Universal Hardness Tester NUHT-101 provides Rockwell, Brinell, and Vickers hardness testing in one versatile unit. It features a wide testing force range and supports multiple indenters for diverse applications. This ensures precise readings with adjustable dwell time and high-resolution optical systems. It has a compact design and robust construction for long-lasting performance. Our multi-scale testing capability makes it suitable for both routine and advanced hardness measurements.
| Rockwell Initial Testing Force |
98.07 N (10 kgf) |
| Rockwell Total Testing Forces |
588.4 N (60 kgf), 980.7 N (100 kgf), 1471 N (150 kgf) |
| Rockwell Tolerance |
Initial ±2.0%; Total ±1.0% |
| Rockwell Indenters |
Diamond Rockwell Indenter; φ1.588 mm Ball Indenter |
| Rockwell Scales |
HRA, HRBW, HRC, HRD |
| Rockwell Maximum Sample Height |
180 mm |
| Brinell Testing Forces |
294.2 N (30 kgf), 306.5 N (31.25 kgf), 612.9 N (62.5 kgf), 980.7 N (100 kgf), 1839 N (187.5 kgf) |
| Brinell Tolerance |
±1.0% |
| Brinell Indenters |
φ2.5 mm, φ5 mm Ball Indenter |
| Brinell Scales |
HBW1/30, HBW2.5/31.25, HBW2.5/62.5, HBW5/62.5, HBW10/100, HBW2.5/187.5 |
| Brinell Eyepiece Magnification |
15× |
| Brinell Objectives |
2.5× (Resolution 0.5 μm), 5× (Resolution 0.25 μm) |
| Brinell Maximum Sample Height |
165 mm |
| Vickers Testing Forces |
294.2 N (30 kgf), 980.7 N (100 kgf) |
| Vickers Tolerance |
±1.0% |
| Vickers Indenter |
Diamond Vickers Indenter |
| Vickers Scales |
HV30, HV100 |
| Vickers Eyepiece Magnification |
15× |
| Vickers Objective Magnification |
5× (Resolution 0.25 μm) |
| Vickers Maximum Sample Height |
165 mm |
| Distance from Indenter Center to Body |
160 mm |
| Time-delayed Control |
0 to 60 s, adjustable |
| Power Supply |
AC 220 V, 50 Hz |
| Overall Dimensions (L × W × H) |
540 × 340 × 800 mm |
| Packing Dimensions (L × W × H) |
780 × 465 × 920 mm |
| Gross Weight |
132 kg |
FAQ for Universal Hardness Tester NUHT-101
1: What hardness scales does Universal Hardness Tester NUHT-101 support?
Universal Hardness Tester NUHT-101 supports Rockwell (HRA, HRBW, HRC, HRD), Brinell (HBW variants), and Vickers (HV30, HV100) scales, providing a versatile testing solution in one machine.
2: What is the maximum specimen height for testing in Universal Hardness Tester NUHT-101?
The maximum specimen height is 180 mm for Rockwell testing and 165 mm for Brinell and Vickers, allowing for testing a variety of sample sizes.
3: Does Universal Hardness Tester NUHT-101 comply with international standards?
Yes, Universal Hardness Tester NUHT-101 complies with ISO, ASTM, JIS, and GB/T standards for Rockwell, Brinell, and Vickers hardness testing, ensuring globally accepted results.
4: How is dwell time controlled in Universal Hardness Tester NUHT-101?
The Universal Hardness Tester NUHT-101 includes a time-delayed control system with adjustable dwell time from 0 to 60 seconds, ensuring accurate indentation results based on material requirements.
5: What industries typically use this Universal Hardness Tester NUHT-101?
Industries like metallurgy, automotive, aerospace, manufacturing, and material research commonly use Universal Hardness Tester NUHT-101 for precise hardness testing of metals and alloys.
6: What makes a hardness tester “universal”?
A universal hardness tester can perform Rockwell, Brinell, and Vickers tests in one machine, reducing the need for separate equipment and saving both space and cost in labs or production facilities.
7: Which industries commonly use universal hardness testers?
They are widely used in metallurgy, automotive, aerospace, research, and manufacturing industries where different hardness scales are needed for quality control and material verification.
8: Do universal hardness testers comply with international standards?
Yes, most models are designed to meet ISO, ASTM, JIS, and GB/T standards, ensuring the accuracy and traceability of test results worldwide.
9: How accurate are universal hardness testers?
They provide high repeatability and resolution, often down to 0.5 HR or equivalent for other scales, supported by stable loading mechanisms and precision optics.
10: Can they handle different specimen sizes?
Yes, universal hardness testers are built with adjustable test forces, multiple test tables, and sufficient throat depth and height clearance to accommodate various sample sizes and shapes.
