JIS Test Blocks

JIS STB Type G Test Blocks

The G-type Standard Test Blocks (STB) are a series of test blocks containing flat-bottom holes and are used in straight beam (normal) testing. They are used to adjust the working sensitivity, to measure the characteristics of the normal beam probe, and...

JIS STB-A3 Test Block

Standard Test Block (STB) Type A3 is used for adjusting the working sensitivity and test range, and for the measurement of refraction angle and probe index of angle beam transducers. STB types A31 (Fig. 8), A32 (Fig. 9), and A7963 (Fig. 10) are also...

JIS STB-A2 Test Block

Standard Test Block (STB) Type A2 is used for adjusting the working sensitivity and for the measurement of overall performance characteristics of test equipment. STB types A21 (Fig. 5) and A22 (Fig. 6) are also available. Made from 1018 Steel,...

Wood Case for JIS STB-A2

Fitted wooden case for PH Tool's JIS STB-A2 Test Block Note: cases shown in photo may not be applicable for the block(s) you are purchasing; they are shown as examples ONLY. All PH Tool wood cases are custom-made to fit specific blocks and are...