ZLT-SZ1, Conforms to IEC60068-2-75 Test Ehc, The hammer consists basically of a striking element which falls freely from rest through a vertical height

ZLT-BC1, To test the mechanical strength with impact element according to IEC60068-2-75 Tab. 1 and Tab.2, similar Annex D.

ZLT-BC3, To test the mechanical strength with impact energies of 2 J up to 50 J, striking element according to IEC60068-2-75 Tab. 1, Tab.2, and Annex A.

For testing the mechanical strength and the impact strength by pendulum test and by drop test, according to IEC60598 Fig 21,IEC60950 clause 4.2.5 and figure 4A

For testing and gauging the scale of spring hammer calibration devices in accordance with IEC60068-2-75/1997-08 Annex B, Figure B.5 and B.6

ZLT-SE, conform to IEC60068-2-75 table 1 and table 2.