/ Precision Measuring Tools / Precision Hand Tools / Hardness & Surface Roughness Testers / Surface Roughness Gages / SR300 * Not actual product image 21000 SR300 Surface Roughness Tester 21000 Other similar products 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) Features Specifications Downloads Contact Starrett Features Large screen display Unique stylus lift mechanism for total flexibility Many application specific parameter options Comprehensive selection optional accessories and pickups Long traverse length and extended pickup reach Stores of up to 100 readings Specifications Accuracy (in): 2% of reading + LSD µm Cutoff Lengths: 0.01, 0.03, 0.3" / 0.25, 0.8, 2.5, 8mm Filter: 2CR or gaussian (selectable) Measuring Range: 200/100/10µm Pick-up Stylus: Inductive Roughness Parameter: Ra, Rz, Rt, Rp, Rmr, Rpc, Rsm, Rz1max, Rsk, Rda Tracer Tip: Diamond stylus Tip radius 200µ" / 5µm unless otherwise specified Tracing Length: 0.01-0.49" / 0.25-12.5mm Tracing Speed: 0.04"/sec, 1mm/sec Downloads Surface Roughness Testers - SR160, SR300, SR400 (Bulletin 2104) Brochure stating the details and features of the of the different roughness testers Starrett Electronic Precision Hand Tools (Bulletin 590) Starrett’s expanded range of electronic precision tools includes more than 100 new micrometers featuring advanced electronics, larger displays, enhanced ergonomics, longer battery life, IP67 rating and more. The product range includes Micrometers, Calipers, Height Gages, Depth Gages, Indicators, Bore Gages and Testers.