Type A reference block for initial setup and calibration of phased-array ultrasonic testing systems, including beam-angle verification, wedge-delay and sensitivity checks.Key features 100 mm and 50 mm radii with multiple reference reflector types. Through-holes, flat-bottom holes and EDM notches for different setup tasks. Supports DAC/TCG setup when its geometry meets the inspection procedure. Applications PAUT setup for welded fabrication, pressure equipment and piping inspection. Wedge-delay and sensitivity calibration before phased-array scans. Advanced UT training and procedure development. Specifications Supplier model FB-901-0019, Type A Dimensions 300 × 100 × 25 mm Radii 100 mm and 50 mm Through-holes 19 × Ø1 mm; 1 × Ø2 mm Ø2 mm flat-bottom holes Depths 2, 4, 6 and 8 mm Ø4 mm flat-bottom holes Depths 1, 3, 5 and 7 mm Additional flat-bottom holes 3 × Ø2 mm × 3 mm deep, machined into the 50 mm radius EDM notches Depths 0.1, 0.2, 0.3 and 0.4 mm; width 0.5 mm; length 25 mm Materials Carbon steel or stainless steel; stainless grade not specified Selection and standardsConfirm suitability against the applicable PAUT procedure. The price list does not state a dedicated compliance standard for Type A.Included and optional accessoriesOne calibration block in the selected configuration. Certificate scope, protective case and lead time should be specified with the quotation; inclusion is not confirmed by the price list.Use a compatible ultrasonic instrument, probe and couplant, supplied separately.DatasheetDownload the Yushi Ultrasonic Calibration Blocks datasheet (PDF)
