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Gemmological

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Fibre optic light, twin guides           Fiber Optic Illuminator     Cold light source H-150 with twin light guides Technical Datas Input:AC110V/60Hz 230V/50Hz Bulb:halogen lamp       OSRAM/PHILIP 21V 150W       Color temperature:Filters can be   selected  (3000-6500K)           Function:continuous light adjustment is obtainable Dimension: L220×W193×H112mm          The H-series cold light source of optical fiber is powered by a switching power supply with a small volume, light-weight, high efficiency      and stable output voltage thus making the halogen lamp work stable and guarantee a long life-span.      The slow- start measure is adopted to protect the halogen lamp and the power supply itself.            When a  power failure occurs, the cold light source enters a self-protection state,  so as to avoid various safety problems.      Filters are disposed to easily obtain the lights with different color temperatures,  and the color temperatures of output light can be raised to 6500k.       High-speed fans and reasonable air passages and the heat-insulation design can be used to discharge the hot air from the frame       such that the external surface of the cold light source is always at a relative low temperature.            G