is part of the IEC 61298 series of international standards published by the International Electrotechnical Commission (IEC). The series serves as a comprehensive guide for manufacturers and testing laboratories on how to evaluate the performance of process measurement and control equipment.
In some regulatory contexts (e.g., EU harmonized standards for CE marking), it may be required. In general, it is a voluntary international standard unless referenced by regulations or product-specific standards.
| Section | Test Category | Key Elements | |---|---|---| | 4 | Accuracy related factors | Test procedures and precautions; selection of ranges; preconditioning cycles; measurement cycles; determination of dead band | | 5 | Dynamic behaviour | Frequency response; step response | | 6 | Functional characteristics | Input resistance; insulation (resistance and dielectric strength); power consumption; output ripple; air flow characteristics; switching differential | | 7 | Drift | Start-up drift; long-term drift | iec 612982 new
The updated standard defines precise criteria for evaluating performance. It ensures that test labs can reproduce identical environments anywhere in the world.
The IEC 61298 series, a foundational set of standards for evaluating the performance of process measurement and control devices, is undergoing its first major overhaul since 2008 . The International Electrotechnical Commission (IEC) is currently transitioning to the of this series to better align with modern industrial technologies. The Evolution of IEC 61298 is part of the IEC 61298 series of
For absolute pressure transmitters and barometric sensors, the edition adds:
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Updated guidelines for measuring start-up and long-term drift to ensure devices maintain reliability over extended operation.
Historically, tests were strictly physical. You put the transmitter on a shaker table or inside a thermal chamber. The new revision formally introduces a framework for using digital twins.