ZHT 2092 – 2093
Pocket Hardness Testers
Pocket testers for hardness tests on flat and curved surfaces.
DIN SPEC 91064
Overview
ZSH 2090/2290
Pencil Hardness Tester
Hardness tester according to Wolff-Wilborn for determination of resistance of coatings to mechanical stress by pencils of different hardness.