ASTM D2865-01
(Practice)Standard Practice for Calibration of Standards and Equipment for Electrical Insulating Materials Testing
Standard Practice for Calibration of Standards and Equipment for Electrical Insulating Materials Testing
SCOPE
1.1 This practice provides for the establishment and maintenance of calibration procedures for measuring and test equipment used for electrical insulating materials. It provides a framework of concepts and practices, with definitions and specifications pertaining to measurement, adequacy of standards, necessary environmental controls, tables of corrections, intervals of calibration, calibration procedures, calibration of standards, and personnel training system documentation.
1.2 This practice is intended for control of the accuracy of the equipment used for measurements that are made in accordance with ASTM standards or other specified requirements.
1.3 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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An American National Standard
Designation:D2865–01
Standard Practice for
Calibration of Standards and Equipment for Electrical
1
Insulating Materials Testing
This standard is issued under the fixed designation D 2865; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope other ASTM standards such as Practice E 177 and D 2645.
Only those terms bearing on interpretations are described here.
1.1 This practice provides for the establishment and main-
3.1.1 See Terminology D 1711 for terms pertaining to elec-
tenance of calibration procedures for measuring and test
trical insulating materials.
equipment used for electrical insulating materials. It provides a
3.2 Definitions of Terms Specific to This Standard:
framework of concepts and practices, with definitions and
3.2.1 accuracy ratio, n—see uncertainty ratio.
specifications pertaining to measurement, adequacy of stan-
3.2.2 adequacy of a standard, n—the quality or state of a
dards, necessary environmental controls, tables of corrections,
standard that exhibits and maintains the required accuracy and
intervals of calibration, calibration procedures, calibration of
stability under the conditions of usage.
standards, and personnel training system documentation.
3.2.3 calibration, n—theprocessofcomparingastandardor
1.2 This practice is intended for control of the accuracy of
an instrument with one of greater accuracy (smaller uncer-
the equipment used for measurements that are made in accor-
tainty) for the purpose of obtaining quantitative estimates of
dance with ASTM standards or other specified requirements.
the actual value of the standard being calibrated, the deviation
1.3 This standard does not purport to address all of the
of the actual value from the nominal value, or the difference
safety concerns, if any, associated with its use. It is the
between the value indicated by an instrument and the actual
responsibility of the user of this standard to establish appro-
value.
priate safety and health practices and determine the applica-
3.2.3.1 Discussion—These differences are usually tabulated
bility of regulatory limitations prior to use.
in a “Table of Corrections” which apply to that particular
2. Referenced Documents
standard or instrument.
3.2.4 calibration labeling, n— for measurement equipment
2.1 ASTM Standards:
2
or standards, a means to indicate the date of latest calibration,
D 1711 Terminology Relating to Electrical Insulation
by whom it was calibrated, and the due date for the next
D 2645 TolerancesforYarnsSpunontheCottonorWorsted
3
calibration.
Systems
3.2.5 certification—see traceability to NIST (formerly
D 6054 Practice for Conditioning Electrical Insulating Ma-
4
NBS).
terials for Testing
3.2.5.1 Discussion—In the past, certification has been used
E 171 Specification for Standard Atmospheres for Condi-
5
to convey the meaning of either or both of the above terms.
tioning and Testing Flexible Barrier Materials
Since NIST no longer issues certificates of calibrations, the
E 177 Practice for Use of the Terms Precision and Bias in
6
term has come to have a specialized meaning.The following is
ASTM Test Methods
quoted from NBS Special Publication 250, “Calibration and
3. Terminology
Test Services of the National Institute of Standards and
Technology”, 1968 edition:
3.1 Definitions—Many definitions concerning calibration of
standardsandequipmentaregenerallyunderstoodordefinedin
“Results of calibrations and other tests are issued to the customer as
formalreportsentitled,“NationalInstituteofStandardsandTechnology
Report of Calibration”, “National Institute of Standards and Technol-
1
This practice is under the jurisdiction of ASTM Committee D09 on Electrical
ogyReportofTest”,or“NationalInstituteofStandardsandTechnology
and Electronic Insulating Materials and is the direct responsibility of Subcommittee
Report of Analysis”, as appropriate. Copies are not supplied to other
D09.12 on Electrical Tests.
parties. Whenever formal certification is required by law, or to meet
Current edition approved Mar. 10, 2001. Published May 2001. Originally
special conditions adjudged by the National Institute of Standards and
published as D 2865 – 70. Last previous edition D 2865 – 95.
2 Technology to warrant it, a letter will be provided certifying that the
Annual Book of ASTM Standards, Vol 10.01.
3
particularitemwasreceivedandcalibratedortestedandidentifyingthe
Annual Book of ASTM Standards, Vol 07.01.
4
report containing the results.”
Annual Book of ASTM Standards, Vol 10.02.
5
Annual Book of ASTM Standards, Vol 15.09.
6
Annual Book of ASTM Standards, Vol 14.02.
Co
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