New products under development for initial compliance. If there is ever a problem, the manufacturer is responsible for proving compliance, and it is the manufacturer who signs the declaration.ĮMC testing for compliance with the EMC Directive is an ongoing process during various stages in the life cycle of a product: Notice that with all methods the manufacturer always is the responsible party. The manufacturer is still responsible for ensuring compliance. The Notified Body determines if the product is in compliance with the EMC Directive and issues a certificate that the manufacturer then uses as the basis for filing the Manufacturer’s Declaration of Compliance. A European Notified Body, usually a government agency, is responsible for issuing Type Acceptance. Type Acceptance-for intentional radiators (radio transmitters) for telecommunications. Still, the manufacturer is responsible for ensuring compliance. Then the manufacturer uses that report or certificate as the basis for filing the Manufacturer’s Declaration of Compliance. Perhaps the product is too big to be tested in accordance with the standards, and some alternate EMC tests must be performed.Ī European Competent Body evaluates the manufacturer’s technical construction file, usually performs some testing, and issues a report or certificate. Technical Construction File-a method used when the manufacturer cannot perform tests to the standards as specified, or appropriate standards cannot be identified. The manufacturer is responsible for ensuring compliance. The manufacturer performs the tests in accordance with the standards and files a Manufacturer’s Declaration of Compliance based on those tests. Self-Certification-the preferred method for most manufacturers. Manufacturers have a choice of three methods of compliance, only two of which require the involvement of European agencies: And a simple cost analysis will show that establishing in-house EMC testing is a cost-effective solution. Manufacturers can perform the required tests themselves-after all, they are always responsible for compliance.

Many manufacturers think that a European Competent Body must perform EMC tests or validate any tests performed in-house by the manufacturer. Many companies also are discovering that EMC test systems are beneficial design tools that can improve product reliability early in the development stage. In reality, EMC products testing is an on-going process, and in-house testing is an easy and cost-effective alternative to using an approved EMC test lab. Why do EMC testing at your own facility? After all, it requires expert personnel and a financial investment that’s much too large since a product design only needs to be tested once.

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