ZLT-GC1, to determine the adherence and the durability of protective coverings on printed circuit board and of insulating layers on accessible hazardous parts or metal parts,according to IEC60950 figure 2K and clause 2.10.8.4,IEC60335-1 clause 21.2
ZLT-WM1. To determine the endurance of the door system, including the hinges, microwave seals and other associated parts, shall be constructed to withstand wear that may be expected in normal use, according to the IEC60335-2-25 clause 18.