Model: ZLT-E01,  Conform to the EN13683. Handle is nylon, tip is stainless steel.

Model: ZLT-FDT  according to IEC 60529 clause 12.2 and IEC60598-1 clause 8.2.5, IEC60335-1 clause 8.1.

Model: ZLT-P05A is applied to any openings of the door interlock mechanism,according with IEC 60335-2-25 clause 22.105 and figure 101

Model ZLT-U01A , conforms to IEC 62368-1 Annex V and figure V.1,

ZLT-BDK. To measure the temperatures, according to IEC 60335-1 clause 11.2 and 11.3, EN61010 clause 9.2,VDE 0551 Part 1,VDE 0700 Part 1.

Model: ZLT-I23 Required by IEC 60950 figure 2C, IEC 60065, EN and some UL , CSA  standards to test accessibility to TNV circuits (telecom)