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ASTM E1137/E1137M-2008 工业用铂阻尼式温度计标准规范

ASTM E1137/E1137M-2008 工业用铂阻尼式温度计标准规范

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资料描述

【英文标准名称】: Standard Specification for Industrial Platinum Resistance Thermometers
【原文标准名称】: 工业用铂阻尼式温度计标准规范
【标准号】: ASTM E1137/E1137M-2008
【标准状态】: 现行
【国别】: 美国
【发布日期】: 2008
【实施或试行日期】:
【发布单位】: 美国材料与试验协会(US-ASTM)
【起草单位】: E20.03
【标准类型】: (Specification)
【标准水平】: ()
【中文主题词】:
【英文主题词】: ITS-90; metal sheath; platinum resistance thermometer; PRT
【摘要】: This specification is written to provide common terminology, resistance versus temperature characteristics, accuracy classification, and inspection requirements for a specified configuration of a typical industrial platinum resistance thermometer (PRT). This specification may be used as part of the documentation to support negotiations for the purchase and discussion of such thermometers.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 x00B0;C of 0.385 %/x00B0;C and nominal resistance at 0 x00B0;C of 100 x03A9; or other specified value. This specification covers PRT''s suitable for all or part of the temperature range x2212;200 to 650 x00B0;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). 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.
【中国标准分类号】: N11
【国际标准分类号】: 17_200_20
【页数】: 7P.;A4
【正文语种】: 英语

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