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Appendix 2: Features of impact devices
Configuration
Type
Standard
D
configuration
Short size, loaded
DC
with loading tube
Long size
D＋15
Equipped with
DL
extension rod 50mm
C
Light impact force
G
Heavy impact force
Appendix 3: Material Applicable table
No
Material
1
Steel and cast steel
2
CWT.ST
3
SST
4
GC.IRON
5
NC.IRON
6
C.ALUM
7
BRASS
8
BRONZE
9
COPPER
Hardness Tester DHT-100
features
Used for normal measurement
Used for hardness measurement on local
parts of work piece: holes, inner cylindrical
face or inner face of solid installed parts.
Used for measuring in grooves or concaved
surface
Used for hardness testing on the deep
section of parts, bottom of a small hole or
the base of a gear wheel
Used for hardness measurement of work
piece with hardened layer.
Direct hardness measurement on rough
surfaces
D
★
★
★
★
★
★
★
★
★
PLUS
Application
DC
D＋15
★
★
★
★
★
★
★
★
★
★
★
21
C
G
★
★
★
★
DL
★
★
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