Product Description Key FeaturesExceeds the brightness
of 100W Mercury LampCool lightInstant ON/OFF. No warm-up or
cool-down requiredAdjust light outputEasy installation
Product Parameters Wavelength Range: 350-780nm External
Power Supply: Universal input 110-240V, 50/60HzRelated
Fluorescence: DAPI, GFP/FITC, Texas Red, Cy3Sample LED FWHM:
454/24.8nm 523/36nm 368/16nm Power Consumption:
40WDimensions HEAD: 142×95×85mm (L×W×H)Dimensions TOUCH PAD:
130×126×20mm (L×W×H)LED ON/OFF Response Time: 1msI/O Connector:
PS/2Control method: RS-232LED Life Time: 30000
hours
BANDSBANDSCHANNELPOWER(mW)DAPIV330-38035FITCHB450-49065TRITCG510-55050
Installation Instructions All mercury arc lamps used a common
heat absorbing filter from Schott…the KG1. Further, all Ploem
illuminators (still today) used a RED absorbing filter, again
from Schott, the BG-38 blue glass. These two filters are
normally removed from the light path when one is working in
the near UV range using filter block 400nm. I have measured
the temperature of the illumination beam of the HBO 100W bulb
using an analog "meat thermometer" with probe tip. I have measured
the temperature of the collimated beam immediately after the
KG1 heat filter and recorded temperatures in the range from
85-95F depending on placement position. I then measured the
temperature down on the stage of the microscope with both the
BG-38 and filter cube in position (no objective lens). Filters
cubes used were the H (Blue light 510 block) and N(Green light
580 block). I found that the temperature range on the surface
of the microscope stage where the slide would be placed was
only a few degrees above room temperature. The KG1 and BG38
filters along with the combined exciter filter and emission
(barrier) filters and filter blocks (dichroic beam splitters)
were doing their job nicely. One problem encountered by
those doing epifluorescence microscopy using the arc lamp is
"quenching" of the fluorescent dye (fluorochrome). "Fading" of
the emitted light during exposure became somewhat of a
problem. Certain "antifade" tricks applied during sample prep
became a useful solution to some extent. Certainly the
advantage of using LED as an alternative to mercury arc lamps
is now realized. One turns on the LED (optimized for the four
dichroic blocks 400, 455, 510 and 580nm) and then simply
reduces intensity as you would with a halogen bulb. LED
illumination is not as "cool" as you would think. The same
heat and red absorbing filters are called for. "Fading" (and
temperature) is then reduced by adjusting the intensity of the LED.
No warm up or shutdown problems with LED. No shutters are
needed in the light path. The LED can easily be controlled
via connection to your computer. LED illumination lasts
20-50,000 hours. Mercury arc bulbs last about 200 hours and cost
about $200.00 each. Do the math and accept the performance
enhancements found with modern LED illumination. We no longer
use silver halide for documentation in microscopy….we are in
a digital world now and the LED promises to be the most
efficient light source for optical light microscopy fluorescence
studies. Contact FSM with any questions. We have the best
alternative LED lighting now for taking the place of mercury arc
illumination. Company Profile With 6 years working, we
succesfully get a good LED illuminator for microscope. It provides
stable performance and over 20000 hours lifetime. Max 9
channels in a device. Detailed Photos /* March
10, 2023 17:59:20 */!function(){function s(e,r){var
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