ASTM E1684/E1684M-15
(Specification)Standard Specification for Miniature Thermocouple Connectors
Standard Specification for Miniature Thermocouple Connectors
ABSTRACT
This specification covers separable single-circuit miniature thermocouple connectors with two flat 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 higher. This specification does not cover multiple-circuit connectors, multi-pin connectors, standard size connectors, connectors intended primarily for panel mounting, or high-temperature connectors (for example, those designed for continuous use at temperatures significantly above approximately 500 °F (260 °C)). The connectors shall be rated based on their performance during contact resistance, thermal gradient, and insulation resistance tests.
SCOPE
1.1 This specification covers separable single-circuit miniature thermocouple connectors with two flat 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, standard size connectors, or connectors intended primarily for panel mounting. High-temperature connectors (for example, those designed for continuous use at temperatures significantly above approximately 500°F [260°C]) are not intended to be covered by this specification.
1.3 The values stated in either SI units or inch-pound 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 plug and jack may be ordered separately but many of the connector characteristics (see Table 1) are qualified as a mated pair. The requirements in this standard are applicable for the connector pair supplied by the same manufacturer.
1.5 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation:E1684/E1684M −15
Standard Specification for
1
Miniature Thermocouple Connectors
ThisstandardisissuedunderthefixeddesignationE1684/E1684M;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 mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
1.1 This specification covers separable single-circuit minia-
ture thermocouple connectors with two flat pins. Connectors
2. Referenced Documents
covered by this specification must be rated for continuous use
to at least 300°F (150°C), but they may optionally be rated to 2.1 The following documents of the latest issue form a part
a higher temperature. of this specification to the extent referenced herein. In case of
conflict between this specification and another referenced
1.2 This specification does not cover multiple-circuit
document, this specification shall take precedence.
connectors, multi-pin connectors, standard size connectors, or
2
connectors intended primarily for panel mounting. High- 2.2 ASTM Standards:
temperature connectors (for example, those designed for con- E230/E230M Specification and Temperature-Electromotive
tinuous use at temperatures significantly above approximately Force (emf) Tables for Standardized Thermocouples
500°F [260°C]) are not intended to be covered by this E344 Terminology Relating to Thermometry and Hydrom-
specification. etry
E2820 Test Method for Evaluating Thermal EMF Properties
1.3 The values stated in either SI units or inch-pound units
of Base-Metal Thermocouple Connectors
are to be regarded separately as standard. The values stated in
brackets are not conversions to the values they succeed and
3. Terminology
therefore shall be used independently of the preceding values.
The values given in parentheses are conversions of the values
3.1 Definitions—The definitions given inTerminology E344
they succeed. Combining values from the two systems may shall apply.
result in non-conformance with the standard.
3.2 Definitions of Terms Specific to This Standard:
1.4 The plug and jack may be ordered separately but many 3.2.1 connector pair, n—assembly consisting of a plug and
of the connector characteristics (see Table 1) are qualified as a a jack, each having both positive and negative inserts, that will
mated pair.The requirements in this standard are applicable for connect two parts of an electrical circuit and provide a means
the connector pair supplied by the same manufacturer. of physically disconnecting the two parts without the use of a
tool.
1.5 The following precautionary statement pertains only to
the Test Methods portion, Section 9, of this specification: This 3.2.2 contact insert, n—metallic conductor assemblies that,
standard does not purport to address all of the safety concerns, when installed in connector bodies, provide connections be-
if any, associated with its use. It is the responsibility of the user tween two parts of an electrical circuit. Plug connectors will
of this standard to establish appropriate safety and health contain projecting prong contacts, while jack connectors will
practices and determine the applicability of regulatory limita- contain recessed socket or receptacle contacts.
tions prior to use.
3.2.3 service life, n—period of time over which a connector
1.6 This international standard was developed in accor-
assembly can be put to use and retain all physical and
dance with internationally recognized principles on standard-
thermoelectric properties.
ization established in the Decision on Principles for the
3.2.4 test difference, n—thermoelectric emf value attribut-
Development of International Standards, Guides and Recom-
able to mated connectors observed by the test procedure of this
specification.
1
This specification is under the jurisdiction of ASTM Committee E20 on
Temperature Measurement and is the direct responsibility of Subcommittee E20.13
2
on Thermocouples - Materials and Accessories Specifications. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Dec. 1, 2015. Published January 2016. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1995. Last previous edition approved in 2010 as E1684 – 10. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/E1684-15. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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E1684/E1684M−15
TABLE 1 Ratings
Characteristic Min Max Requirement Test Pro
...
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: E1684 − 10 E1684/E1684M − 15
Standard Specification for
1
Miniature Thermocouple Connectors
This standard is issued under the fixed designation E1684;E1684/E1684M; 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 miniature thermocouple connectors with two flat 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 higher.to a higher
temperature.
1.2 This specification does not cover multiple-circuit connectors, multi-pin connectors, standard size connectors, or connectors
intended primarily for panel mounting. High-temperature connectors (for example, those designed for continuous use at
temperatures significantly above approximately 500°F (260°C))[260°C]) are not intended to be covered by this specification.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as the 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 for information only.conversions of the values they succeed. Combining values from the two
systems may result in non-conformance with the standard.
1.4 The plug and jack may be ordered separately but many of the connector characteristics (see Table 1) are qualified as a mated
pair. The requirements in this standard are applicable for the connector pair supplied by the same manufacturer.
1.5 The following precautionary statement pertains only to the test methodsTest 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 and health practices and determine the applicability of
regulatory limitations prior to use.
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:
E230E230/E230M Specification and Temperature-Electromotive Force (EMF)(emf) Tables for Standardized Thermocouples
E344 Terminology Relating to Thermometry and Hydrometry
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—assembly consisting of a plug and a jack, each having both positive and negative inserts, that will
connect two parts of an electrical circuit and provide a means of physically disconnecting the two parts without the use of tools.a
tool.
3.2.2 contact insert, n—metallic conductor assemblies that, when installed in connector bodies, provide connections between
two parts of an electrical circuit. Plug connectors will contain projecting prong contacts, while jack connectors will contain
recessed socket or receptacle contacts.
1
This specification is under the jurisdiction of ASTM Committee E20 on Temperature Measurement and is the direct responsibility of Subcommittee E20.04 on
Thermocouples.
Current edition approved Nov. 1, 2010Dec. 1, 2015. Published December 2010January 2016. Originally approved in 1995. Last previous edition approved in 20052010
as E1684 – 05.E1684 – 10. DOI: 10.1520/E1684-10.10.1520/E1684-15.
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
1
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E1684/E1684M − 15
TABLE 1 Ratings
Characteristic min max
Operating temperature 0°F (-18°C) 300°F (150°C)
Contact resistance (each leg) . 0.04 Ω
7
Insulation resistance at room temperature 10 Ω .
6
Insulation resistance at 300 °F (150 °C) 10 Ω .
Test difference . ±2°F (±1.1°C)
Repeated co
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