Calibration block 1 (EN12223) also known as IIW/V1/A2. A steel block for the calibration of ultrasonic flaw detection and inspection equipment used in material testing. Used for the calibration of shear and longitudinal transducers, determination of shear wave emission point, refracted angle. Also for measurement of sensitivity and resolution

Calibration block 2 (EN27963) also known as V2. For the ultrasonic examination of welds. To check angle and index point. Available in 12.5mm and 20mm thickness.

The following products available:

• IOW A5 beam calibration blocks
• A6 & A7 resolution blocks complying to BS2704
• FB frequency block
• VW step wedge 1-8mm
• CBU universal calibration blocks (50mm radius)
• CBM thickness & CBV velocity blocks
• PW pipe step wedges 2-10mm
• RTB radiuses calibration block for boiler tube probes
• Aluminum V1 & V2 calibration blocks
• ASME test blocks
• EMAT calibration pipe step wedge

• Other blocks available on request