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 figu...

ZLT-DYJ2. To determine the durability of cable coverings, flexible insulating tubing, coats of lacquer, inscriptions, designations and the like at room temperature by scraping to and fro, according to...

ZLT-JR1. To determine the deformation which wire in a high temperature and load, in accordance with UL1581 560 test, and figure 560.1.

ZLT-QY1, to determine the dimensional stability of parts consisting of non-ceramic, non metallic insulating materials according to IEC60695 10 2, IEC60335 1 clause 30.1, IEC60598 1 clause 13.2.1 Fig.1...

ZLT-RS1, to determine the verification of resistance of accessories and surface type mounting at a temperature of (80±2)℃, according to IEC 60884 1 figure 38 and clause 25.4, VDE 0620 figure 37, BS 13...

ZLT-CX1, to determine the fixation of pins in the body of the plug, conform to IEC60884 1 figure 30.