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TORR [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2014-02-07

English

Subject field(s)
  • Metrology and Units of Measure
  • Fluid Mechanics and Hydraulics (Physics)
DEF

A unit of pressure used in vacuum technology.

OBS

[A torr] is equal to 1/760 standard atmosphere pressure (very closely, 1 millimetre of mercury, or 133.322 newtons per square metre).

French

Domaine(s)
  • Unités de mesure et métrologie
  • Mécanique des fluides et hydraulique (Physique)
DEF

Unité auxiliaire pour l'évaluation des faibles pressions : c'est la pression d'une colonne de mercure de 1 mm de haut, l'accélération de la pesanteur ayant sa valeur «normale».

OBS

1 torr = 133,3 N/m² (pascals) = 1,316.10-3 atm.

OBS

1 torr + 1/760 atm + 1 333 baryes.

Spanish

Campo(s) temático(s)
  • Metrología y unidades de medida
  • Mecánica de fluidos e hidráulica (Física)
DEF

Unidad de presión equivalente a la presión de un milímetro de mercurio, o sea a 0,75 bares.

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