ASTM E 1629 Standard Practice for Determining the Impedance of Absolute Eddy-Current Probes
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ASTM E 1629 Document Information:
Title
Standard Practice for Determining the Impedance of Absolute Eddy-Current Probes
ASTM International
Publication Date:
Jul 1, 2007
Scope:
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.
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.
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.
Keywords:
- absolute eddy-current probes
- eddy-current probes
- impedance
- nondestructive testing
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