The Phase II 900-391D Hardness Tester is a state-of-the-art, precise testing system suitable for hardness analysis of metallic specimens in metallography laboratories or production environments. The 900391D Micro-Vickers Hardness Tester is a versatile and user-friendly system, designed for the accurate hardness testing of small precision parts, thin materials, coatings, wires and case depth determinations. The 900391D also has an auto-turret sensor to prevent maloperation of the pressure turret when testing. The Phase II 900-391D includes a Video Camera, Adapter, USB Output Cable, additional turret control, and Automatic Measurement software on a CD, giving you the capabilities of machines that cost thousands more. The 900-391D Micro Vickers hardness testers cover the load range from 10 g to 1 kg. Conforming to ASTM E-384/92 Vickers hardness testers standards, the 900-391D Hardness Testers will offer unmatched repeatability. This micro Vickers hardness tester can also measure Knoop hardness after installing an optional knoop indentor. A perfect rugged performer suited for any environment, the Phase II vickers hardness testers are offered with a 5 year warranty and free lifetime technical support.