E-27EMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.• The height of each step incrementally decreases from block No. 1 to block No. 5.• Each step is dened as the difference in height between the centers of adjacent blocks, measured to a resolution of 0.01 μm by using an interferometer with an accuracy tolerance of ±0.20 μm.• 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: mmNote: ○○○-○○○-24: Provided with Calibration CerticateGauge BlocksLength Standards Brought to You by MitutoyoSPECIFICATIONSSteel typeOrder No. 516-198516-199Block No.1234512345Cumulative step (μm)0101517180300400450470Step value between adjacent blocks (μm)105213001005020Ceramic typeOrder No. 516-498516-499Block No.1234512345Cumulative step (μm)0101517180300400450470Step value between adjacent blocks (μm)105213001005020Adjacent stepMagnied view of stepBlock No.4515267300123451005020µm77776(Max. height)Step value between adjacent blocks No. 1 - 2 No. 2 - 3 No. 3 - 4 No. 4 - 5516-198, 516-498 10µm 5µm 2µm 1µm516-199, 516-499 300µm 100µm 50µm 20µm12345 R0.2 or lessAn inspection certicate is supplied as standard. Refer to page U-9 for details.

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