The Activity Optimized Source AOS is used for the measurement of mould level in continuous casters. The advanced source permits a significant increase of accuracy in the upper part of the measuring range – where the improved accuracy has very positive effects on the steel quality. The optimized activity distribution accomplishes these enhancements without increasing the total source size at all.

Alternatively, when the accuracy is to remain unchanged, the source activity can be reduced by several factors. Especially when installed on small moulds, the AOS is highly efficient in terms of shielding costs and radiation protection matters.

AOS is an excellent way to combine high precision mould level measurements with a lower source size. The activity is focused in the area most required for fast and reliable mould level measurement.

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