On-Site Assay System (OSAS)
Mirion’s On-Site Assay System (OSAS) is a modular system suitable for characterization of wastes in a wide range of containers and with a range of contents both homogeneous and non-uniform.
The Mirion On-Site Assay System (OSAS) is a modular system suitable for characterization of wastes in a wide range of containers and with a range of contents both homogeneous and non-uniform.
The system is controlled manually with options for automated control of the turntable through a PLC. This allows a high degree of flexibility in the operation to suit all plant conditions and levels of operator expertise. Additionally, service measurements can be conducted by Mirion or other staff, allowing for full operations on site. With such a “full service” model, your local plant staff are required to provide support only to make waste containers available for assay and loading onto the turntable, and to provide quality control check sources where possible to minimize shipment burden.
OSAS comprises an ISOCS characterized collimated High Purity Germanium Detector (or optional NaI detector, or other detector choice for specific applications) mounted on a lift mechanism to scan an item or waste container. The waste item is mounted on a turntable and is typically rotated continuously for uniform wastes in cylindrical containers, to provide good spatial averaging and minimize uncertainties. Optionally, the item can be rotated to fixed positions to perform multiple measurements, for example four steps of 90 degrees for boxes.
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