Thermal Mass Flow Meters

Deliver direct mass flow measurement with low pressure drop and no moving parts, supporting SRB Controls’ gas flow and energy monitoring solutions.

Thermal mass flow meters provide direct mass flow measurement for gases using heat transfer principles. They offer high accuracy, excellent repeatability, and no need for pressure or temperature compensation. Ideal for energy monitoring and process control, they feature inline or insertion designs and optional outputs like digital communication and diagnostics.

Fox FTx series
Sierra 620/625/640/645/740/745/780/TM/qMix series
Onicon F-5400/F-5500
ABB FMT series
E&H Proline t-mass series

Trusted
Manufacturers

Expert Commissioning

Fast Customer
Support

Product Video

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Product Overview

Thermal mass flow meters deliver direct gas mass flow measurement using heat transfer technology. Available in inline or insertion designs, they offer high accuracy, wide pipe coverage, and optional outputs like energy calculation and digital communication. Ideal for energy monitoring, emissions control, and industrial gas applications.

Inline Thermal Mass Flow Meters
Inline thermal mass meters measure gas flow directly without additional sensors for pressure or temperature. They provide ±1% accuracy, handle pipe sizes DN15–DN3000, and operate up to 100 bar and +180°C. Optional outputs include energy calculation and digital communication. Ideal for custody transfer and process control.

Insertion Thermal Mass Flow Meters
Insertion thermal mass meters offer cost-effective gas flow measurement for large pipes and ducts. They provide ±1.5% accuracy, easy installation, and minimal maintenance. Suitable for DN80–DN3000, they handle up to 100 bar and +180°C, with optional energy calculation and digital outputs for monitoring and reporting.

Thermal Mass Flow Meters

 

Feature Specification
Product Type Thermal Mass Flow Meter
Measurement Principle Heat transfer from heated sensor to gas flow
Measured Media Clean, dry gases (air, natural gas, biogas, etc.)
Pipe Size Range DN15 to DN3000 (½” to 120″)
Accuracy ±1% of reading (repeatability ±0.25%)
Process Pressure Up to 100 bar (1450 psi)
Process Temperature -40°C to +180°C
Optional Outputs Energy calculation, diagnostics, digital communication (HART®, Modbus, PROFIBUS), analog 4–20 mA
Applications Gas flow monitoring, energy management, emissions control

Product Solutions

Product Services

Downloads

Name Document Type Links
Thermal Meter A – Data Sheet Data Sheet Data Sheet PDF
Thermal Meter A – Installation Manual Manual Manual PDF
Thermal Meter B – Certification Certification Certification PDF
Thermal Meter A – Installation Manual Manual Manual PDF

 

Tailored solutions for every application

No two operations are the same. At SRB Controls, we take a consultative approach to fully understand your unique goals and challenges. By working closely with you, we tailor custom solutions that ensure the right product for your industry, optimizing performance and longevity.

Industry leading accuracy you can rely on

SRB Controls offers high-precision instrumentation that ensures the most accurate measurements across a wide range of industrial applications. With advanced technology and expert calibration, our products help eliminate errors and enhance operational efficiency.

From installation to maintenance – we’ve got you covered

At SRB Controls, we don’t just sell products—we provide full-service support. Our expert team offers ongoing calibration, maintenance, and troubleshooting to ensure your systems continue to perform at their best long after installation.
Recommended Products

Request a quote today

Get a customized quote tailored to your specific needs. Our team is ready to help you find the right solutions at the best value. Reach out today!