V2-Calibration Block 12.5/20/25mm 1018 Steel Geometry:25mm and 50 mm radius, 5.0/1.5mm hole, engraved reference mark scales from 35 to 75 degrees. Dimensions: 75mm x 43mm x 12.5mm. 12.5mm thick small calibration block for on-site checking of miniature shear wave probe index, time base, beam angle and gain. In accordance with EN 27963, DIN 54-120, and ISO 7963.
