DHV-50 Digital Vickers Hardness Tester
InstructionDHV-50 is a precise testing system suitable for hardness analysis of metallic specimens in metallurgical laboratories or production environments.
Suitable for ferrous metal, non-ferrous metals, IC thin sections, coatings, ply-metals; glass, ceramics, agate, precious stones, thin plastic sections etc.; hardness testing such as that on the depth and the trapezium of the carbonized layers and quench hardened layers.
Reliability & Repeatability
Closed-loop loading control system improves the accuracy of test force, higher repeatability and stability Automatic switching between the objective lens and indenterEasy Operation and Output
LCD screen display test force, dwell time, test numbers, hardness Digital micrometer eyepiece, press the eyepiece button to automatically calculate and display hardness value RS232 Interface and built-in printer to print out result directly LCD video measuring device and CCD image automatic measuring system (optional)Technical Specification| DHV-50 | ||
| Test Force | kgf | 0.5 kgf, 1 kgf, 2 kgf, 2.5 kgf, 3 kgf, 5 kgf, 10 kgf, 20 kgf, 30 kgf, 50 kgf |
| N | 4.90 N, 9.80 N, 19.6 N, 24.5 N, 29.4 N, 49 N, 98 N, 196 N, 294 N, 490 N | |
| Test Range | 1-2967 HV | |
| Hardness Resolution | 0.1 HV | |
| Loading Method | Automatic (Loading/Dwell/Unloading) | |
| Turret | Automatic Shifting | |
| Data Output | Built-in Printer, RS232 Interface | |
| Eyepiece | 10× Digital Measuring Eyepiece | |
| Objective | 10×, 20× | |
| Total Magnification | 100×, 200× | |
| Effective Field of View | 10×: 800μm, 20×: 400μm | |
| Min. Measuring Unit | 10×: 0.25μm, 20×: 0.13μm | |
| Dwell Time | 0-60 s | |
| Light Source | Halogen Lamp | |
| Sample Height | 0-185 mm | |
| Throat Depth | 130 mm | |
| Power Supply | AC220V, 50Hz | |
| Execute Standard | ISO 6507, ASTM E92, JIS Z2244, GB/T 4340.2 | |
| Dimension |
Machine: 530 W ×280 D ×630 H mm， Packing: 620 W ×450 D ×760 H mm |
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| Weight |
Net Weight: 35kg Gross Weight: 47kg |
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