en.Wedoany.com Reported - ABB's Sensymaster FMT400 flowmeter has obtained SIL 2 certification from TÜV SÜD in accordance with the international functional safety standard IEC 61508-2. It can be used for thermal mass flow measurement in the chemical, oil and gas, power and utility, and industrial gas industries, suitable for safety-critical process applications.
The SIL 2 certification enables the Sensymaster to be directly integrated into automated safety instrumented systems (SIS), a key component of process automation architectures. Previously, thermal mass flow measurement was often excluded from SIS designs due to a lack of functional safety certification.
The Sensymaster measures flow by evaluating the cooling degree of a heated sensor as gas flows over it, rather than directly measuring the actual volume of the gas. As a mature gas flow measurement technology, this device provides direct mass flow measurement for natural gas and industrial gases, and features continuous self-diagnostics for fault detection. In gas flow measurement, plant operators need sensors that not only measure accurately but also detect faults early before safety incidents occur, which has significant implications for plant processes.
Gerrit Weppner, Global Product Manager for ABB's Measurement & Analytics division, stated that increasingly stringent regulations require process plants to use SIL-rated instruments in all critical loops. The Sensymaster's SIL 2 certification allows process engineers to directly incorporate thermal mass flow measurement into their safety loops, with fault data verified by a third party.
With its built-in continuous self-diagnostics, the Sensymaster supports digital plant strategies, enabling predictive maintenance and real-time device health monitoring, thereby reducing reliance on manual inspections and improving overall plant availability.
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