A.4 Optimum Illumination of Detector Crystals
A.4 Optimum Illumination of Detector Crystals
Figure 9-2 Optimal dose rate calculation needs a uniform illumination of the detector crystal, for which the
source to detector distance should be at least 7to 10 inches (17.78 - 25.4 cm) away from source and sur-
rounding materials.
For best dose accuracy, the unit should be 7”-10” (17.78 - 25.4 cm) away from any dense
objects to the side, rear, above or below. For example, do not measure with the unit laying
on a desk.
identiFINDER® R200— ENGLISH (en) — 3/10/2017—1:38 PM
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