|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MODEL HBRVU-187.5 OPTICAL BRINELL ROCKWELL VICKERS HARDNESS TESTER |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
MODEL |
HBRVU-187.5 |
|
Type |
Brinell, Rockwell & Vickers Optical |
|
Preliminary test force (N) |
98.07 |
|
Total test force for Rockwell hardness (N) |
588.4, 980.7, 1471 |
|
Total test force for Brinell hardness (N) |
306.5, 612.9, 1839 |
|
Total test force for Vickers hardness (N) |
294.2, 980.7 |
|
Test range for Rockwell hardness |
20~67 HRC / 30~100 HRB / 70~85 HRA |
|
Test range for Brinell hardness |
4~450 HB |
|
Test range for Vickers hardness |
14~1000 HV |
|
Magnification of microscope x |
37.5x, 75x |
|
Min. calibrated value of micro-measuring drum wheel |
0.004mm at 37.5x, 0.002mm at 75x |
|
Max. height of specimens (mm) |
160 for Rockwell, 100 for Vickers, Brinell |
|
Max. depth of specimens (mm) |
200 |
|
Power supply |
AC220V, 50Hz |
|
Dimension (DxWxH) (mm) |
560 x 260 x 760 |
|
Net weight (kg) |
90 |
Standard Package
|
MODEL |
HBRVU-187.5 |
|
Main machine |
1 |
|
Accessory box of main apparatus |
|
|
Indenter |
Conical angle 120 degree
Diamond Rockwell indentor x 1 |
|
Testing table |
Large leveled / medium leveled /V shaped, 1 for eac |
|
Standard Rockwell hardness block |
55~65 HRC x 1 |
|
Standard Brinell hardness block |
200 +/- 50 HB 2.5/187.5/30 x 1 |
|
Standard Vickers hardness block |
450 +/- 50 HV 30 x 1 |
|
Weights |
5 |
|
Fuse |
7A x 2 |
|
Lamp |
6V 21 CP x 2 |
|
Power supply plug |
1 |
|
Operation instructions |
1 |
|
Attachment box of microscope |
|
|
Microscope |
1 |
|
Micro-eyepiece |
15x x 1 |
|
Objective |
2.5x x 1, 5x x 1 |
|
Sliding test platform |
Pyramidal platform x 1, V shaped platform x 1 |
|
Lamp shade |
for external lighting x 1, for internal lighting x 1 |
|
Lamp |
6V, 5W x 4 |
Selections between Hardness Scale, test force and indenter:
|
Type of Test |
Primary Test Force (N) |
Total Test Force (N) |
Hardness Scale |
Indenter |
Measuring Installation |
Examples of Measuring and Testing Materials |
|
Rockwell hardness test |
98.07 |
588.4 |
HRA |
diamond cone indenter |
optical measurement indicating mechanism |
hard alloy |
|
1471 |
HRC |
quenched steel |
||||
|
980.7 |
HRB |
1.588mm steel ball indenter |
mild steel |
|||
|
Brinell hardness test |
306.5 / 612.9 / 1839 |
- |
HB |
2.5mm, 5mm steel ball indenter |
microscope |
non-ferrous metal |
|
Vickers hardness test |
294.2 / 980.7 |
- |
HV 30 |
diamond angle conical indenter |
microscope |
the superficial hardness
of metallic alloy carburized layer |