Electron Microscopy Sciences Ps26 With Ukas Certificate

Electron Microscopy Sciences Reflected light calibration slide with circle shapes and scales for calibrating brinell hardness testers. The ps26 which has a series of circles, to represent the ball indentation shape, of varying size and x-y scales. It is a precision marked chrome deposition image on a glass slide. Each of the markings on the slide is clearly identified with its size. This product is supplied in a polished wooden case. Ps26 pattern detail: circles: (diameter, mms) 5.0, 2.5, 1.0, 0.7, 0.3 scales: horizontal and vertical, 2 mm in 0.1 mm divisions - EMS