Profile: Testwell Instruments is a manufacturer of industrial testing equipment. We offer universal testing machines, hardness testers, and electrical testing instruments. Optical brinell hardness tester is fitted with a hydraulic power pack and control circuit. These are optimum for effortless loading and unloading operation. There a gauge in the front which is used to measure the depth of ball penetration. This facilitates production testing within tolerance limits by compression method. This machine also possesses an 'optical device' with 14 X magnification provided in front, to project diameter of ball impression on glass screen with a micrometer measuring system with 0.01 mm accuracy.