ASTM-E2820 2011

$40.63

E2820-11 Standard Test Method for Evaluating Thermal EMF Properties of Base-Metal Thermocouple Connectors

Published By	Publication Date	Number of Pages
ASTM	2011	6

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Categories: 17.200.20 - Temperature-measuring instruments, ASTM

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Description

ASTM E2820-11

Historical Standard: Standard Test Method for Evaluating Thermal EMF Properties of Base-Metal Thermocouple Connectors

ASTM E2820

Scope

1.1 This 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 as well as non-standard connector configurations and connector components can be evaluated using this method.

1.2 The 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.

1.3 The 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.

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

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

1.6 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.

Keywords

connector emf; thermocouple connector; thermocouple contact; thermocouple pin; thermocouple socket; thermocouple terminal

ICS Code

ICS Number Code 17.200.20 (Temperature-measuring instruments)

DOI: 10.1520/E2820-11

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	Apparatus Hazards Preparation of Apparatus FIG. 1
3	Procedure FIG. 2
4	Calculation and Interpretation of Results FIG. 3 TABLE 1
5	Report Precision and Bias Keywords
6	X1. SEEBECK COEFFICIENT CALCULATION X1.1 X1.2 FIG. 4

Additional information

Standard Title	E2820-11 Standard Test Method for Evaluating Thermal EMF Properties of Base-Metal Thermocouple Connectors
Published Code	ASTM
Publication Date	2011
Pages Count	6
ICS Codes	17.200.20 - Temperature-measuring instruments