ASTM E1137/E1137M - 08(2014) - Standard Specification for Industrial Platinum Resistance Thermometers

ASTM E1137/E1137M - 08(2014)

Standard Specification for Industrial Platinum Resistance Thermometers

Status : Current   Published : January 2014



1.1 This specification covers the requirements for metal-sheathed industrial platinum resistance thermometers (PRT's) suitable for direct immersion temperature measurement. It applies to PRT's with an average temperature coefficient of resistance between 0 and 100°C of 0.385 %/°C and nominal resistance at 0°C of 100 Ω or other specified value. This specification covers PRT's suitable for all or part of the temperature range −200 to 650°C. The resistance-temperature relationship and tolerances are specified as well as physical, performance, and testing requirements.

1.2 The values of temperature in this specification are based on the International Temperature Scale of 1990 (ITS-90). 2

1.3 The values stated in inch-pound units or SI (metric) units may be regarded separately as standard. The values stated in each system are not exact equivalents, and each system shall be independent of the other.

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.

Standard NumberASTM E1137/E1137M - 08(2014)
TitleStandard Specification for Industrial Platinum Resistance Thermometers
Publication Date12 January 2014
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors ITS-90, Metal sheath, Platinum resistance thermometer, PRT
File Size3.981 MB

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