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1.15 Hardness tester design
Functionally, the hardness tester consists of an electronic unit and a probe (see section
1.5 "Hardness testers").
The electronic unit of the hardness tester receives a signal from the electromagnetic
coil of the probe, converts it into units of hardness, and displays the measurement results,
statistical processing, and other functions of this hardness tester.
The front panel of the electronic unit has a color graphic display and keyboard shown in
Figure 1.1.
Figure 1.1 - The front panel of the electronic unit
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