1) Make budget
When selecting a hardness tester for your application, it is important for you to answer below key questions:
1. Does your test prescribe a specific hardness scale to be used?
2. What is the material to be tested, and is this material suitable to the type of test method you are considering?
3. How large is the part, component or specimen to be tested?
4. Is the test point difficult to reach?
5. What is the volume of testing that will be done?
6. How accurate does your test result need to be?
7. What is your budget?
8. What is the required return on investment and do you have ways to measure reductions in costs- yields, throughput, operator efficiency?
9. What testing problems have you experienced in your current method?
10. How knowledgeable are the users of the tester?