PH Tool DSC Block

The PH Tool DSC Block is used for shear wave distance and sensitivity calibration.  Contains a 1.0” radius opposite a 3.0” radius.  The 3.0” radius includes a .375” deep x .032” wide radius slot.  Also contains a 0o reference point for checking exit point on wedge, and a .125” diameter through hole and corresponding markings at 45o, 60o and 70o for measuring actual refracted angle.  The DSC Block is in accordance with ASTM E164 and AWS 6.16.1B.  Comes in 1.0” thick with metric version available.

Available in aluminum, steel, stainless steel and special alloy.

Contact us for pricing and to place your order.



Standard test blocks are non-representative tools, meaning that they are not manufactured from actual parts. Rather, they are a simplified design that contains manufactured discontinuities such as holes, angles, radii and more. Standard test blocks serve the purpose of standardizing and calibrating test equipment to ensure it is functioning properly.

All test blocks ship with a NIST-traceable certification report stating that the block meets applicable specifications.

Optional fitted, wooden storage case also available.

Additional information

Calibration Block

Imperial Aluminum, Imperial 1018 Steel, Imperial Stainless Steel, Imperial Special Alloy, Metric Aluminum, Metric 1018 Steel, Metric Stainless Steel, Metric Special Alloy


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