Surveillance of assessed products
Surveillance of assessed equipment and protective systems is performed in accordance with the Ordinance on the essential requirements and conformity assessment of equipment and protective systems intended for use in potentially explosive atmospheres (Prom. SG, issue # 23 of 25 March 2016), transposing the ATEX Directive 2014/34/EU of 26 February 2014, for products assessed under the Module C1: Conformity to type based on internal production control plus supervised product testing or Module D: Conformity to type based on quality assurance of the production process.