Hrvatski normativni dokument

Oznaka: HRN EN 12668-2:2010

Naslov (HR):
Nerazorno ispitivanje -- Karakterizacija i provjeravanje opreme za ispitivanje ultrazvukom -- 2. dio: Sonde (EN 12668-2:2010)

Naslov (EN):
Non-destructive testing -- Characterization and verification of ultrasonic examination equipment -- Part 2: Probes (EN 12668-2:2010)

Područje primjene (EN):
This European Standard covers probes used for ultrasonic non-destructive examination in the following categories with centre frequencies in the range 0,5 MHz to 15 MHz, focusing and without focusing means:
a) single or dual transducer contact probes generating compressional or shear waves;
b) single transducer immersion probes.
Where material-dependent ultrasonic values are specified in this document they are based on steels having a sound velocity of (5 920 ± 50) m/s for longitudinal waves, and (3 255 ± 30) m/s for transverse waves.
Periodic tests for probes are not included in this document. Routine tests for the verification of probes using on-site methods are given in EN 12668-3.
If parameters in addition to those specified in EN 12668-3 are to be verified during the probe's life time, as agreed upon by the contracting parties, the methods of verification for these additional parameters should be selected from those given in this document.

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