Co-57 flood sources are used for quality control of gamma camera systems.
ERS flood sources are available in rectangular and circular geometry. The replacement period of Co-57 flood sources is typically 2 (two) years depending on the source activity.
Quality control tests of Co-57 flood sources are performed with a gamma camera system by taking count measurements. Each gamma camera scan contains differential and integral non-uniformity parameters according to IEEE/ ANSI N 42.27 standard.
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