YYT255 Sweating Guarded Hotplate ndi yoyenera mitundu yosiyanasiyana yansalu, kuphatikiza nsalu zamakampani, nsalu zosalukidwa ndi zinthu zina zosalala.
Ichi ndi chida chomwe chimagwiritsidwa ntchito kuyeza kukana kwamafuta (Rct) ndi kukana chinyezi (Ret) kwa nsalu (ndi zina) zida zathyathyathya. Chidachi chimagwiritsidwa ntchito pokwaniritsa miyezo ya ISO 11092, ASTM F 1868 ndi GB/T11048-2008.