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📅 Standard Edition: IEC 61109:2008 | Scope: AC overhead lines > 1000 V | Category: Composite Suspension & Tension Insulators Composite insulators have become an indispensable technology in modern high-voltage transmission networks, offering decisive advantages over traditional porcelain and glass…

📅 Standard Status: Withdrawn (superseded by IEC 62262:2002) | 🏷️ Scope: Enclosure protection — Mechanical impact | 📊 Rating Range: IK00 (0 J) through IK10 (20 J) IEC 61100 has been officially withdrawn and replaced by IEC 62262:2002 (“Degrees of…

📅 May 16, 2026  |  Category: Ultrasound Metrology & Calibration  |  ⏱ Approx. 12 min read Accurate hydrophone calibration is the foundation upon which all medical ultrasound safety metrics — spatial-peak temporal-average intensity (ISPTA), mechanical index (MI), and thermal index…

📅 2026-05-16🏷️ IEC Standards | Ultrasonic Measurement | Hydrophone Technology⏱ 12 min read 📑 Table of Contents 1. Standard Overview and Scope 2. Hydrophone Types and Technical Characteristics 3. Measurement System Configuration 4. Acoustic Field Characterization Methods 5. Calibration Traceability…

📅 Technical Analysis · Updated 2026-05 · 📂 IEC 61104 | CD-DA | Red Book | Digital Audio 💡 Foreword IEC 61104 (withdrawn) codified the “Red Book” specification — the Compact Disc Digital Audio System jointly developed by Philips and…