Altana Hoffman Scratch Hardness Tester Manual Bedienungsanleitung PDF herunterladen (Seite 4)

General Information

The Hoffman Scratch Tester consists of a four-

wheeled carriage, a balanced beam with a

scale of 0-20 arbitrary units and a scratching

tool with a sharp circular rim mounted at 45

the test surface. a counterweight, allen wrench

and movable weights (riders) both large (100 g)

and small (25 g) are also included. The overall

dimensions of this instrument are 11 x 1 x 1 inches

( 27.9 x 2.5 x 2.5 cm).

General Information

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Altana Hoffman Scratch Hardness Tester Manual Bedienungsanleitung Seite 4