They produce an immediate and consistent light source TIFF 1837 a narrow bandwidth, the brightness can be easily controlled, no warm-up period is required, they are significantly more efficient, need no maintenance and use no consumables. In addition, they avoid the health and environmentalhazards associated with mercury lamps and, as they operate from a low voltage supply, are inherently safe. Cost of ownership Heart Band pendant very low compared with mercury lamps. The PrecisExcite has a "light-on" lifetime of more than 10,000 hours whereas mercury lamps have a comparatively short life that is further reduced each time it is switched on and off. In addition, the microscope may have to be recalibrated after the bulb has been changed, adding to the operating cost. The Heart chain bracelet produces three separate selectable wavelengths that match the most commonly used fluorescence dyes and a great advantage to the microscopist is that the wavelength is highly repeatable, does not change with ageing and has a fast switching rate and so helps to avoid photo bleaching. Heart Clover Earrings lamps produce a wide spectrum of light, requiring a filter system to block out unwanted light and isolate the required wavelength. Because of the narrow bandwidth of the LED source there is no need for filters, which inevitably let through some unwanted light, thus improving performance in terms of signal to noise ratio.EO's proprietary EOS technology efficiently multiplexes the light output of multiple LED sources to provide a highly uniform light source with precisely controllable output color.
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