The advanced Spectroline^® Bi-O-Vision™ Series transilluminators feature two workstations, producing both 312nm ultraviolet and white light.

The TD-1000R model offers fixed-intensity while the TVD-1000R model offers variable-intensity control of either UV or white light. These units are continuously adjustable from 100% down to 50%. This enables life science researchers to select medium wavelength ultraviolet or white light illumination to view fluorescent gels or visible blots.

The UV-B (312nm) intensity of the TVD-1000R can be varied. This flexibility in irradiance control helps ensure the longest sample preparation time, while minimizing actual UV damage to the sample.

The Bi-O-Vision has two adjacent workstations, each with a filter area of 8 x 8" (20 x 20 cm). The UV side is lit by five 8-watt UV-B tubes and delivers nanogram sensitivity for detecting ethidium bromide-stained DNA or RNA. The white light side has three 8-watt fluorescent tubes that ensure excellent illumination for viewing Coomassie blue-stained protein gels, methylene blue-stained DNA gels and autoradiograms.

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