No. 99MBG127A
8-1
8 Specifications
8.1 Main Specifications
Items
HM-210A HM-220A
Test method
Test for Vickers hardness, Knoop hardness, and fracture toughness
Test force
The test force and arbitrary test force (see 5.6.3) described in 4.2.1.2 and 4.2.2.2 can
be specified.
Test force
switching
Selectable by touch panel
Test force
generation
mechanism
Electromagnetic force system (voice coil)
Test force control
Automatic system (load, retain, unload)
Contact velocity
Fixed 60μm/s
Variable 2 to 60μm/s
Variable per 1μm/s
Range: 30[gf] or lower
Fixed at 60μm/s if 31[gf] or higher
Test Force load
time
1 to 99 sec., settable in steps of 1 sec.
Duration time of
Test force
0 to 999 sec., settable in steps of 1 sec.
Test force unload
time
1 to 99 sec., settable in steps of 1 sec.
Turret feature
For both automatic and manual use
Indenter shaft
Standard 1 pc. (Up to 2 pcs. mountable, option at shipment)
Indenter
Vickers indenter (19BAA058) Vickers indenter (19BAA059)
Objective lens
Magnification of 50X for measurement
Working distance of 50X, 2.5 mm (W.D.)
Up to 4 blocks mountable
Magnification of 50X for measurement
Working distance of 50X, 2.5 mm (W.D.)
Up to 4 blocks mountable