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- FEL_lamp abstract "The FEL lamp (less accurately called a light bulb) is an ANSI standard 1000 watt quartz halogen lamp with a G9.5 medium 2-pin base used in many stage and studio lights that costs around $12 and is available from a number of manufacturers including GE, Osram, Ushio, Eiko, and Philips. What sets this apart from other lamps used for similar purposes is that it almost literally sets the standard (more precisely, it is the means by which the standard is transmitted from one location to another). Specially seasoned and calibrated FEL lamps are used in laboratories as radiance and irradiance standards (related to luminance and illuminance) used to calibrate photometers, light meters, spectrophotometers and other laboratory instruments. For nine thousand dollars (and up), one can buy an FEL lamp from NIST that has been calibrated for light output, color temperature, and spectral energy distribution. NIST Traceable FEL lamps are available from commercial suppliers.Matching sockets for the G9.5 base include Sylvania TP22, TP220, Buhl Electric QEW-2, QEW-21, QEW-22, Bender + Wirth 968, Ushio: C-3, C-3(A). The calibration lamps are generally modified to use a larger bi-post base that fits into special kinematic mount sockets for precise optical alignment. Although the socket for calibration lamps is not polarized, polarity must be observed because the calibration lamps are normally run on DC and the lamp filament will recrystallize according to the applied DC polarity.".
- FEL_lamp wikiPageExternalLink V112.N01.A03.pdf.
- FEL_lamp wikiPageExternalLink Metrologia_1996.pdf.
- FEL_lamp wikiPageExternalLink specRadiFlux.html.
- FEL_lamp wikiPageExternalLink 39010C.
- FEL_lamp wikiPageExternalLink 1996%20Ohno%20(OSA%20handbook%20of%20applied%20photometry)%20Photometric%20standards.pdf.
- FEL_lamp wikiPageExternalLink index.shtml.
- FEL_lamp wikiPageExternalLink lxspot11.htm.
- FEL_lamp wikiPageID "17454549".
- FEL_lamp wikiPageLength "2883".
- FEL_lamp wikiPageOutDegree "27".
- FEL_lamp wikiPageRevisionID "644015382".
- FEL_lamp wikiPageWikiLink ANSI.
- FEL_lamp wikiPageWikiLink American_National_Standards_Institute.
- FEL_lamp wikiPageWikiLink Bi-pin_connector.
- FEL_lamp wikiPageWikiLink Buhl_Electric.
- FEL_lamp wikiPageWikiLink Category:Types_of_lamp.
- FEL_lamp wikiPageWikiLink Color_temperature.
- FEL_lamp wikiPageWikiLink Eiko_(Company).
- FEL_lamp wikiPageWikiLink Electrical_filament.
- FEL_lamp wikiPageWikiLink GE.
- FEL_lamp wikiPageWikiLink General_Electric.
- FEL_lamp wikiPageWikiLink Halogen_lamp.
- FEL_lamp wikiPageWikiLink Illuminance.
- FEL_lamp wikiPageWikiLink Incandescent_light_bulb.
- FEL_lamp wikiPageWikiLink Irradiance.
- FEL_lamp wikiPageWikiLink Kinematic_determinacy.
- FEL_lamp wikiPageWikiLink Lamp_(electrical_component).
- FEL_lamp wikiPageWikiLink Light_bulb.
- FEL_lamp wikiPageWikiLink Light_meter.
- FEL_lamp wikiPageWikiLink Luminance.
- FEL_lamp wikiPageWikiLink NIST.
- FEL_lamp wikiPageWikiLink NIST_Traceable.
- FEL_lamp wikiPageWikiLink National_Institute_of_Standards_and_Technology.
- FEL_lamp wikiPageWikiLink Osram.
- FEL_lamp wikiPageWikiLink Osram_Sylvania.
- FEL_lamp wikiPageWikiLink Philips.
- FEL_lamp wikiPageWikiLink Photometer.
- FEL_lamp wikiPageWikiLink Radiance.
- FEL_lamp wikiPageWikiLink Spectral_energy_distribution.
- FEL_lamp wikiPageWikiLink Spectrophotometer.
- FEL_lamp wikiPageWikiLink Spectrophotometry.
- FEL_lamp wikiPageWikiLink Ushio.
- FEL_lamp wikiPageWikiLinkText "FEL lamp".
- FEL_lamp wikiPageWikiLinkText "FEL".
- FEL_lamp hasPhotoCollection FEL_lamp.
- FEL_lamp subject Category:Types_of_lamp.
- FEL_lamp hypernym Lamp.
- FEL_lamp type Lighthouse.
- FEL_lamp type Application.
- FEL_lamp type Component.
- FEL_lamp type Lamp.
- FEL_lamp type Source.
- FEL_lamp comment "The FEL lamp (less accurately called a light bulb) is an ANSI standard 1000 watt quartz halogen lamp with a G9.5 medium 2-pin base used in many stage and studio lights that costs around $12 and is available from a number of manufacturers including GE, Osram, Ushio, Eiko, and Philips. What sets this apart from other lamps used for similar purposes is that it almost literally sets the standard (more precisely, it is the means by which the standard is transmitted from one location to another).".
- FEL_lamp label "FEL lamp".
- FEL_lamp sameAs m.0462nxv.
- FEL_lamp sameAs Q5425349.
- FEL_lamp sameAs Q5425349.
- FEL_lamp wasDerivedFrom FEL_lamp?oldid=644015382.
- FEL_lamp isPrimaryTopicOf FEL_lamp.