Micro Vickers Hardness Tester NMVHT-101

Ask Expert

Send Message

FAQ for Micro Vickers Hardness Tester NMVHT-101

1: What test force range does Micro Vickers Hardness Tester NMVHT-101 support?

The Micro Vickers Hardness Tester NMVHT-101 supports test forces ranging from 0.098 N (10 gf) up to 9.80 N (1000 gf). This wide range allows accurate testing of materials from very soft coatings to extremely hard alloys. It ensures flexibility in laboratories that need to evaluate various sample types in a single system.

2: Does Micro Vickers Hardness Tester NMVHT-101 support both Vickers and Knoop hardness tests?

Yes, the Micro Vickers Hardness Tester NMVHT-101 supports both HV (Vickers) and HK (Knoop) hardness testing modes. This dual capability provides significant versatility, enabling testing on different types of microstructures without requiring separate machines. It’s ideal for research facilities and quality control labs that handle a variety of materials.

3: How is accuracy maintained during testing in Micro Vickers Hardness Tester NMVHT-101?

Accuracy is achieved through its automatic loading, dwell, and unloading processes, which reduce human error and improve repeatability. Additionally, its high-precision optics with a 0.25 ?m minimum measuring unit provide reliable readings. The stable mechanical design further ensures consistent performance across multiple tests.

4: What is the maximum specimen size Micro Vickers Hardness Tester NMVHT-101 can handle?

This tester can accommodate specimens up to 90 mm in height with a throat depth of 95 mm, making it suitable for different sample geometries. Whether you are working with thin metal sheets, small components, or coated surfaces, it provides the flexibility to handle a broad range of test samples effectively.

5: Is Micro Vickers Hardness Tester NMVHT-101 compliant with international standards?

Yes, Micro Vickers Hardness Tester NMVHT-101 complies with major global standards including ISO 6507, ASTM E384, JIS Z2244, and GB/T 4340.2. This compliance ensures that its test results are universally recognized, making it a reliable instrument for both academic research and industrial production quality assurance worldwide.

6: What is a Micro Vickers Hardness Tester used for?

It is used to measure the hardness of very thin materials, coatings, or small precision components where standard Rockwell or Brinell testers are not suitable. The tester uses a diamond indenter and precise optics to evaluate hardness at a micro-scale level with high accuracy.

7: What materials can be tested using a Micro Vickers Hardness Tester?

These testers are ideal for testing metals, ceramics, coatings, and even certain composite materials. They are particularly useful in metallurgy, electronics, aerospace, and medical device manufacturing, where precise hardness evaluation is critical for quality assurance.

8: How does a Micro Vickers Hardness Tester ensure accurate results?

Accuracy is achieved through controlled loading and dwell time, combined with high-quality optics and fine measurement units. Many models include automatic loading/unloading features to minimize human error and ensure consistency across multiple tests.

9: Is it possible to perform both Vickers and Knoop tests on the same device?

Yes, several models are designed to perform both HV (Vickers) and HK (Knoop) hardness testing. This dual functionality makes them versatile tools for laboratories and production facilities that handle a wide variety of materials and microstructure analysis tasks.

10: Are these testers compliant with international standards?

Yes, Micro Vickers Hardness Testers are manufactured in compliance with ISO, ASTM, and JIS standards. This ensures that the results are universally recognized and meet the requirements for both academic research and industrial quality control processes worldwide.