Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM E220-86(1996)e1

Standard Test Method for Calibration of Thermocouples By Comparison Techniques

Standard Test Method for Calibration of Thermocouples By Comparison Techniques E0220-86R96E01 ASTM|E0220-86R96E01|en-US Standard Test Method for Calibration of Thermocouples By Comparison Techniques Standard new BOS Vol. 14.03 Committee E20
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Scope

1.1 This test method covers the techniques of thermocouple calibration based upon comparisons of thermocouple indications with those of a reference thermometer, different from methods involving the use of fixed points. The precise evaluation of the electromotive force (emf)-temperature relation of a thermocouple is accomplished by determining its emf output at each of a series of measured temperatures. Calibrations are covered over temperature ranges appropriate to the individual types of thermocouples within an over-all range from about -180 to 1700°C (-290 to 2660°F).

1.2 In general, the test method is applicable to bare wire thermocouples or sheathed thermocouples. The latter may require special care to control thermal conduction losses.

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Details
Book of Standards Volume: 14.03
Developed by Subcommittee: E20.04
Pages: 12
DOI: 10.1520/E0220-86R96E01
ICS Code: 17.200.20