Máy đo độ cứng HBRVS-187.5 Laryee

Model

HBRVS-187.5

Rockwell scales

HRA, HRB, HRC

Brinell scales

HBW2.5/31.5, HBW2.5/62.5, HBW5/62.5, HBW2.5/187.5

Vicker’s scales

HV30, HV100

Initial test force

98N(10kgf)

Total test force

Brinell test(kgf): 30, 31.25, 62.5, 100, 187.5
Rockwell test(kgf): 60, 100, 150
Vickers test(kgf): 30, 100

Hardness test range

Brinell test (8-650)HB    Indication accuracy (%):±2.5

Rockwell test (70-85)HRA  (30-100)HRB  (20-67)HRC
Indication Accuracy: ± 1HR

Vickers test (14-1000)HV       Indication accuracy (%):± 2

Microscope magnification

37.5×、75×

Hardness reading Indication mode

LCD

Measuring eyepiece

Automatic Digital encoder

Total test foce loading keeping time (s)

1-60s

Maximum height of specimen (mm)

170 (Rockwell) ,140(Vickers, Brinell)

Depth of throat (mm)

165

Dimensions

550×260×800mm

Power supply

1P, AC220V, 50Hz

Weight

80kg

Standard Accessories

 diamond cone Rockwell and Vicker’s indenter,  Ø 1.5875mm Rockwell ball indenter,
Ø 2.5, Ø 5mm hard alloyed steel ball Brinell indenter, Big, small, V-shaped test table,
standard hardness block(Brinell, Rockwell, Vickers),
Weight block(0#,1#,2#,3#,4#), Printing paper, Measuring Microscope Accessories