Source of ignition and related electrical equipments need to comply with the Brazilian INMETRO Ordinance no. For certification to EN (ATEX) standards or older IEC editions, a gap assessment is required. Factors affecting the duration include the complexity of the. An Explosive Atmosphere is an environment which contains gas, vapour, dust or fibers with oxygen, in such proportion that a spark from electric circuit or heating from a device may cause an explosion. Electrical equipment installed in these environments must be eliminated or isolated the source of. For companies operating in Brazilian hazardous environments or equipment manufacturers seeking to enter this significant market, understanding INMETRO certification is not optional—it's a fundamental requirement for legal compliance, operational safety, and market access. If you are working in the sector, you also need to be aware of related financial considerations like Electrical Contractor Insurance Cost Per Month in Brazil. Our explosion proof certification services provide you with third-party conformity assessments and access to various certification schemes, including ATEX, TR CU (EAC), USTC (US and Canada), MSHA and IECEx, in order to trade globally. Looking for something specific? Loading component. In most cases, a presumption of conformity can be based on IECEx.