Multi-Step Thickness Calibration Features multiple precision-machined steps for verifying ultrasonic thickness gauge accuracy across various depths. High-Precision Machining Each step is ground to tight tolerances, ensuring consistent readings and reliable calibration during ultrasonic testing. Material Options Available in carbon steel, stainless steel, or aluminum to match test materials and maintain acoustic consistency. for NDT and Flaw Detection for beam profiling, sensitivity checks, and flaw detection in welds, castings, and structural components. Complies with International Standards Manufactured to meet ASTM, EN, and ISO specifications for professional use in labs, workshops, and field inspections.