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Standard [CURRENT]

DIN EN 60584-1 Berichtigung 1:2015-08

Thermocouples - Part 1: EMF specifications and tolerances (IEC 60584-1:2013); German version EN 60584-1:2013, Corrigendum to DIN EN 60584-1:2014-07

German title
Thermoelemente - Teil 1: Thermospannungen und Grenzabweichungen (IEC 60584-1:2013); Deutsche Fassung EN 60584-1:2013, Berichtigung zu DIN EN 60584-1:2014-07
Publication date
2015-08
Original language
German
Pages
2

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Publication date
2015-08
Original language
German
Pages
2
DOI
https://dx.doi.org/10.31030/2337267

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Overview

This International Standard relates the electromotive force (hereafter abbreviated as EMF) generated by the designated thermocouple types to temperature, based upon the international Temperature Scale of 1990 (ITS-90). The reference polynomials for Types R, S, B, J, T, E, K and N are those used in the previous edition of the standard, IEC 60584-1:1995. They were originally published by the National Institute of Standards and Technology (NIST) of the USA and published in NIST Monograph 175:1993. The major revision of this version is standardization of two kinds of tungsten-rhenium thermocouple, designated Type C and Type A. Both of them have been used in industry for a long time. Temperature versus EMF relationships for these types correspond to the values given in the International Standards GOST R 8.585-2001 (Type A) and ASTM E 230/E230-M12 (Type C). This new edition merges two parts of the former IEC 60584 standard series and supersedes them after publication: IEC 60584-1:1995 (Part 1 "Reference tables") and IEC 60584-2:1982 (Part 2 "Tolerances"). IEC 60584-3:2007 (Part 3 "Extension and compensating cables - Tolerances and identification systems") is not affected by the revision. The reference functions are polynomials which express the EMF (electromotive force) as a function of temperature in °C with the thermocouple reference junctions at 0 °C. Values of EMF at intervals of 1 °C are tabulated in Annex A. For convenience of calculating temperatures, inverse functions are given in Annex B which express temperature as functions of EMF within stated accuracies. This International Standard specifies the tolerances for thermocouples manufactured in accordance with this standard. The tolerance values are for thermocouples manufactured from wires, normally in the diameter range 0,13 mm to 3,2 mm, as delivered to the user and do not allow for calibration drift during use. The amendment concerns Table 2, Table 5 and Table B.7. The responsible committee is K 961 "Elektrische Messwertaufnehmer und Messgrößenumformer" ("Electrical measurement sensors and transducers") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.

ICS
17.200.20
DOI
https://dx.doi.org/10.31030/2337267

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