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2 Structure Feature &Testing Principle
2.1 Structure Feature
1. Main unit 2.Keypad 3. LCD display 4 Socket of USB
5. Socket of impact device 6. Impact device 7 Label 8. Battery cover
2.1.1 D Type Impact Device
1 2 3 4 5 6 7
1 Release button 2 Loading tube 3 Guide tube
4 Coil unit
5 Connection cable
6 Impact body 7 Support ring
POWER: 2 X 1.5V
HARDNESS GAUGE
0-
Steel and Cast
Steel
1-
Cold Work Tool Steel
2-
Stainless Steel
3-
Gray Cast Iron
4-
Nodular Cast Iron
5-
Cast Aluminum Alloys
6-
Copper-Zinc Alloys
7-
Copper-Aluminum
8-
Wrought Copper
9-
Wrought Steel
Material Option:
4
1
2
3
5
6