ABB Ltd has announced that its thermal mass flow measurement technology has obtained SIL 2 certification, marking a significant milestone in functional safety compliance for industrial instrumentation.
This certification confirms that the technology meets strict international safety integrity requirements, enabling its use in safety-critical applications across process industries such as oil and gas, chemicals, and energy.

SIL (Safety Integrity Level) is defined under the IEC 61508 standard and represents the reliability level of safety-related systems.
SIL 2 indicates:
This certification is widely required in industries where process safety is critical.
The thermal mass flow measurement system developed by ABB Ltd is designed to accurately measure gas flow based on thermal dispersion principles.
Key features include:
With SIL 2 certification, the technology can now be widely applied in safety-sensitive environments, including:
Gas flow monitoring in pipelines, refineries, and processing facilities.
Accurate measurement of process gases for safe chemical reactions.
Combustion air and fuel gas monitoring for boilers and turbines.
Emission monitoring and process optimization in manufacturing systems.
Improved reliability reduces risk in critical process environments.
Helps industries meet strict international safety standards.
Accurate flow data supports better control and optimization.
Robust design ensures long-term stable performance.
Flow measurement technologies are essential components of modern industrial automation systems.
ABB Ltd continues to integrate measurement devices into digital ecosystems that support:
These capabilities enhance overall plant efficiency and safety.

The certification reflects broader industry trends:
Safety-certified instrumentation is becoming a key requirement in modern industrial facilities.
The SIL 2 certification of ABB’s thermal mass flow measurement technology highlights the company’s commitment to safety, reliability, and innovation in industrial instrumentation. By enabling deployment in safety-critical applications, ABB Ltd strengthens its position in global process automation and industrial measurement markets.