Starrett 3811A - Structure Feature and Testing Principle; Leeb Hardness Testing Principle

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1.4 Configuration
Table 1-2
1.5 Working Conditions
Working temperature： 0℃～＋40℃；
Storage temperature：-30℃～＋60℃
Relative humidity: ≤90％；
The surrounding environment should be void any vibration, strong magnetic field,
viscous fluids, corrosive medium and heavy dust.
2 Structure Feature &Testing Principle
2.1 Structure Feature
1. Main unit 2.Keypad 3. LCD display 4 USB Port
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Communication
cable
1
16
Print cable
1
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
4
6