6
2 Structure Feature &Testing Principle
2.1 Structure Feature
2.1.1 The Hardness Tester Appearance
1. Main unit
2. Impact device
2.1.2 Parts of the Main body
1 Socket of impact device 2 Socket of USB 3 LOGO 4 Paper compartment cover 5 LCD display 6
Keypad 7 Battery switch 8 Power jack 9 Serial Number 10 Product label 11 Battery compartment
cover
