NDT Calibration & Validation Blocks
At Wise Eye, we supply a complete range of Calibration and Validation Blocks used in Ultrasonic, Phased Array, TOFD, and Eddy Current testing. These blocks are essential for equipment calibration, technique validation, and operator training, ensuring accuracy and compliance with international standards.
Our Range of Blocks
Ultrasonic Calibration Blocks
- IIW / Mini IIW (Type 1 & 2)
- V1 & V2 Blocks
- Step Blocks
- Distance/Resolution Blocks
- Angle Beam & Thickness Calibration Blocks
Phased Array & TOFD Blocks
- PAUT Calibration Blocks (ASME, ASTM, ISO)
- TOFD Calibration Blocks (CS, SS, customized)
- Custom-designed blocks with EDM notches, SDH, FBH, slots & holes
Ultrasonic Calibration Blocks
- IIW / Mini IIW (Type 1 & 2)
- V1 & V2 Blocks
- Step Blocks
- Distance/Resolution Blocks
- Angle Beam & Thickness Calibration Blocks
Phased Array & TOFD Blocks
- PAUT Calibration Blocks (ASME, ASTM, ISO)
- TOFD Calibration Blocks (CS, SS, customized)
- Custom-designed blocks with EDM notches, SDH, FBH, slots & holes
Key Features
- Manufactured in carbon steel, stainless steel, aluminium, titanium, and alloys as per requirement.
- Flaws introduced by EDM, flat bottom holes (FBH), side-drilled holes (SDH), notches, pits.
- Available in standard designs (ASME, ASTM, ISO, AWS) or custom-built as per client specifications.
- Supplied with Dimensional Inspection Reports.
- Durable, high-precision machining for repeatable inspection results.
Key Features
- Manufactured in carbon steel, stainless steel, aluminium, titanium, and alloys as per requirement.
- Flaws introduced by EDM, flat bottom holes (FBH), side-drilled holes (SDH), notches, pits.
- Available in standard designs (ASME, ASTM, ISO, AWS) or custom-built as per client specifications.
- Supplied with Dimensional Inspection Reports.
- Durable, high-precision machining for repeatable inspection results.









Applications
- Calibration of UT, PAUT, TOFD.
- Validation of inspection techniques and procedures.
- Training and qualification of NDT operators.
- Reference standards for QA/QC in fabrication, in-service inspection, and research.
With our Calibration & Validation Blocks, clients are assured of consistent performance, international compliance, and reliable inspection outcomes.
For all your Inspection & NDT Manpower needs
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