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ASTM E601

Standard Test Method for Comparing EMF Stability of Single-Element Base-Metal Thermocouple Materials in Air

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Organization: ASTM
Publication Date: 27 November 1981
Status: inactive
Page Count: 7
ICS Code (Temperature-measuring instruments): 17.200.20
scope:

1. Scope

1.1 This test method provides comparison of emf stability of single-element base-metal thermocouple materials in air referenced to platinum at specified constant elevated temperatures.

1.2 Since the useful life of a thermocouple depends on the stability of the emf generated at given temperatures for a required time period, the method includes emf drift measurements with time. The emf is measured against platinum, which may be the platinum leg of the platinum-rhodium/platinum reference thermocouple used to indicate the temperature at the time of taking the emf readings, or an additional platinum reference.

1.3 The total life is included as added information, if required.

NOTE 1--Some thermoelements may show insignificant emf drift while undergoing relatively rapid oxidation. In these cases, failure of the thermoelement may be indicated only by open circuit.

NOTE 2--See ASTM STP470B for recommended upper temperature limits in air.

1.4 This standard does not purport to address all of the safety concerns, is 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.

Document History

November 1, 2020
Standard Guide for Measuring Electromotive Force (EMF) Stability of Base-Metal Thermoelement Materials With Time in Air
This guide provides a method for measuring the emf stability of base-metal thermoelement materials in air referenced to platinum at specified constant elevated temperatures using dual, simultaneous,...
May 1, 2015
Standard Guide for Measuring Electromotive Force (emf) Stability of Base-Metal Thermoelement Materials with Time in Air
This guide provides a method for measuring the emf stability of base-metal thermoelement materials in air referenced to platinum at specified constant elevated temperatures using dual, simultaneous,...
November 1, 2007
Standard Test Method for Measuring Electromotive Force (emf) Stability of Base-Metal Thermoelement Materials with Time in Air
This test method measures emf stability of base-metal thermoelement materials in air referenced to platinum at specified constant elevated temperatures using dual, simultaneous, emf indicators, or...
November 1, 2007
Standard Test Method for Measuring Electromotive Force (emf) Stability of Base-Metal Thermoelement Materials with Time in Air
This test method measures emf stability of base-metal thermoelement materials in air referenced to platinum at specified constant elevated temperatures using dual, simultaneous, emf indicators, or...
May 1, 2007
Standard Test Method for Measuring Electromotive Force (emf) Stability of Base-Metal Thermoelement Materials with Time in Air
This test method measures emf stability of base-metal thermoelement materials in air referenced to platinum at specified constant elevated temperatures using dual, simultaneous, emf indicators, or...
May 1, 2007
Standard Test Method for Measuring Electromotive Force (emf) Stability of Base-Metal Thermoelement Materials with Time in Air
This test method measures emf stability of base-metal thermoelement materials in air referenced to platinum at specified constant elevated temperatures using dual, simultaneous, emf indicators, or...
ASTM E601
November 27, 1981
Standard Test Method for Comparing EMF Stability of Single-Element Base-Metal Thermocouple Materials in Air
1. Scope 1.1 This test method provides comparison of emf stability of single-element base-metal thermocouple materials in air referenced to platinum at specified constant elevated temperatures. 1.2...
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