The examination pressure is utilized via a shut-loop Manage unit having a load mobile, a DC motor and an Digital measurement and Regulate unit that switch conventional useless weights. The result is highly correct hardness examination measurements in the slightest degree examination loads as much as 0.5%. Except for http://elliottwuohx.blogdun.com/1962866/5-simple-statements-about-vicker-hardness-testing-explained