DUH-211/210 Series - Specs
Dynamic Ultra Micro Hardness Tester
Model used to perform three basic tests: DUH-211 / DUH-210
Advanced model provides seven test modes: DUH-211S / DUH-210S
Test Types
| Item | DUH-211/210 | DUH-211S/210S |
|---|---|---|
| 1. Load–Hold Test | ✓ | ✓ |
| 2. Load–Unload Test | ✓ | ✓ |
| 3. Cyclic Test | ✓ | ✓ |
| 4. Depth Setting Test | ̶ | ✓ |
| 5. Depth Setting Load–Unload Test | ̶ | ✓ |
| 6. Step Load Test | ̶ | ✓ |
| 7. Step Load–Unload Test | ̶ | ✓ |
Indentation size can be measured in tests 1, 2, 4, and 5.
Specifications
| Model | DUH-211 | DUH-211S | DUH-210 | DUH-210S | |
|---|---|---|---|---|---|
| Loading Unit | Loading Method | Electromagnetic coil | |||
| Test Force Range | Full scale of 0.1 to 1,961 mN | ||||
| Displacement Measurement Unit | Measurement Method | Differential transformer | |||
| Measurement Range | 0-10 μm | 0-100 μm | |||
| Minimum Measurement Increment | 0.0001 μm | 0.001 μm | |||
| Indenter | Triangular pyramid indenter with tip angle of 115° | ||||
| Optical Monitor | Total Magnification (microscope) | ×500 | |||
| Objective Lens | ×50 | ||||
| Light-Path Switching | Observation or photograph (selectable) | ||||
| Specimen Stage | Specimen dimensions (i.e., 8 (thickness) × 30 (width) mm) when thin-sample attachment (type 3) is used | ||||
| Test Modes | 3 | 7 | 3 | 7 | |
| Required PC Specifications | OS | Windows® 11 Pro (64 bit edition) | |||
| Utilities*1) | Power Supply | Single phase, AC 100–115 V ± 10%, AC 230 V ± 10% (Ground resistance 100 Ω max.) | |||
| Temperature | Recommended temperature: 23±1°C Allowable range: 10°C to 35°C |
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| Humidity | 20 to 60% max. (no condensation) | ||||
| Dimensions and Weight | External Dimensions | Main unit: Approx. 355 (W) × 405 (D) × 530 (H) mm Control unit: Approx. 315 (W) × 375 (D) × 110 (H) mm |
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| Weight | Main unit: Approx. 60 kg Control unit: Approx. 5 kg |
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- Since this is a precision measuring device, special care must be taken regarding installation conditions.