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- ISO_1 abstract "ISO 1 is an international standard that specifies the standard reference temperature for geometrical product specification and verification. The temperature is fixed at 20 °C, which is equal to 293.15 kelvins and 68 degrees Fahrenheit.Due to thermal expansion, precision length measurements need to be made at (or converted to) a defined temperature. ISO 1 helps in comparing measurements by defining such a reference temperature. The reference temperature of 20 °C was adopted by the CIPM on 15 April 1931, and became ISO recommendation number 1 in 1951. It soon replaced worldwide other reference temperatures for length measurements that manufacturers of precision equipment had used before, including 0 °C, 62 °F, and 25 °C. Among the reasons for choosing 20 °C was that this was a comfortable and practical workshop temperature and that it resulted in an integer value on both the Celsius and Fahrenheit scales.".
- ISO_1 wikiPageID "14949437".
- ISO_1 wikiPageLength "1865".
- ISO_1 wikiPageOutDegree "13".
- ISO_1 wikiPageRevisionID "652913744".
- ISO_1 wikiPageWikiLink CIPM.
- ISO_1 wikiPageWikiLink Category:ISO_standards.
- ISO_1 wikiPageWikiLink Category:Quality_control.
- ISO_1 wikiPageWikiLink Category:Temperature.
- ISO_1 wikiPageWikiLink Celsius.
- ISO_1 wikiPageWikiLink Degrees_Fahrenheit.
- ISO_1 wikiPageWikiLink Fahrenheit.
- ISO_1 wikiPageWikiLink Geometric_dimensioning_and_tolerancing.
- ISO_1 wikiPageWikiLink Geometrical_product_specification.
- ISO_1 wikiPageWikiLink International_Committee_for_Weights_and_Measures.
- ISO_1 wikiPageWikiLink International_standard.
- ISO_1 wikiPageWikiLink Kelvin.
- ISO_1 wikiPageWikiLink Kelvins.
- ISO_1 wikiPageWikiLink Length.
- ISO_1 wikiPageWikiLink Metre.
- ISO_1 wikiPageWikiLink Standard_conditions_for_temperature_and_pressure.
- ISO_1 wikiPageWikiLink Standard_reference_temperature.
- ISO_1 wikiPageWikiLink Thermal_expansion.
- ISO_1 wikiPageWikiLinkText "ISO 1".
- ISO_1 hasPhotoCollection ISO_1.
- ISO_1 wikiPageUsesTemplate Template:ISO_standards.
- ISO_1 wikiPageUsesTemplate Template:Refimprove.
- ISO_1 wikiPageUsesTemplate Template:Reflist.
- ISO_1 wikiPageUsesTemplate Template:Use_British_(Oxford)_English.
- ISO_1 subject Category:ISO_standards.
- ISO_1 subject Category:Quality_control.
- ISO_1 subject Category:Temperature.
- ISO_1 hypernym Standard.
- ISO_1 type Article.
- ISO_1 type Type.
- ISO_1 type Work.
- ISO_1 type Article.
- ISO_1 type Field.
- ISO_1 type Property.
- ISO_1 type Quantity.
- ISO_1 type Thermodynamic.
- ISO_1 type Type.
- ISO_1 comment "ISO 1 is an international standard that specifies the standard reference temperature for geometrical product specification and verification. The temperature is fixed at 20 °C, which is equal to 293.15 kelvins and 68 degrees Fahrenheit.Due to thermal expansion, precision length measurements need to be made at (or converted to) a defined temperature. ISO 1 helps in comparing measurements by defining such a reference temperature.".
- ISO_1 label "ISO 1".
- ISO_1 sameAs أيزو_1.
- ISO_1 sameAs ISO_1.
- ISO_1 sameAs ISO_1.
- ISO_1 sameAs ISO_1.
- ISO_1 sameAs ISO_1.
- ISO_1 sameAs ISO_1.
- ISO_1 sameAs ISO_1.
- ISO_1 sameAs m.03h2t41.
- ISO_1 sameAs ISO_1.
- ISO_1 sameAs ISO_1.
- ISO_1 sameAs Q2457552.
- ISO_1 sameAs Q2457552.
- ISO_1 sameAs ISO_1.
- ISO_1 sameAs ISO_1.
- ISO_1 wasDerivedFrom ISO_1?oldid=652913744.
- ISO_1 isPrimaryTopicOf ISO_1.