MITUTOYO HH-411 HARDMATIC HARDNESS TESTER 810-287 810-298-10 IMPACTOR D TYPE

System includes:

• 810-291 Impact Type Portable Hardness Testing Unit
• 810-287 Mitutoyo Impactor UD-411, D Type [approx.ø28 x 175mm, 120g (tip: ø22mm)]
• Hardness Block Read 55.0 when testing

I powered this on as shown in the pictures. Hardness sample has significant wear, see pictures.

Display range

• Leeb: 1-999HL Resolution 1HL|
• Vickers: 43-950HV Resolution 1HV
• Brinell: 20-894HB Resolution 1HB
• Rockwell C: 19.3-68.2HRC Resolution 0.1HRC
• Rockwell B: 13.5-101.7HRB Resolution 0.1HRB
• Shore: 13.2-99.3HS Resolution 0.1 HS
• Tensile strength: 499-1996MPa Resolution 1MPa
• (Display range depends on conversion table.)

Hardness block has some surface damage to the coating, but the unit gave repeatable results.