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ASTM E1129/E1129M-98

(Specification)

Standard Specification for Thermocouple Connectors

Standard Specification for Thermocouple Connectors

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 may optionally be rated higher.  
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 significantly higher than about 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.  
1.4 The following precautionary statement pertains only to the test method portion, Section 9, of this specification. This standard does not purport to address all of the safety problems 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.

General Information

Status
Historical
Publication Date
09-Nov-1998
Technical Committee
E20 - Temperature Measurement
Current Stage
Ref Project

Relations

Replaced By
ASTM E1129/E1129M-98(2002) - Standard Specification for Thermocouple Connectors
Effective Date
10-Oct-2002

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ASTM E1129/E1129M-98 - Standard Specification for Thermocouple Connectors
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: E 1129/E 1129M – 98
Standard Specification for
1
Thermocouple Connectors
This standard is issued under the fixed designation E 1129/E 1129M; 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 (ε) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2.1 connector pair, n—an assembly consisting of a plug
and a jack, each having both positive and negative inserts, that
1.1 This specification covers separable single-circuit ther-
will connect two parts of an electrical circuit and provide a
mocouple connectors with two round pins. Connectors covered
means of physically disconnecting the two parts without the
by this specification must be rated for continuous use to at least
use of tools.
300 °F (150 °C), but they may optionally be rated higher.
3.2.2 contact insert, n—metallic conductor assemblies that,
1.2 This specification does not cover multiple-circuit con-
when installed in connector bodies, provide connections be-
nectors,multi-pinconnectors,miniatureconnectors,orconnec-
tween two parts of an electrical circuit. Plug connectors will
tors intended primarily for panel mounting. High temperature
contain projecting prong contacts, while jack connectors will
connectors (for example, those designed for continuous use at
contain recessed socket or receptacle contacts.
temperatures above approximately 500 °F (260 °C)) are not
3.2.3 service life, n—interval of time that a connector
intended to be covered by this specification.
assembly will be put to use and retain all physical and
1.3 The values stated in either inch-pound units or SI units
thermoelectric properties.
are to be regarded separately as standard.
3.2.4 test difference, n—apparent thermoelectric difference
1.4 The following precautionary statement pertains only to
attributable to mated connectors observed by the test procedure
the test method portion, Section 9, of this specification. This
of this specification.
standard does not purport to address all of the safety concerns,
if any, associated with its use. It is the responsibility of the user
4. Significance and Use
of this standard to establish appropriate safety and health
4.1 The widespread use of thermocouple connectors re-
practices and determine the applicability of regulatory limita-
quires standardization of mating dimensions and performance
tions prior to use.
characteristics.
2. Referenced Documents 4.2 This specification describes standardized thermocouple
connector dimensions and capabilities and includes test proce-
2.1 The following documents of the latest issue form a part
dures suitable for evaluating the performance of a particular
of this specification to the extent referenced herein. In case of
specimen or design. The tests described are not intended for
conflict between this specification and another referenced
routineinspectionorrapidtestingoflargegroupsofconnectors
document, this specification shall take precedence.
or for quality control purposes.
2.2 ASTM Standards:
E 230 Specification and Temperature-Electromotive Force
5. Classification
2
(EMF) Tables for Standardized Thermocouples
5.1 Plugs or Jacks:
E 344 Terminology Relating to Thermometry and Hydrom-
2 5.1.1 Connectors shall be constructed as either plugs or
etry
jacks, and these two forms shall be designed to connect with
E 608 Specification for Metal-Sheathed Base-Metal Ther-
2 each other.
mocouples
5.1.2 Plug connectors shall have two external prong con-
3. Terminology tacts of differing diameters to prevent improper mating. The
negative prong shall be the larger, as shown inTable 1 and Fig.
3.1 Definitions: The definitions given in Terminology E 344
1.
shall apply.
5.1.3 Jack connectors shall have two internal socket con-
3.2 Definitions of Terms Specific to This Standard:
tacts sized and spaced to receive and accommodate the prong
contacts of the mating plug. Jack connectors shall also include
1
This specification is under the jurisdiction of ASTM Committee E-20 on
a means of producing and maintaining sufficient contact
Temperature Measurement and is the direct responsibility of Subcommittee E20.04
pressure to meet all of the other requirements of this specifi-
on Thermocouples.
cation.
Current edition approved Nov. 10. 1998. Published March 1999. Originally
published as E 1129 – 86. Last previous edition E 1129 – 91.
2
Annual Book of ASTM Standards, Vol 14.03.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E 1129/E 1129M
TABLE 1 Dimensions
5.2.2 The insert materials of each plug and jack shall have
Minimum, Maximum, thermoelectric pr
...

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