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Standard Test Methods for Testing Sheathed Thermocouples Prior to, During, and After Installation
Automaticky preložený názov:
Štandardné testovacie metódy pre testovanie opláštené termočlánky pred , počas a po inštalácii
NORMA vydaná dňa 10.4.1997
Označenie normy: ASTM E1350-97
Poznámka: NEPLATNÁ
Dátum vydania normy: 10.4.1997
Kód tovaru: NS-41431
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
sheathed thermocouples, thermocouple installation, thermocouple testing, thermocouples
1. 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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2. Referenced Documents | ||||||||||||||||||
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