HBRVU-187.5 Brinell Rockwell & Vickers Optical Hardness Tester

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seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-25 12:45
Browse the number: 132
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Product details
This tester is used for determining the Brinell, Rockwell, and Vickers hardness of ferrous, nonferrous metals, hardmetals, carburized layers and chemical treating layers. It can be applied in the factories, scientific research institutes, laboratories and colleges.


Details:

Specifications
MODEL

HBRVU187.5

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@37.5x, 0.002mm@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

HBRVU187.5

Main machine

1

Accessory box of main apparatus

 

Indenter

Conical angle 120 degree Diamond Rockwell indentor x 1

Pyramidal angle 136 degree Diamond Vickers x 1

Steel ball indenter 1.588mm x 1

2.5mmx1, 5mm x 1

Testing table

Large leveled / medium leveled /V shaped, 1 for eac

Standard Rockwell hardness block

55~65 HRC x 1

25~35 HRC x 1

75~95 HRB 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
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

carbon carburizing steel

1471
HRC

quenched steel

adjustable quality steel

hard cast iron

980.7
HRB
1.588mm steel ball indenter

mild steel

aluminium alloy

copper alloy

forgeable cast iron

Brinell hardness test
306.5 / 612.9 / 1839
-
HB
2.5mm, 5mm steel ball indenter
microscope

non-ferrous metal

cast iron

soft alloy

plastics

Vickers hardness test
294.2 / 980.7
-
HV 30
diamond angle conical indenter
microscope

the superficial hardness of metallic alloy carburized layer

small type thin components

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