PH Tool Phased Array Type “A” Block

Part # PHTPHATAB Category

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The Phased Array “Type A” Calibration Block is used during the initial setup and calibration of a phased array ultrasonic unit. This block can be used to perform tasks such as beam angle verification, calibration for wedge delay, sensitivity calibration, performing DAC/TCG, and more. This block has similar dimensions to an IIW-Type Block, but has been specially-engineered for phased array applications.


1018 Steel, 7075-T6 Aluminum, Special Alloy, Type 304 Stainless Steel, Stainless Steel

Measurement Unit

Inch, Metric

Include Case

None, Wood Case


Blocks include both 4.000″ and 2.000″ radii, (19) through holes at 0.040″ diameter, (1) through hole at 0.080″ diameter, (4) FBHs at 0.080″ diameter x 0.080, 0.160, 0.235, and 0.315″ deep, (4) FBHs at 0.157″ diameter x 0.040, 0.120, 0.200, and 0.275″ deep, (3) FBHs at 0.080″ diameter x 0.120″ deep machined into the 2.000″ radius, and (4) EDM notches at 0.004, 0.008, 0.012, and 0.016″ deep x 0.020″ wide x 1.00″ long.
Block dimensions are 1.000″ thick x 4.000″ tall x 12.00″ long. Inch Version in accordance with PH Tool Drawing No. 10237.


Blocks include both 100.0mm and 50.0mm radii, (19) through holes at 1.0mm diameter, (1) through hole at 2.0mm diameter, (4) FBHs at 2.0mm diameter x 2.0, 4.0, 6.0, and 8.0mm deep, (4) FBHs at 4.0mm diameter x 1.0, 3.0, 5.0, and 7.0mm deep, (3) FBHs at 2.0mm diameter x 3.0mm deep machined into the 50mm radius, and (4) EDM notches at 0.1, 0.2, 0.3, and 0.4mm deep x 0.5mm wide x 25.0mm long.

Block dimensions are 25.0mm thick x 100.0mm tall x 300.0mm long. In accordance with PH Tool Drawing No. 10217.

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