E-27EMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice.• Step Master is a gauge providing 4 small increments in height (steps) constructed from an assembly of 5 highly accurate steel or ceramic blocks.• Each step is dened as the difference in height between the center of adjacent blocks, measured to a resolution of 0.01μm by using an interferometer with an accuracy tolerance of ±0.20μm.• Steel and ceramic types are available to suit the application.• Height differences are measured between the centers of adjacent steps. Step Master SERIES 516Ceramic type516-499Steel type516-199 DIMENSIONSUnit: mm○○○-○○○-64: Provided with Calibration Certicate○○○-○○○-84: Provided with Calibration Certicate and Traceability System Chart Gauge BlocksLength Standards Brought to You by MitutoyoSPECIFICATIONSSteel typeOrder No. 516-198516-199Block No.1234512345Cumulative step (μm)0101517180300400450470Step value between adjacent blocks (μm)105213001005020Ceramic typeOrd er No. 516-498516-499Block No.1234512345Cumulative step (μm)0101517180300400450470Step value between adjacent blocks (μm)105213001005020Adjacent step Magnied view of step Block No. 45 15 267 300 1 2 3 4 5 100 50 20 µm 7 7 7 7 6 (Max. height) Step value between adjacent blocks No. 1 - 2 No. 2 - 3 No. 3 - 4 No. 4 - 5 516-198, 516-498 10µm 5µm 2µm 1µm 516-199, 516-499 300µm 100µm 50µm 20µm 1 2 3 4 5 R0.2 or belowAn inspection certicate is supplied as standard. Refer to page X for details.


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