Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM E1350-97(2001)

Standard Guide for Testing Sheathed Thermocouples Prior to, During, and After Installation

Standard Guide for Testing Sheathed Thermocouples Prior to, During, and After Installation E1350-97R01 ASTM|E1350-97R01|en-US Standard Guide for Testing Sheathed Thermocouples Prior to, During, and After Installation Standard new BOS Vol. 14.03 Committee E20
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Scope

1.1 This guide covers methods for users to test metal sheathed thermocouple assemblies, including the extension wires, just prior to, during, and after installation.

1.2 The tests are intended to ensure that the thermocouple assemblies have not been damaged during storage or installation, to ensure that the extension wires have been attached to connectors and terminals with the correct polarity, and to provide benchmark data for later reference when testing to assess possible damage of the thermocouple assembly after operation. They are not, generally, applicable to thermocouples that have been exposed to temperatures higher than the recommended limits for the particular type.

1.3 The tests described herein include methods to measure the following variables of installed sheathed thermocouple assemblies and to provide benchmark data for determining if the thermocouple assembly is subsequently damaged in operation:

1.3.1 Loop Resistance:

1.3.1.1 Thermoelements,

1.3.1.2 Combined extension wires and the thermoelements,

1.3.2 Insulation Resistance:

1.3.2.1 Insulation, thermocouple assembly,

1.3.2.2 Insulation, thermocouple assembly and extension wires.

1.3.3 Seebeck Voltage:

1.3.3.1 Thermoelements,

1.3.3.2 Combined extension wires and thermocouple assembly.

1.4 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.

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Details
Book of Standards Volume: 14.03
Developed by Subcommittee: E20.04
Pages: 6
DOI: 10.1520/E1350-97R01
ICS Code: 17.200.20