| General Information | |
| Category | Digital Universal Hardness Tester |
| Model | TH725 |
| Manufacturer (OEM) | Beijing High Time Technology Co., Ltd. |
| Features | ▪ Big LCD display provides stable and accurate results ▪ Digital versatile hardness tester supporting Brinell, Rockwell, and Vickers testing ▪ Conversion between different hardness scales ▪ Adjustable dwell time with time and date setting ▪ Data storage and printing functions ▪ RS232 interface for optional connectivity and expansion functions |
| Technical Specification | |
| Power Supply | 220-240 V~, 50 Hz |
| Time Delay Control | 0-60 s (adjustable) |
| Distance from Indenter Center to Instrument Body (mm) | 165 |
| Overall Dimensions (L × W × H) (mm) | 520 × 240 × 740 |
| Net Weight (kg) | 80 (approx.) |
| Rockwell hardness Specification | |
| Initial testing force | 98.07(10kg) ± 2.0% |
| Total testing force | 588.4(60kg) ± 1.0%, 980.7(100kg) ± 1.0%, 1471(150kg) ± 1.0% |
| Indenter | Diamond Rockwell indenter, Ф1.588mm ball indenter |
| Scales | HRA, HRBW, HRC, HRD |
| Max height of samples | 185mm |
| Brinell Hardness Tester Specification | |
| Testing force | 294.2N(30kg) ± 1.0%, 306.5N(31.25kg) ± 1.0%, 612.9N(62.5kg) ± 1.0%, 980.7N(100kg) ± 1.0%, 1839N(187.5kg) ± 1.0% |
| Indenter | φ2.5mm, φ5mm Ball Indenter |
| Scales | HBW1/30, HBW2.5/31.25, HBW2.5/62.5, HBW5/62.5, HBW10/100, HBW2.5/187.5 |
| Eyepiece magnification | 15× |
| Objective | 2.5×(resolution 0.5μm), 5×(resolution 0.25μm) |
| Max height of sample | 100mm |
| Vickers Hardness Tester Specification | |
| Test force | 294.2N(30kg) ± 1.0%, 980.7N(100kg) ± 1.0% |
| Indenter | Diamond vickers indenter |
| Scale | HV30, HV100 |
| Eyepiece magnification | 15× |
| Objective | 5×(Resolution 0.25μm) |
| Max height of sample | 115mm |
| Standard Delivery | |
| Accessories kit of main body | |
| Diamond Cone Rockwell Indenter | 1 |
| Steel Ball Indenter (1.588 mm) | 1 |
| Large Testing Table | 1 |
| Medium Testing Table | 1 |
| V-shaped Testing Table | 1 |
| Weights (0, 1, 2, 3, 4) | 1 |
| Standard Hardness Block HRC (High, Low) | 1 |
| Standard Hardness Block HRB | 1 |
| Level Bolt | 4 |
| Spanner | 1 |
| Power Cable | 1 |
| Instruction Manual | 1 |
| Quality Certificate | 1 |
| Plastic Anti-dust Bag | 1 |
| Accessories kit of microscope | |
| Digital Eyepiece | 1 |
| Microscope Seat | 1 |
| External Light | 1 |
| Internal Light | 1 |
| 2.5× Objective | 1 |
| 5× Objective | 1 |
| Slipped Testing Table | 1 |
| Diamond Vickers Indenter | 1 |
| Ball Indenter (2.5 mm, 5 mm) | 1 |
| Standard Vickers Hardness Block (HV30) | 1 |
| Standard Brinell Hardness Block (HBW 2.5/187.5) | 1 |
| Gradienter | 1 |
| Fuse 2A | 2 |




