Feature

●D Type: For normal testing; Min. Thickness of Hardened Layer (mm): 0.8
●C Type: Small impact force, little damage to the tested surface (no damage to hardened layer), applicable to small/light/thin parts and surface hardened layers; Min. Thickness of Hardened Layer (mm): 0.2
●DL Type: Small and thin head, applicable to narrow and long slots or holes; Min. Thickness of Hardened Layer (mm): 0.8
●G Type: Applicable to large and rough surface casting pieces; Min. Thickness of Hardened Layer (mm): 1.2

[Large Dl Type]

[Large C Type]

[Large D15 Type]

[Large G Type]

[Large D Type]

Description

Main Application:
*Die cavity of molds
*Bearings and other parts
*Failure analysis of pressure vessel, steam generator and other equipment
*Heavy work piece
*The installed machinery and permanently assembled parts.
*Testing surface of a small hollow space
*Material identification in the warehouse of metallic materials
*Rapid testing in large range and multi-measuring areas for large-scale work piece
Portable Hardness Tester Impact Device
Applications of Impact Devices:
Types
Surface Roughness (Ra)
D, DL
2 μm
G 7 μm
C 0.4 μm
Requirements for Test Weight
Requirements for test weight are described as follow:
Types
Test Weight (kg)
Coupling is required
Stability is required
May be directly used
D, DL
0.05~2.0
2.0~5.0
>5.0
G 0.5~5.0
5.0~15.0
>15.0
C 0.02~0.5
0.5~1.5
>1.5
Portable Hardness Tester Impact Device D Type
Portable Hardness Tester Impact Device C Type
Portable Hardness Tester Impact Device DC Type
Portable Hardness Tester Impact Device D+15 Type
Portable Hardness Tester Impact Device G Type
Portable Hardness Tester Impact Device DL Type