On-site Testing: It is a portable instrument suitable to use in the plant. It is easy to operate and convenient to carry. So it can be used to easy test large work-pieces in any direction on site. Permanent Indentation: With 3000kg test force and 10mm ball indenter, the indentation can accurately reflect the true harness of cast iron, cast steel, forge piece, and other materials with coarse grain. The permanent indentation can be re inspected at any time after testing. Real Result: PHB-3000 has the same principle as the bench type Brinell hardness tester. So the result is totally different from the lossy conversion value of other portable hardness testers (eg. Rebound type hardness tester). Wide Testing Range: PHB-3000 has various test forces and two different ball indenters in order to test.