Ultrasonic Calibration Block V1

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Calibration block V1 is intended for ultrasonic flaw detectors calibration during ultrasonic testing of welded joints quality and corresponds to DSTU 4002-2000 (ISO 2400, DIN 54120, B. S. 2704).

V1 calibration block allows to:

determine the index point of ultrasonic oscillations and ultrasonic x-value with an error ± 0.5 mm;
determine the probe angle of ultrasonic oscillations with an error ±1 angl. degrees;
determine the non-testing (dead) zone (by steel) for straight-beam probes;
determine the resolution capability (by steel) of ultrasonic straight-beam probes;
determine the sweep linearity of UT flaw detectors horizontally;

Specifications

Calibration block is made of a fine grained low carbon steel with a low attenuation coefficient;
longitudinal waves sound velocity in the calibration block material at a frequency 5.0 MHz and temperature (20±5) ⁰ С equals (5920±30) m/s;
Shear waves sound velocity in the polymethyl methacrylate material of calibration block at a frequency 5.0 MHz and temperature⁰ С equals (2670±100) m/s;
Calibration block geometrical dimensions correspond to DSTU 4002-2000 (ISO 2400, DIN 54120, B. S. 2704);
Calibration block weight is no more than 4.8 kg.

Published in Ultrasonic Calibration Blocks

More in this category: « SO-3R calibration block Ultrasonic Calibration Block V2 »

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