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ASTM E2181/E2181M-01

(Specification)

Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal Thermocouples and Thermocouple Cable

Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal Thermocouples and Thermocouple Cable

SCOPE
1.1 This specification establishes dimensional and material requirements for compacted, mineral-insulated, metal-sheathed, Type S (platinum-10 % rhodium versus platinum), Type R (platinum-13 % rhodium versus platinum), and Type B (platinum-30 % rhodium versus platinum-6 % rhodium) noble metal thermocouples. This specification also establishes dimensional and material requirements for compacted, mineral-insulated, metal-sheathed cable with at least one noble metal thermoelement pair.
1.2 This specification describes both the required processing and testing requirements and also the optional supplementary testing and quality assurance requirements.
1.3 Provisions are made for selecting the type of noble metal thermocouple or thermoelements, either magnesia (MgO) or alumina (Al 2O3) insulation, and a noble metal alloy or other alternate heat-resistant sheath material. Provisions are also made for selecting a thermocouple measuring junction configuration and for a transition or termination.
1.4 The values stated in inch-pound units or SI (metric) units may be regarded separately as standard. The values stated in each system are not the exact equivalents, and each system shall be used independently of the other.
1.5 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 requirements prior to use.

General Information

Status
Historical
Publication Date
09-Dec-2001
ICS
29.060.20 - Cables
29.120.30 - Plugs, socket-outlets, couplers
Technical Committee
E20 - Temperature Measurement
Current Stage
Ref Project

Relations

Replaced By
ASTM E2181/E2181M-06 - Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal Thermocouples and Thermocouple Cable
Effective Date
01-May-2006
Referred By
ASTM E2846-20 - Standard Guide for Thermocouple Verification
Effective Date
10-Dec-2001
Referred By
ASTM E780-17(2021) - Standard Test Method for Measuring the Insulation Resistance of Mineral-Insulated, Metal-Sheathed Thermocouples and Mineral-Insulated, Metal-Sheathed Cable at Room Temperature
Effective Date
10-Dec-2001
Referred By
ASTM E839-11(2016)e1 - Standard Test Methods for Sheathed Thermocouples and Sheathed Thermocouple Cable
Effective Date
10-Dec-2001
Referred By
ASTM E1350-18(2023) - Standard Guide for Testing Sheathed Thermocouples, Thermocouple Assemblies, and Connecting Wires Prior to, and After Installation or Service
Effective Date
10-Dec-2001
Referred By
ASTM E230/E230M-17 - Standard Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
Effective Date
10-Dec-2001
Referred By
ASTM E1652-21 - Standard Specification for Magnesium Oxide and Aluminum Oxide Powder and Crushable Insulators Used in the Manufacture of Base Metal Thermocouples, Metal-Sheathed Platinum Resistance Thermometers, and Noble Metal Thermocouples
Effective Date
10-Dec-2001

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ASTM E2181/E2181M-01 - Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal Thermocouples and Thermocouple CableASTM E2181/E2181M-01 - Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal Thermocouples and Thermocouple Cable
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ASTM E2181/E2181M-01 - Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal Thermocouples and Thermocouple Cable
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Standards Content (Sample)

