Hardness testing
Machine
HR-620

Contact
HR-620
Mitutoyo
Contact

Available on backorder

High-End CNC Rockwell Hardness Testing Machine HR-600 SERIES

Design that pushes the boundaries of measure-ment diversity

First Mitutoyo hardness testers with moving heads

Larger tables expand the range of measurements

Supports testing of a wide range of workpiece, from metals to plastics

Brake pads

Cylinder head

 

Gear

Plastic parts

Specification

Order No.  810-520-11  810-520-13  810-521-11  810-521-13  810-522-11  810-522-13 
Model  HR-620A 
Unit (display unit)  metric  inch/mm  metric  inch/mm  metric  inch/mm 
Indenter type*1  Diamond
1/16″ Steel ball
Diamond
1/16″ Tungsten carbide
ball
ー 
Hardness
testing
methods
Rockwell  JIS B 7726, ISO 6508-2, ASTM E18*2
Brinell*3  JIS B 7724, ISO 6506-2, ASTM E10
Plastic  ISO 2039-1
JIS K 7202-2, ISO 2039-2, ASTM D785
Indentation Brinell hardness  VDI / VDE 2616
Indentation Vickers hardness  VDI / VDE 2616
Initial test
force N (kgf)
Rockwell 29.42 (3)   98.07 (10)
Plastic  9.807 (1)
98.07 (10)
Indentation Brinell hardness  98.07 (10) 490.3 (50)
Indentation Vickers hardness  9.807 (1)
Test force
N (kgf)
Plastic  49.03 (5) 132.4 (13.5) 358.0 (36.5) 962.1 (98.1)
588.4 (60) 980.7 (100) 1471 (150)
Rockwell  147.1 (15) 294.2 (30) 441.3 (45) 588.4 (60) 980.7 (100) 1471 (150)
Brinell  9.807 (1) to 2452 (250)
Indentation Brinell hardness  612.9 (62.5) 1839 (187.5) 2452 (250)
Indentation Vickers hardness  294.2 (30) 490.3 (50)
Power supply  AC100 to 200 V 50/60 Hz
Mass  181 kg