| 摘要 |
A lamp assembly for a controlled environment chamber comprises a frame, a plurality of fluorescent lamps supported on the frame and spaced apart from one another and a plurality of sleeves. Each sleeve is disposed about a respective fluorescent lamp at a distance therefrom to form a space between said sleeve and said respective fluorescent lamp, said sleeve being sealed about said respective fluorescent lamp to prevent air from outside said sleeve from reaching said respective fluorescent lamp. The sleeves are spaced apart to allow airflow therebetween. With the space between each sleeve and the respective lamp being fluidly isolated from air surrounding the sleeve, the light intensity output of the lamp is not as susceptible to reduction under temperature fluctuation in the chamber interior outside the sleeves, while said air remains free to flow between the lamps from one side of the lamp assembly to the other.
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