/ Precision Measuring Tools / Precision Hand Tools / Hardness & Surface Roughness Testers / Surface Roughness Gage Accessories / SR-112-1534 * Not actual product image SR-112-1534 Reference Standard (SR200-300-400) SR200 Calibration and Setting Standard Reference Standard Reference Standard for use with SR200 Surface Roughness Tester. Features Product Testimonials Other similar products Contact Starrett Features Full-featured, powerful and versatile surface roughness tester SR200 can be used either freestanding or bench mounted for batch measurement and laboratory applicationsw Powered for portability Product Testimonials Write a product review Write a product review Comments* First Name* Last Name* Email* Occupation The information you provide will be used in accordance with the terms of our privacy policy. I agree to the privacy policy. Please provide the required information. Thank you for submitting a product testimonial on www.starrett.com. By submitting information to Starrett, you acknowledge and give express permission for the L.S. Starrett Company to use and share your statements.