IEC 62153-2-1 Ed. 1.0 (2007-11) is a 52-page Technical Report from the International Electrotechnical Commission (IEC) entitled "Metallic communication cable test methods - Part 4-1: Electromagnetic compatibility (EMC) - screening measurements." It gives a brief introduction to basic concepts and terms that reveal the common features of test methods. For more … [Read more...]
Investigators Rule Out EMI in Investigation of Boeing Crash Landing at Heathrow
Since the crash landing of a Boeing 777 returning from Beijing to London's Heathrow Airport on January 17, 2008, speculation and the rumor bill have looked for an explanation as to what caused a crash landing on a grassy area short of the runway after a seemingly normal flight. One persistent version blamed electromagnetic interference from the many WiFi systems in densely … [Read more...]
New Standards on EMC Requirements for Welding Equipment
The International Electrotechnical Commission (IEC) has issued IEC 60974-10 Ed. 2.0 (2007-08) entitled "Arc welding equipment - Part 10: Electromagnetic compatibility (EMC) requirements." This document specifies applicable standards and test methods for radio-frequency for harmonic current emission, voltage fluctuations, and flicker. Immunity requirements and test methods … [Read more...]
New Standard on Electrical Installation Safety & Protection Against Voltage and EM Disturbances
The International Electrotechnical Commission (IEC) has issued IEC 60364-4-44 Ed. 2.0 (2007-08) entitled "Low-voltage electrical installations - Part 4-44: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances." The rules of this part of IEC 60364 are intended to provide requirements for the safety of electrical installations … [Read more...]
New List of EMC Standards Published in the Official EU Journal
A list of harmonized EMC standards that implement Directive 2004/108/EC of the European Parliament and of the Council of 15 December 2004 relating to electromagnetic compatibility was published late last month in the Official Journal of the European Union. This 19-page document lists in a chart-like layout the European standard organization, the numeric reference and title of … [Read more...]
Intertek Expands Testing Offerings Through Agreement with BRE Global
Intertek, an international testing company already well known for its EMC and safety testing capabilities, has entered an agreement with BRE Global, a European certification/approvals body, to provide the manufacturers of life/safety and security products with ETL or LPCB certification. Such testing would cover products destined for North America (ETL) or Europe, the Middle … [Read more...]
Keeping Up With Automotive Standards
For those involved with automotive EMC, here's a quick reminder. SAE (Society of Automotive Engineers) standards are available in paper and convenient CD-Rom versions on the Society website. A detailed list of world automotive standards is on the website of Clemson University's Vehicular Electronics Laboratory. With a few a click of the mouse, you can check out both: SAE or … [Read more...]
Moderately Soft EMI Gasketing Approved for Spaceflight and Military Applications
The GORE-SHIELD® GS2100 EMI gasket is a conductive, adhesive-backed EMI gasketing material that is moderately soft and is approved for spaceflight and military applications. This gasketing can be supplied in die-cut panel forms or in slit width rolls. Slit width material is particularly well suited to manual, "peel-and-stick" gasketing applications. GS2100 consists of a … [Read more...]
Capacitor Series Is Optimized for Military/Aerospace Applications
A new space grade series of capacitors from KEMET Corporation has been crafted especially for use by military/aerospace customers in high-reliability applications. These capacitors meet the requirements for MIL-PRF-55365 as well as MIL-STD 1580. These devices incorporate an intensive testing and screening protocol that can be customized to meet the specific needs of an … [Read more...]
Corrigendum Re EMC Requirements for Measurement Equipment for LV Systems (11/29/2007)
The International Electrotechnical Commission (IEC) has issued a Corrigendum pertaining to IEC 61326-2-2 Ed. 1.0 (2007-11). Corrigendum 1 affects "electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2.2: Particular requirements - Test configurations, operational conditions, and performance criteria for portable test, measuring, and … [Read more...]
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