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