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Production sequence of Si-spheres and interferometrical determination of the sphere volume

Interferometric Calibration of Gauge Blocks

Working Group 5.43

Request for calibration

  • Requests for calibration of gauge blocks and of prismatic material measures resembling gauge blocks, for provision of consulting services and training for laboratories calibrating gauge blocks, should please be sent to: endmass(at)ptb.de. In order to answer your request as soon as possible, we need the following information:

    • type and scope of calibration
    • quantity
    • material
    • measurement uncertainty requirements

  • E-Mail: Opens window for sending emailendmass(at)ptb.de
    Phone: 0531 592-5430
    Fax:     0531 592-695430