ASTM E1129/E1129M-19
(Specification)Standard Specification for Thermocouple Connectors
Standard Specification for Thermocouple Connectors
ABSTRACT
This specification covers separable single-circuit thermocouple connectors with two round pins. The widespread use of thermocouple connectors requires standardization of mating dimensions and performance characteristics. Connectors shall be constructed as either plugs or jacks, and these two forms shall be designed to connect with each other. Contact resistance test, thermal gradient test, and insulation resistance test shall be performed to meet the requirements prescribed.
SIGNIFICANCE AND USE
4.1 The widespread use of thermocouple connectors requires standardization of mating dimensions and performance characteristics.
4.2 This specification describes standardized thermocouple connector dimensions and capabilities and includes test procedures suitable for evaluating the performance of a particular specimen or design. The tests described are not intended for routine inspection or rapid testing of large groups of connectors or for quality control purposes.
SCOPE
1.1 This specification covers separable single-circuit thermocouple connectors with two round pins. Connectors covered by this specification must be rated for continuous use to at least 300 °F (150 °C), but they may optionally be rated to a higher temperature.
1.2 This specification does not cover multiple-circuit connectors, multi-pin connectors, miniature connectors, or connectors intended primarily for panel mounting. High temperature connectors (for example, those designed for continuous use at temperatures above approximately 500 °F (260 °C)) are not intended to be covered by this specification.
1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in brackets are not conversions to the values they succeed and therefore shall be used independently of the preceding values. The values given in parentheses are conversions of the values they succeed. Combining values from the two systems may result in non-conformance with the standard.
1.4 The following precautionary statement pertains only to the test methods portion, Section 9, of this specification. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: E1129/E1129M −19 An American National Standard
Standard Specification for
1
Thermocouple Connectors
ThisstandardisissuedunderthefixeddesignationE1129/E1129M;thenumberimmediatelyfollowingthedesignationindicatestheyear
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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope conflict between this specification and another referenced
document, this specification shall take precedence.
1.1 This specification covers separable single-circuit ther-
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mocouple connectors with two round pins. Connectors covered 2.2 ASTM Standards:
by this specification must be rated for continuous use to at least E220 Test Method for Calibration of Thermocouples By
300 °F (150 °C), but they may optionally be rated to a higher Comparison Techniques
temperature. E230/E230M Specification for Temperature-Electromotive
Force (emf) Tables for Standardized Thermocouples
1.2 This specification does not cover multiple-circuit
E344 Terminology Relating to Thermometry and Hydrom-
connectors, multi-pin connectors, miniature connectors, or
etry
connectors intended primarily for panel mounting. High tem-
E608/E608M Specification for Mineral-Insulated, Metal-
perature connectors (for example, those designed for continu-
Sheathed Base Metal Thermocouples
ous use at temperatures above approximately 500 °F (260 °C))
E2820 Test Method for Evaluating Thermal EMF Properties
are not intended to be covered by this specification.
of Base-Metal Thermocouple Connectors
1.3 The values stated in either inch-pound units or SI units
3. Terminology
are to be regarded separately as standard. The values stated in
brackets are not conversions to the values they succeed and
3.1 Definitions—The definitions given inTerminology E344
therefore shall be used independently of the preceding values.
shall apply.
The values given in parentheses are conversions of the values
3.2 Definitions of Terms Specific to This Standard:
they succeed. Combining values from the two systems may
3.2.1 connector pair, n—an assembly consisting of a plug
result in non-conformance with the standard.
and a jack, each having both positive and negative contact
1.4 The following precautionary statement pertains only to
inserts, that will connect two parts of an electrical circuit and
the test methods portion, Section 9, of this specification. This
provide a means of physically disconnecting the two parts
standard does not purport to address all of the safety concerns,
without the use of a tool.
if any, associated with its use. It is the responsibility of the user
3.2.2 contact insert, n—metallic conductor assembly that,
of this standard to establish appropriate safety, health, and
when installed in a connector body, provides a connection
environmental practices and determine the applicability of
between two parts of an electrical circuit. Plug connectors will
regulatory limitations prior to use.
