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phototube

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Terminological databases

Metroloogia terminibaas

ID 619088 Last modified 26.12.2023
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Domain metrologymeasuring instrumentssensors & actuators
  • fotoelektriline tundlik element, mis kasutab mõõtmiseks optilise kiirguse põhjustatud elektronide emissiooni
  • photoelectric detector that utilizes for measurement the emission of electrons caused by optical radiation
  • gas-filled or vacuum tube that is sensitive to light
fotoemissioontajur preferred
Usage examples
  • Fotoemissioontajureid kasutati varem laialdasemalt, kuid nüüd on need paljudes rakendustes asendatud tahkis-fotodetektoritega.
fotoemissioonandur former
phototube preferred
Usage examples
  • Phototubes were previously more widely used but are now replaced in many applications by solid state photodetectors.
photocell
light-dependent resistor variant
LDR variant abbreviation

Metroloogia terminibaas

ID 628208 Last modified 24.12.2023
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Domain metrologysensors & actuators
  • fotoelement, mis koosneb kahest elektroodist, vaakumtorus asetsevast suurest metallist emitteri alast ja kollektorist - koos vaakumtorus
  • photocell that consists of two electrodes - a large area of metal emitter, and a collector - together in a vacuum tube
vaakumfotoelement preferred
Usage examples
  • Vaakumfotoelementi saab kasutada eraldunud elektronide kineetilise energia mõõtmiseks ning Plancki konstandi ja metalli tööfunktsiooni tuletamiseks.
lampfotoelement
fotorakk
vacuum photocell preferred
Usage examples
  • Vacuum photocell can be used to measure the kinetic energy of emitted electrons, and deduce Planck's constant and the work function of the metal.
phototube

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