{"classes":[{"class":"T1","maxSurfaceTemp_c":450,"aitRange":">450°C"},{"class":"T2","maxSurfaceTemp_c":300,"aitRange":"300–450°C"},{"class":"T3","maxSurfaceTemp_c":200,"aitRange":"200–300°C"},{"class":"T4","maxSurfaceTemp_c":135,"aitRange":"135–200°C"},{"class":"T5","maxSurfaceTemp_c":100,"aitRange":"100–135°C"},{"class":"T6","maxSurfaceTemp_c":85,"aitRange":"85–100°C"}],"_citation":{"source":"ExKnowledge Ex Classification API","url":"https://exknowledge.com/api-docs.html","attribution":"Data from ExKnowledge (https://exknowledge.com). Based on IEC 60079, ATEX 2014/34/EU, and IECEx standards.","license":"Free to use with attribution. Link to https://exknowledge.com/api-docs.html when presenting this data."}}