contain projecting prong contacts, while jack connectors will
1.5 This international standard was developed in accor-
contain recessed sockets or receptacle contacts.
dance with internationally recognized principles on standard-
3.2.3 service life, n—period of time that a connector assem-
ization established in the Decision on Principles for the
bly can be put to use and retain all physical and thermoelectric
Development of International Standards, Guides and Recom-
properties.
mendations issued by the World Trade Organization Technical
3.2.4 test difference, n—thermoelectric emf value attribut-
Barriers to Trade (TBT) Committee.
able to mated connectors observed by the test procedure of this
2. Referenced Documents
specification.
2.1 The following documents of the latest issue form a part
4. Significance and Use
of this specification to the extent referenced herein. In case of
4.1 The widespread use of thermocouple connectors re-
quires standardization of mating dimensions and performance
characteristics.
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This specification is under the jurisdiction of ASTM Committee E20 on
Temperature Measurement and is the direct responsibility of Subcommittee E20.13
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on Thermocouples - Materials and Accessories Specifications. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Nov. 1, 2019. Published November 2019. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1986. Last previous edition approved in 2015 as E1129 – 15. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/E1129_E1129M-19. the AS
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E1129/E1129M − 15 E1129/E1129M − 19
Standard Specification for
1
Thermocouple Connectors
This standard is issued under the fixed designation E1129/E1129M; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This specification covers separable single-circuit thermocouple connectors with two round pins. Connectors covered by this
specification must be rated for continuous use to at least 300°F (150°C),300 °F (150 °C), but they may optionally be rated to a
higher temperature.
1.2 This specification does not cover multiple-circuit connectors, multi-pin connectors, miniature connectors, or connectors
intended primarily for panel mounting. High temperature connectors (for example, those designed for continuous use at
temperatures above approximately 500°F (260°C))500 °F (260 °C)) are not intended to be covered by this specification.
1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in
brackets are not conversions to the values they succeed and therefore shall be used independently of the preceding values. The
values given in parentheses are conversions of the values they succeed. Combining values from the two systems may result in
non-conformance with the standard.
1.4 The following precautionary statement pertains only to the test methods portion, Section 9, of this specification. 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 safety, health, and healthenvironmental practices and determine the applicability
of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 The following documents of the latest issue form a part of this specification to the extent referenced herein. In case of
conflict between this specification and another referenced document, this specification shall take precedence.
2
2.2 ASTM Standards:
E220 Test Method for Calibration of Thermocouples By Comparison Techniques
E230/E230M Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
E344 Terminology Relating to Thermometry and Hydrometry
E608/E608M Specification for Mineral-Insulated, Metal-Sheathed Base Metal Thermocouples
E2820 Test Method for Evaluating Thermal EMF Properties of Base-Metal Thermocouple Connectors
3. Terminology
3.1 Definitions—The definitions given in Terminology E344 shall apply.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 connector pair, n—an assembly consisting of a plug and a jack, each having both positive and negative contact inserts,
that will connect two parts of an electrical circuit and provide a means of physically disconnecting the two parts without the use
of a tool.
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This specification is under the jurisdiction of ASTM Committee E20 on Temperature Measurement and is the direct responsibility of Subcommittee E20.13 on
Thermocouples - Materials and Accessories Specifications.
Current edition approved Dec. 1, 2015Nov. 1, 2019. Published January 2016November 2019. Originally approved in 1986. Last previous edition approved in 20142015
as E1129 – 14. – 15. DOI: 10.1520/E1129_E1129M-15.10.1520/E1129_E1129M-19.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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E1129/E1129M − 19
3.2.2 contact insert, n—metallic conductor assembly that, when installed in a connector body, provides a connection between
two parts of an electrical circuit. Plug connectors will contain projecting prong contacts, while jack connectors will contain
recessed sockets or receptacle contacts.
3.2.3 servi
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