YYT255 Sweating Guarded Hotplate e loketse mefuta e fapaneng ea masela a masela, ho kenyeletsoa masela a indasteri, masela a sa lohiloeng le thepa e 'ngoe e fapaneng e bataletseng.
Sena ke sesebelisoa se sebelisetsoang ho lekanya khanyetso ea mocheso (Rct) le khanyetso ea mongobo (Ret) ea masela (le tse ling) tse bataletseng. Sesebelisoa sena se sebelisetsoa ho fihlela litekanyetso tsa ISO 11092, ASTM F 1868 le GB/T11048-2008.