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GAUGE ZERO [9 records]

Record 1 2015-04-14

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
  • Aircraft Systems
DEF

The pressure reckoned from absolute zero pressure; or, commonly, gauge pressure plus the pressure of the atmosphere.

OBS

The true total pressure equal to the gauge pressure plus approximately 101.3 kPa.

OBS

Absolute pressure is expressed in units of force per unit of area, as pounds per square inch absolute (psia).

OBS

Gauge pressure and absolute pressure are related, absolute pressure being equal to gauge pressure plus atmospheric pressure.

OBS

Absolute pressure can be zero only in a perfect vacuum.

OBS

absolute pressure : term standardized by ISO.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
  • Circuits des aéronefs
DEF

Mesure de pression utilisant le vide absolu comme référence.

CONT

Il importe cependant de connaître la pression absolue [...] régnant dans une enceinte : elle est la somme pression relative [...] + pression atmosphérique [...]

OBS

pression absolue : terme normalisé par l'ISO.

OBS

pression absolue : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance.

Spanish

Save record 1

Record 2 2010-03-11

English

Subject field(s)
  • Measuring Instruments
  • Weather Stations and Meteorological Instruments and Equipment
CONT

Float-type gauges are essentially water level gauges. A float in the gauge receptacle rises as rain water enters the chamber, the rise of the float being recorded by a pen on a suitably calibrated, clock-driven chart. Some float gauges can only record to the capacity of the chamber, but others are equipped with siphoning arrangements to let out the water when the chamber fills and to return the pen to the zero position on the chart. The most serious difficulty with such gauges is in their operation at temperatures below freezing.

OBS

Two types of float gauges are in use. In one type the rain from the collector is led to a chamber in which a float is used to sense the water level (...). A much more versatile type is the storage gauge modified as a long-duration recorder.

French

Domaine(s)
  • Appareils de mesure
  • Stations, instruments et équipements météorologiques
CONT

La quantité d'eau contenue à chaque instant dans le récipient d'un pluviomètre peut être enregistrée de façon continue par l'emploi d'un flotteur dont le déplacement vertical est guidé et transmis à une plume frottant sur un tambour à axe vertical mû par un mouvement d'horlogerie : tel est le principe des pluviomètres à flotteur, dont il existe plusieurs modèles mais qui tous comportent un dispositif de vidange du récipient par siphonnement, cette vidange pouvant être opérée soit manuellement, soit automatiquement lorsque l'eau du récipient a atteint un certain niveau ou lorsque sa masse a atteint une certaine valeur.

Spanish

Save record 2

Record 3 2000-05-25

English

Subject field(s)
  • Gas and Oil Heating
DEF

Gas at atmospheric pressure(zero gauge pressure), usually supplied by a zero governor.

French

Domaine(s)
  • Chauffage au gaz et au mazout

Spanish

Save record 3

Record 4 2000-05-17

English

Subject field(s)
  • Cotton Industry
  • Textiles: Preparation and Processing
CONT

The gauge length or jaw spacing for cotton fiber bundle strength tests was a matter of speculation and research as early as 1926. At this time, the practice was to put the jaws in contact with each other, leaving no length of cotton fibers in a space; this was called a "zero gauge test". Both the Chandler Round Bundle test and the Pressley test adopted the zero gauge test.

French

Domaine(s)
  • Industrie cotonnière
  • Apprêt et traitements divers (Textiles)

Spanish

Save record 4

Record 5 1999-09-23

English

Subject field(s)
  • Hydrology and Hydrography
DEF

The elevation of the zero of the gauge to which the level of the liquid surface is related.

OBS

The gauge datum is related to a bench mark.

OBS

gauge datum: term standardized by ISO.

French

Domaine(s)
  • Hydrologie et hydrographie
DEF

Distance verticale entre le zéro de l'échelle et un repère de nivellement donné.

OBS

«niveau de référence» : terme normalisé par l'ISO.

Spanish

Campo(s) temático(s)
  • Hidrología e hidrografía
DEF

Distancia vertical entre el cero de una escala y un nivel dado de referencia.

Save record 5

Record 6 1999-09-23

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Hydrology and Hydrography
DEF

Elevation at which a water level gauge zero is set.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Hydrologie et hydrographie
DEF

Altitude à laquelle se trouve le zéro d'une échelle limnimétrique.

OBS

Le «zéro de l'échelle» est la graduation de l'échelle cotée zéro (origine des hauteurs).

Spanish

Campo(s) temático(s)
  • Medición y análisis (Ciencias)
  • Hidrología e hidrografía
DEF

Cota en la que se ha marcado el nivel cero de altura del agua.

Save record 6

Record 7 1994-05-16

English

Subject field(s)
  • Pumps
CONT

The compound vacuum gauge can also be used to determine the amount of suction in the line available for operating the air volume control. Most vacuum-operated AVC' s require a minimum of 5-6 in. Hg during pump operation and a zero or slight pressure reading when the pump is stopped.

French

Domaine(s)
  • Pompes
CONT

Le manovacuomètre sert également à déterminer si la dépression dans la canalisation est suffisante pour faire fonctionner le régulateur de volume d'air. La plupart des régulateurs de volume d'air par le vide requièrent une valeur minimum de 5 à 6 pouces Hg lorsque la pompe est en marche, et de zéro (0) ou proche de 0 lorsque la pompe est arrêtée.

Spanish

Save record 7

Record 8 1988-01-15

English

Subject field(s)
  • Measuring Instruments (Engineering)
  • Machine-Tooling (Metallurgy)
CONT

In the pressure type air gauge, air passes through a filter and regulator and is then divided into two channels. The air in the reference channel escapes to atmosphere through a zero setting valve. The air in the measuring channel escapes to atmosphere through the gauge head jets. The two channels are connected by an extremely accurate differential pressure meter. The master is placed over the gauging spindle and the zero setting valve is adjusted until the gauge needle indicates zero. Any deviation in the workpiece size from the master size changes the reading.

Key term(s)
  • pressure type air gage

French

Domaine(s)
  • Instruments de mesure (Ingénierie)
  • Usinage (Métallurgie)

Spanish

Save record 8

Record 9 1982-03-08

English

Subject field(s)
  • Facilities and Equipment (Wood Industries)
  • Construction Tools
OBS

1-Hp Router. 25, 000 rpm 100% ball-bearing motor. On/off switch with trigger lock in handle for continuous 2-hand control. Micrometer depth gauge, zero reset marked in graduations of 1/84". Cuts up to 1 1/2" deep. Chip shield.

French

Domaine(s)
  • Installations et équipement (Industr. du bois)
  • Outils (Construction)
OBS

Toupie 1 hp. 25 000 tr/mn. Roulements à billes. Interrupteur à détente et blocage sur poignée pour bonne prise par 2 mains. Jauge micrométrique de profondeur, remise à zéro, graduée en 1/84". Eclairage arrière. Déflecteur de copeaux.

Spanish

Save record 9

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