ASTM-E988 › Standard Temperature-Electromotive Force (EMF) Tables for Tungsten-Rhenium Thermocouples (Withdrawn 2011)
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Scope
1.1 This standard consists of reference tables that give temperature-electromotive force (emf) relationships for 97% Tungsten 3% Rhenium versus 75% Tungsten 25% Rhenium and 95% Tungsten 5% Rhenium versus 74% Tungsten 26% Rhenium thermocouples. These are the refractory metal thermocouple types most commonly used in industry.
1.2 Also included is a list (Table 1) of initial calibration tolerances for the thermocouple types referred to in 1.1, and their respective compensating extension wires (Table 2).
1.3 These data are intended for industrial and laboratory use.
Keywords
emf; rhenium; thermocouple; tungsten; ICS Number Code 17.200.20 (Temperature-measuring instruments)
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14.03 (Temperature Measurement)
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Document Number
ASTM-E988-96(2002)
Revision Level
1996 R02 EDITION
Status
Cancelled
Modification Type
Withdrawn
Publication Date
Sept. 10, 1996
Document Type
Specification
Page Count
32 pages
Committee Number
E20.04