VDI/VDE/DGQ 2618 Blatt 11.2-2000 Checking gauges and measuring tools - Testing instruction for dial indicators for linear measurement with mechanical indication
2002VDI/VDE/DGQ 2618 Blatt 11.2-2002 Inspection of measuring and test equipment - Test instructions for dial indicators for linear measurement with mechanical indication
2000VDI/VDE/DGQ 2618 Blatt 11.2-2000 Checking gauges and measuring tools - Testing instruction for dial indicators for linear measurement with mechanical indication