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ASTM E 2820 : 2013 : R2019

Current
Current

The latest, up-to-date edition.

Standard Test Method for Evaluating Thermal EMF Properties of Base-Metal Thermocouple Connectors
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

07-05-2019

This standard describes a thermal emf test method for base-metal thermocouple connectors including Types E, J, K, N, and T.

1.1This standard describes a thermal emf test method for base-metal thermocouple connectors including Types E, J, K, N, and T. Standard connectors such as found in Specifications E1129/E1129M and E1684/E1684M as well as non-standard connector configurations and connector components can be evaluated using this method.

1.2The measured emf is reported as an equivalent temperature deviation or error relative to a reference thermocouple of the same type. This method can be used to verify deviations introduced by the connector greater than or equal to 1°C.

1.3The connector is tested with thermocouple contacts axially aligned with a temperature gradient using a specified thermal boundary condition. The actual temperature difference developed across the connector and corresponding error will depend on the connector design.

1.4Connector contacts are often fabricated from raw materials having temperature-emf relationships in accordance with Specification E230/E230M. However, verifying Specification E230/E230M tolerances is not within the scope of this method.

1.5The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6This 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.

1.7This 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.

Committee
E 20
DocumentType
Test Method
Pages
6
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM E 1129/E1129M : 2019 Standard Specification for Thermocouple Connectors
ASTM E 1684/E1684M : 2015 Standard Specification for Miniature Thermocouple Connectors
ASTM E 1129/E1129M : 2015 Standard Specification for Thermocouple Connectors

ASTM E 563 : 1997 Standard Practice for Preparation and Use of an Ice-Point Bath as a Reference Temperature
ASTM E 344 : 2020 Terminology Relating to Thermometry and Hydrometry
ASTM E 230/E230M : 2017 Standard Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
ASTM E 220 : 2019 Standard Test Method for Calibration of Thermocouples By Comparison Techniques
ASTM E 344 : 2023 Terminology Relating to Thermometry and Hydrometry
ASTM E 1129/E1129M : 1998 Standard Specification for Thermocouple Connectors
ASTM E 2488 : 2009 Standard Guide for the Preparation and Evaluation of Liquid Baths Used for Temperature Calibration by Comparison
ASTM E 344 : 2018 Terminology Relating to Thermometry and Hydrometry
ASTM E 2488 : 2009 : R2014 Standard Guide for the Preparation and Evaluation of Liquid Baths Used for Temperature Calibration by Comparison
ASTM E 230/E230M : 2023 Standard Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
ASTM E 344 : 2001 : REV A Terminology Relating to Thermometry and Hydrometry
ASTM E 563 : 2022 Standard Practice for Preparation and Use of an Ice-Point Bath as a Reference Temperature
ASTM E 230/E230M : 2023 : REV A Standard Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
ASTM E 563 : 2011 : R2016 Standard Practice for Preparation and Use of an Ice-Point Bath as a Reference Temperature
ASTM E 1684/E1684M : 2019 Standard Specification for Miniature Thermocouple Connectors
ASTM E 2488 : 2022 Standard Guide for the Preparation and Evaluation of Liquid Baths Used for Temperature Calibration by Comparison

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