The International Electrotechnical Commission (IEC) has issued IEC 62003 Ed. 1.0 entitled, “Nuclear Power Plants – Instrumentation and control important to safety – Requirements for electromagnetic compatibility testing.” This standard establishes requirements for electromagnetic compatibility testing of instrumentation and control equipment supplied for use in systems … [Read more...]
Standards
New CISPR EMC Standard for Vehicles and Boats: Protection of Off-board Receivers
CISPR 12 Ed. 6.1 (2009-03) is titled “Vehicles, boats and internal combustion engines – Radio-frequency disturbance characteristics – Limits and methods of measurement for the protection of off-board receivers.” The limits of this International Standard are designed to provide protection for broadcast receivers in the frequency range of 30 MHz to 100 MHz when used in the … [Read more...]
Draft CISPR Standard Covers RF Disturbances in Industrial, Scientific, & Medical Equipment
Project CISPR 11 Ed. 5.0 (2009 – 02) deals with industrial, scientific, and medical equipment, radio-frequency disturbances, and the limits and methods of measuring such disturbances. The Final Draft International Standard has a voting period of February 27, 2009 to May 1, 2009. Those who purchase the draft will receive a final definitive version once it becomes available.For … [Read more...]
Congressional Committee Hears Testimony on E-Waste Disposal in U.S.
The Committee on Science and Technology of the U.S. House of Representatives held a hearing last month to a review a discussion draft of the Electronic Waste Research Development Act of 2009. Committee members heard testimony regarding how research and development could address the immense challenges involved in managing the environmentally safe disposal of electronic waste … [Read more...]
NEW CISPR Standard Deals With Uncertainties in Standardized EMC Tests
CISPR 16-4-1 Ed. 2.0 (2009-02) is entitled “Specification for radio disturbance and immunity measuring apparatus and methods – Part 4-1: Uncertainties, statistics ad limit modelling – Uncertainties in standardized EMC Tests.” The document provides guidance on the treatment of uncertainties to those who are involved in the development or modification of CISPR electromagnetic … [Read more...]
New CISPR EMC Standard for Household Appliances and Electric Tools
CISPR 14-1 Consol. Ed. 5.1 applies to the conduction and radiation of radio-frequency disturbances from appliances whose main functions are performed by motors and switching regulating devices, unless the radio-frequency energy is intentionally generated or intended for illumination. It includes such equipment as household electrical appliances, electric tools, regulating … [Read more...]
Guide to the Drafting of IEC EMC Publications
IEC Guide 107 Ed. 3.0 (2009) describes procedures for the drafting of International Electrotechnical Commission (IEC) publications, which relate wholly or partly to electromagnetic compatibility (EMC). They should be applied when preparing new EMC publications or EMC clauses, as well as when revising existing publications. The procedures should be followed to ensure that the … [Read more...]
Certification Programs: What’s Behind the Terminology?
A well-defined and structured certification program is vital to assuring product quality and safety Randy Ivans, Underwriters Laboratories Inc. Melville, NY The Merriam-Webster® Dictionary defines “certify” as “to attest authoritatively, to confirm, to present in a formal communication, or to attest as being true.” Consider the implications of these words and phrases—confirm, … [Read more...]
Key EMC Standards on Avionics Available Online
The Vehicular Electronics Laboratory at Clemson University has posted a convenient update on the latest avionics EMC standards on its website. Included are ISO 14302e on “Electromagnetic Compatibility Requirements”, MIL-STD-461F, the “Military Standard for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment”, DO-160F on "Environmental … [Read more...]
IEC Issues Change to EMC Standard Re Input Power Immunity to Ripple
IEC 61000-4-17 Ed. 1.2 (2009-01) is “Electromagnetic compatibility (EMC) – Part 4-17: Testing and measurement techniques – Ripple on DC input power port immunity test.” This standard defines test methods for immunity to ripple at the DC power port of electrical or electronic equipment. It applies to low-voltage DC power ports of equipment supplied by external rectifier systems … [Read more...]
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