DenOptix QST
032-0265-EN Rev 1B-2
If you cannot darken your mounting area to 20 lux or less, contact your
local Gendex representative for suggested mounting times.
Lighting Conditions for Erasing Imaging Plates
In order to completely erase imaging plates, 99.5% of the image information must
be removed. Scanning only removes part of the information. To completely erase
imaging plates, follow the guidelines given below. It is important that you measure
the light intensity with a light meter at the point where the imaging plate will be
positioned. The intensity of light changes dramatically as you move away from the
source. Erasing the imaging plates for periods of time longer than suggested does
not harm them. A good place to store your imaging plates is under the erasing light
source.
Fluorescent Lights
We recommend using fluorescent lights for erasing imaging plates. A
lightbox typically gives off between 1000 and 5000 lux. Measure your
lightbox and use the lowest value to determine the erasing time. At 1000
lux, an imaging plate will be erased in 1 minute. At 2000 lux or more, 30
seconds is sufficient.
Incandescent Lighting
At 1000 lux, an imaging plate will be erased in about 2 minutes. At 2000
lux or more, erase for 1 minute.
Sunlight
We do not recommend using it.
If you are unable to directly measure the light output from your erasing
light source, or do not have an erasing light source greater than 1000 lux,
use the practical test, below, to determine your erasing time.
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