Starrett SR300 portable surface roughness tester measures Ra, Rz, and Rq parameters with a 0.05 to 200 µm Ra range and 0.001 µm resolution. The compact profilometer features a large LCD display, built-in data storage, and a piezoelectric pickup for reliable workshop and laboratory surface finish analysis.

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

• 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 upto 100 readings
• Diamond stylus tip radius 200 micro-in unless otherwise specified tracer tip
• 2CR or gaussian filter
• Display and traverse unit, pickup and diamond stylus, calibration standard, manual and carrying case
• 17.5 mm travel, standard parameter set
• 32 - 122 deg F storage temperature
• 0 - 80% non-condensing Humidity
• > 20000 measurements battery life
• 4 hr charging time
• 5000 hr standby time
• A rubberized molding and mylar screen enhance durability and grip for unbeatable protection in harsh shop floor environments