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In order to provide an IECEx certification, recognized IECEx certifying bodies (also known as ExCBs) undertake two main steps: Technical Evaluation and Quality Assessment.
Samples of the ex-product are tested and evaluated to prove that it complies with all the requirements of relevant Standards. This Step is summarized in an ExTR (know as a Test Report). In addition, all locations where the product will be manufactured are audited to prove that they are capable of manufacturing products identical in design and performance to the tested sample. This Quality Assessment is summarized in a Quality Assessment Report (known as a QAR). Only if these evaluations are successful may a product be IECEx certified.
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