / 220VAC
Power Consumption: ≤18–19W
Output: 4–20 mA, Pulse
Communication: RS485, HART
Alarm Output: Relay (NO, configurable)
Display: 4-line LCD (flow, totalizer, velocity, time)
Protection: IP65
Construction: Compact / Remote
Sensor Type: Insertion / Flanged

Comprehensive Services Using This Product

From installation to ongoing support, we’re with you every step of the way.

Thermography

Infrared imaging for proactive maintenance and safety.

Calibration

Precise calibration ensuring measurement accuracy and compliance.

Industries Using This Product

Our solutions are trusted by top industries to drive growth and improve operations.

Power

Optimizing power plant operations with real-time monitoring and predictive maintenance solutions.

Water

Reliable solutions for water treatment and quality monitoring in industrial applications.

Steel

Advanced monitoring systems for efficient steel production, ensuring product consistency and safety.

Glass

Advanced instrumentation to ensure precise control and quality in glass manufacturing.

Metals

Advanced monitoring systems for efficient metal production, ensuring product consistency and safety.

Pulp & Paper

Optimizing pulp and paper production with integrated solutions for quality and efficiency.

Food & Beverage

Improving production and safety in food and beverage industries with real-time monitoring.

Chemicals & Fertilisers

Precision solutions for chemical processes, ensuring compliance and operational efficiency.

What Customers Say About Us

Trusted Engineering Support

The team provided clear technical guidance and practical solutions. Execution was smooth and well coordinated throughout.

Mr. Vivek NairGeneral Manager – Operations, Cement Industry

Dependable Technical Partner

Their approach was systematic and aligned with our plant needs. Overall experience with product and service has been positive.

Ms. Kavita RaoSenior Manager – Maintenance, Steel Sector

Application-Focused Solutions

They understood our process conditions before recommending equipment. Support during installation was handled professionally.

Mr. Rohan MehtaProject Lead – Power Plant

Consistent Service Delivery

Product performance has been stable in regular operations. The support team responds in a timely manner.

Mr. Anil DeshmukhInstrumentation Head, Process Manufacturing

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