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White Color Digital Hardness Tester / Durometer Adjustable Light Source



Figure 5 internal structure diagram Figure 6 weight shaft installation diagram
| HV 1.0: Vickers hardness | HRC: converts the ruler to show other scale hardness values |
| D1 (D2): indentation diagonal length | Dwell: charge time selection, boot default setting 10 seconds |
| Setup: settings | No.0: Hardness test count (not included for the first time) |
| Print: Print |
| OK | Enter | ↑ | Direction key |
| ← | Direction key, objective switch key | ↓ | Direction key |
| → | Direction key, objective switch key | L+ | Light source adjustment key |
| CLR | Set the zero key | L- | Light source adjustment key |
| 0~9,“·” | Number key | ↓ | Start key |