VDI/VDE 2648 Blatt 1-2007 Transducers and measuring systems for measurement of angle - Instructions for traceable calibration - Indirect measure angle measuring systems
2009VDI/VDE 2648 Blatt 1-2009 Transducers and measuring systems for measurement of angle - Instructions for traceable calibration - Direct measure angle measuring systems
2007VDI/VDE 2648 Blatt 1-2007 Transducers and measuring systems for measurement of angle - Instructions for traceable calibration - Indirect measure angle measuring systems