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ASTM E2181/E2181M-06

(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.
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
30-Apr-2006
ICS
29.060.20 - Cables
29.120.30 - Plugs, socket-outlets, couplers
Technical Committee
E20 - Temperature Measurement
Current Stage
Ref Project

Relations

Replaces
ASTM E2181/E2181M-01 - Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal Thermocouples and Thermocouple Cable
Effective Date
01-May-2006
Replaced By
ASTM E2181/E2181M-06e1 - 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
01-May-2006
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
01-May-2006
Referred By
ASTM E839-11(2016)e1 - Standard Test Methods for Sheathed Thermocouples and Sheathed Thermocouple Cable
Effective Date
01-May-2006
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
01-May-2006
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
01-May-2006
Referred By
ASTM E230/E230M-17 - Standard Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
Effective Date
01-May-2006

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ASTM E2181/E2181M-06 - Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal Thermocouples and Thermocouple CableASTM E2181/E2181M-06 - Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal Thermocouples and Thermocouple Cable
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ASTM E2181/E2181M-06 - 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 – 06
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.
2
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-
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
Tubes
metal thermocouples. This specification also establishes di-
A 269 Specification for Seamless and Welded Austenitic
mensional and material requirements for compacted, mineral-
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
vice
and testing requirements and also the optional supplementary
B 163 Specification for Seamless Nickel and Nickel Alloy
testing and quality assurance requirements.
Condenser and Heat-Exchanger Tubes
1.3 Provisions are made for selecting the type of noble
B 167 Specification for Nickel-Chromium-Iron Alloys
metal thermocouple or thermoelements, either magnesia
(UNS N06600, N06601, N06603, N06690, N06693,
(MgO) or alumina (Al O ) insulation, and a noble metal alloy
2 3
N06025, and N06045)* and Nickel-Chromium-Cobalt-
or other alternate heat-resistant sheath material. Provisions are
Molybdenum Alloy (UNS N06617) Seamless Pipe and
also made for selecting a thermocouple measuring junction
Tube
configuration and for a transition or termination.
B 516 Specification for Welded Nickel-Chromium-Iron Al-
1.4 The values stated in inch-pound units or SI (metric)
loy (UNS N06600, UNS N06603, UNS N06025, and UNS
unitsmayberegardedseparatelyasstandard.Thevaluesstated
N06045) Tubes
in each system are not the exact equivalents, and each system
E 165 Test Method for Liquid Penetrant Examination
shall be used independently of the other.
E 220 Test Method for Calibration of Thermocouples By
1.5 This standard does not purport to address all of the
Comparison Techniques
safety concerns, if any, associated with its use. It is the
E 230 Specification and Temperature-Electromotive Force
responsibility of the user of this standard to establish appro-
(EMF) Tables for Standardized Thermocouples
priate safety and health practices and determine the applica-
E 344 Terminology Relating to Thermometry and Hydrom-
bility of regulatory requirements prior to use.
etry
2. Referenced Documents
E 608/E 608M Specification for Mineral-Insulated, Metal-
Sheathed Base Metal Thermocouples
2.1 The following documents of the latest issue form a part
E 839 Test Methods for Sheathed Thermocouples and
of this specification to the extent specified herein. In the event
Sheathed Thermocouple Material
of a conflict between this specification and other specifications
E 1652 Specification for Magnesium Oxide and Aluminum
referenced herein, this specification shall take precedence.
Oxide Powder and Crushable Insulators Used in the
1
This specification is under the jurisdiction of ASTM Committee E20 on
2
Temperature Measurement and is the direct responsibility of Subcommittee E20.04 For referenced ASTM standards, visit the ASTM website, www.astm.org, or
on Thermocouples. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved May 1, 2006. Published May 2006. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 2001. Last previous edition approved in 2001 as E 2181/E 2181M – 01. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E 2181/E 2181M – 06
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
Thermocouples
manuf
...

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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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1.1 This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N10362, 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, UNS N06699, and UNS R305562 billets and bars for reforging.  
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