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The Starrett SR300 Surface Roughness Tester is a full-featured, powerful and versatile surface roughness tester. It can be used either freestanding or bench mounted with fixturing for batch measurement and laboratory applications. Display & Traverse unit, Pick-up & Diamond Stylus, Calibration Std, Manual, and Case. 17.5mm travel, 200um range, 10nm resolution, Standard Parameter Set (ISO 4287, ASME, JIS)
