Hardness Testing Machines.Leco has introduced the latest in microindentation, Macro Vickers Vick·ers , Jonathan Stewart Known as "Jon." Born 1926. Canadian tenor widely acclaimed for his performances in operas by Wagner and Verdi. and Rockwell-type hardness testing with its LM, LV and LR Series hardness testing systems. The testers feature accurate and reliable results from durable easy-to-use instruments. The LM and LV series feature two precision photo-etched measuring lines, changeable field and aperture An orifice. It often refers to an opening in which light is allowed to pass in optical systems such as cameras and lasers. See f-stop and numerical aperture. diaphragm diaphragm (dī`əfrăm'), term used to describe any of several large muscles, found in humans and other mammals, which separate two adjacent regions of the body. The most commonly known muscle of this class is the thoraco-abdominal diaphragm. , and dual leafspring indenter supports for centered indentations, greater accuracy and excellent repeatability. The autoturret on the LM and LV series provides more precise centering by returning to the same spot every time. After focusing, operators can press the start button and the turret automatically turns to the indenter, runs the test and returns to the lens. |
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