Standard Historical Last Updated: Dec 03, 2012 Track Document
ASTM E1629-07

Standard Practice for Determining the Impedance of Absolute Eddy-Current Probes

Standard Practice for Determining the Impedance of Absolute Eddy-Current Probes E1629-07 ASTM|E1629-07|en-US Standard Practice for Determining the Impedance of Absolute Eddy-Current Probes Standard new BOS Vol. 03.03 Committee E07
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Significance and Use

Eddy-current probes may be used for the nondestructive examination of parts or structures made of electrically conducting materials. Many of these examinations are intended to discover material defects, such as cracks, that may cause the part or structure to be unsafe or unfit for service. Eddy-current probes that fail to meet the performance level requirements of this practice shall not be used for the examination of material or hardware unless the probe is qualified by some other system or an agreement has been reached by the probe manufacturer and the purchaser, or both.

Scope

1.1 This practice covers a procedure for determining the impedance of absolute eddy-current probes (bridge-type, air or ferrite core, wire wound, shielded, or unshielded) used for finding material defects in electrically conducting material. This practice is intended to establish a uniform test methodology to measure the impedance of eddy-current probes prior to receipt of these probes by the purchaser or the specifier.

1.2 Limitations - This practice does not address the characterization or measurement of the impedance of differential, a-c coupled, or transmit/receive types of probes. This practice does not address the use of magnetic materials in testing probes. This practice shall not be used as a basis for selection of the best probe for a particular application or as a means by which to calibrate a probe for a specific examination.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 03.03
Developed by Subcommittee: E07.07
Pages: 6
DOI: 10.1520/E1629-07
ICS Code: 19.100; 77.040.20