Xenon lamp system for materials testing apparatus

Details Xenon lamp system for materials testing apparatus Xenon lamp system for materials testing apparatus

1994-07-26

1996-01-30

Pascal, Robert J.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

315291, 2504921, H01J 744

Patent

active

054882672

ABSTRACT:
An illumination system for weathering and fading resistance test instruments is provided with a pulse-driven xenon gas discharge lamp with an elongated discharge bulb that has an electrode spacing in the range from 10 to 50 cm; by adjusting the duty factor of the lamp current by means of an electronic control unit, a predetermined ratio between ultraviolet and infrared radiation is achieved; for the sake of light density, the lamp bulb is bent in a U.

REFERENCES:
patent: 3686940 (1972-08-01), Kockott
patent: 4747645 (1988-08-01), Rudzki
patent: 4884009 (1989-11-01), Rothwell
Jurgen Kiefer, Ultraviolette Strahlen, pub. 1977 by Walter de Gruyter Co., Berlin & New York, p. 95, table 3.12.
Heraes Original Hanau Division, Xenotest 1200 brochure No. D310561/3C 6.89/N.Ko, published Jun. 1989, 8 pages.

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