30kg Manual Input Vickers Hardness Testing Machine with Automatic Turret

30kg Manual Input Vickers Hardness Testing Machine with Automatic Turret HV-30 / HV-30Z Vickers Hardness Tester Main Function: Vickers hardness tester is a high-tech and new product combining the optics, mechanic and electrics features. It adopts load cell control system, improves the precision of the test force and the repeatability and stability of the indicating value. It can shows the test force, dwell time, test numbers on the screen, only need to input the diagonal of