Mahr Certified Dual Roughness Master 2238983
Surface roughness standard with two areas: sinusoidal for calibration, and triangular for stylus check for Ra=0.4µm/16µin. Certified and supplied with leather case.
(to view copy of calibration certificate click here)
GAR Precision Reference Standard is rectangular in shape, (2-1/2 x 3-3/4) mad of electroformed nickel and is rhodium plated for superior abrasion. The Precision Reference Standard is supplied in a leather case and includes certification traceable to N.I.S.T.
Mahr PRN 10 Roughness Standard 6820420
With DKD calibration certificate. Roughness standard with turned profile, chromed. Profile depth approximately 10µm (.394µin). For checking the roughness measuring station.
Mahr PGN 3 Geometric Standard 6820601
Surface roughness standard with a sinusoidal groove profile. Profile depth approximately 3µm (120µin), groove spacing approximately 0.12 mm (.0047 in.). For checking the roughness measuring station. NIST or DKD calibration certificates are available on request.
Taylor Hobson Roughness Standard 112/1534
Single Patch Roughness Standard 6µm, chrome. Uncertified.
Mahr Precision Reference Specimen PMD 90300
Precision Devices Precision Reference Standard
Reference Standards are available in Shop Grade (short form certificate) and Precision Reference Grade (long form certificate) to satisfy your ISO requirements. Both are traceable to NIST.
Rapp Industrial Sales * 127 Main Street * Connoquenessing, Pa 16027
Phone 888-789-7277 * 724-789-7853 * Fax 724-789-7288 Email: sales @rappindustrialsales.com
