IEC 63374:2025 pdf download,Nuclear power plants – Instrumentation systems important to safety – Characteristics and test methods of nuclear reactor reactivity meters. IEC 63374:2025 defines the characteristics and test methods for reactivity meters. This document does not cover alternative approaches for measuring reactivity. It offers guidance for the design, manufacturing, and operation of these instruments.

IEC 62065:2025 pdf download,Maritime navigation and radiocommunication equipment and systems – Track control systems – Operational and performance requirements, test methods and required test results. IEC 62065:2025 defines the minimum operational and performance requirements, test methods, and required test results that comply with the performance standards established by the IMO in Resolution MSC.74(69), Annex 2: Recommendation

IEC 61252:2025 pdf download,Electroacoustics – Personal sound exposure meters. IEC 61252:2025 is applicable to devices intended for personal wear, configured as specified by the manufacturer, to assess sound immission from steady, intermittent, fluctuating, irregular, or impulsive noise sources. To ensure reproducible results, the specifications and tests for response to sound waves are defined under conditions

IEC 63448:2025 pdf download,Low and ultra-low latency communication and control systems. IEC 63448:2025 defines the Low and Ultra-Low Latency Communication and Control System (ULCCS) technology, which is designed to meet the communication and control demands of multimedia-centric applications.

IEC 63437:2025 pdf download,Off grid and unreliable grid refrigerating appliances for domestic and light commercial use – Characteristics and test methods – Performance requirements and energy consumption. IEC 63437:2025 establishes the core performance characteristics for domestic, similar, or light commercial refrigerating appliances that are cooled by internal natural or forced air convection and are designed