Use of the new international laboratory standard should assure greater consistency between laboratories, testing and calibration DANIEL D. HOOLIHAN THE FIRST EDITION of ISO/IEC 17025 was released in 1999 and the Second Edition was released in 2005. Both editions of 17025 rely heavily on an earlier version of a similar international document; ISO/IEC Guide 25:1990 – General … [Read more...]
Standards
The New EU Automotive EMC Directive
The essential information about which tests apply to automotive product types is now contained within the one directive. Martin O’Hara, Trafficmaster, Cranfield, Beds, UK INTRODUCTION This article discusses the changes implemented in the new European Automotive EMC directive 2004/104/EC1. The new directive, released in November 2004, effectively replaces the existing … [Read more...]
First Amendment to the International Standard for EMC on Medical Devices
Amendment 1 to IEC 60601-1-2 is worth a careful reading by anyone involved in the design, manufacturing and/or testing of electrical medical equipment. Daniel D. Hoolihan Hoolihan EMC Consulting, Lindstrom, MN In September of 2004, the International Electrotechnical Commission (IEC) released Amendment 1 to the Second Edition of IEC 60601-1-2. This Amendment was prepared by … [Read more...]
EMC Assessment of Programmable Controllers: Choosing the Appropriate Standards
Using out-dated standards may result in erroneous conclusions regarding the true electromagnetic compatibility of the device under test. Nikolai Panteleev and Borislava Medzhidieva EMC Testing Laboratory, Sofia, Bulgaria Programmable logic controllers (PLCs) are widely used in industrial control systems for several reasons. Using specialized languages, they are easy to … [Read more...]
Selecting Antenna/Power Amplifier Combinations for the Coming New RF Immunity Standards
Though far from certain, it looks as if 6 GHz is a strong candidate for the upper frequency for consumer products. Art Cohen A.H. Systems, Inc., Chatsworth, CA, USA Thomas Mullineaux Empower RF Systems, Inc. Inglewood, CA, USA Testing products for susceptibility to radiated fields above 1 GHz is on the horizon. The new medical standard now stipulates testing to 2.5 GHz, and … [Read more...]
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