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 2181/E 2181M – 01
Standard Specification for
Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal
1
Thermocouples and Thermocouple Cable
This standard is issued under the fixed designation E 2181/E 2181M; 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 2.2 ASTM Standards:
A 213/A 213M Specification for Seamless Ferritic andAus-
1.1 This specification establishes dimensional and material
tenitic Alloy-Steel Boiler, Superheater, and Heat-
requirements for compacted, mineral-insulated, metal-
2
Exchanger Tubes
sheathed, Type S (platinum-10 % rhodium versus platinum),
A 249/A 249M Specification for Welded Austenitic Steel
Type R (platinum-13 % rhodium versus platinum), and Type B
Boiler, Superheater, Heat-Exchanger, and Condenser
(platinum-30 % rhodium versus platinum-6 % rhodium) noble
2
Tubes
metal thermocouples. This specification also establishes di-
A 269 Specification for Seamless and Welded Austenitic
mensional and material requirements for compacted, mineral-
2
Stainless Steel Tubing for General Service
insulated, metal-sheathed cable with at least one noble metal
A 632 Specification for Seamless and Welded Austenitic
thermoelement pair.
Stainless Steel Tubing (Small-Diameter) for General Ser-
1.2 Thisspecificationdescribesboththerequiredprocessing
2
vice
and testing requirements and also the optional supplementary
B 163 Specification for Seamless Nickel and Nickel Alloy
testing and quality assurance requirements.
3
Condenser and Heat-Exchanger Tubes
1.3 Provisions are made for selecting the type of noble
B 167 Specification for Nickel-Chromium-IronAlloy (UNS
metal thermocouple or thermoelements, either magnesia
3
N06600, N06601, and N06690) Seamless Pipe and Tube
(MgO) or alumina (Al O ) insulation, and a noble metal alloy
2 3
B 516 Specification for Welded Nickel-Chromium-Iron Al-
or other alternate heat-resistant sheath material. Provisions are
loy (UNS N06600, UNS N06603, UNS N06025, and UNS
also made for selecting a thermocouple measuring junction
3
N06045) Tubes
configuration and for a transition or termination.
4
E 165 Test Method for Liquid Penetrant Examination
1.4 The values stated in inch-pound units or SI (metric)
E 220 Method for Calibration of Thermocouples by Com-
units may be regarded separately as standard.The values stated
5
parison Techniques
in each system are not the exact equivalents, and each system
E 230 Specification for Temperature—Electromotive Force
shall be used independently of the other.
5
(EMF) Tables for Standardized Thermocouples
1.5 This standard does not purport to address all of the
E 344 Terminology Relating to Thermometry and Hydrom-
safety concerns, if any, associated with its use. It is the
5
etry
responsibility of the user of this standard to establish appro-
E 608/E 608M Specification for Mineral-Insulated, Metal-
priate safety and health practices and determine the applica-
5
Sheathed Base Metal Thermocouples
bility of regulatory requirements prior to use.
E 839 Test Methods for Sheathed Thermocouples and
5
2. Referenced Documents
Sheathed Thermocouple Material
E 1652 Specification for Magnesium Oxide and Aluminum
2.1 The following documents of the latest issue form a part
Oxide Powder and Crushable Insulators Used in the
of this specification to the extent specified herein. In the event
of a conflict between this specification and other specifications
referenced herein, this specification shall take precedence.
1 2
This specification is under the jurisdiction of ASTM Committee E20 on Annual Book of ASTM Standards, Vol 01.01.
3
Temperature Measurement and is the direct responsibility of Subcommittee E20.04 Annual Book of ASTM Standards, Vol 02.04.
4
on Thermocouples. Annual Book of ASTM Standards, Vol 03.03.
5
Current edition approved Dec. 10, 2001. Published February 2002. 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 2181/E 2181M
FIG. 2 Examples of Alternating Configurations
FIG. 1 Examples of Adjacent Configurations
Manufacture of Metal-Sheathed Platinum ResistanceTher-
3.2.5 lot, n—quantity of finished mineral-insulated, metal-
mometers, Base Metal Thermocouples, and Noble Metal
sheathed thermocouples, or length of thermocouple cable
5
Thermocouples
manufactured from tubing from the same heat, wire from the
E 1751 Guide for Temperature-Electromotive Force (EMF)
same spool and heat, and insulation from the same batch, then
Tables for Non-Letter Designated Thermocouple Combi
...

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This specification establishes the requirements for materials and manufacturing, dimensions, inspection and testing, and processing of compacted, mineral-insulated, metal-sheathed Type S (platinum-10 % rhodium versus platinum), Type R (platinum-13 % rhodium versus platinum), and Type B (platinum-30 % rhodium versus platinum-6 % rhodium) noble metal thermocouples, and thermocouple cables with at least one noble metal thermoelement pair. This specification describes both the required processing and testing requirements, and also the optional supplementary testing and quality assurance requirements. Additionally, provisions are made herein for selecting the type of noble metal thermocouple or thermoelements, either magnesia (MgO) or alumina (Al2O3) insulation, and a noble metal alloy or other alternate heat-resistant sheath material. Provisions are also made for selecting a thermocouple measuring junction style and for a transition or termination.
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1.1 This test method covers the determination of the amount of draindown in an uncompacted asphalt mixture sample when the sample is held at elevated temperatures comparable to those encountered during the production, storage, transport, and placement of the mixture. The test is particularly applicable to mixtures such as porous asphalt (open-graded friction course) and stone matrix asphalt (SMA).  
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This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, and UNS R30556 nickel alloy billets and bars for reforging. The products shall be hot worked from ingots by rolling, forging, extruding, hammering, or pressing. The material shall conform to the chemical composition requirements prescribed by the reference material. The chemical composition of the material shall be determined by chemical analysis in accordance with test method E1473.
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