EMA - Gamma Detector w/ Sample Changer & Cryo-cycle

The proposed customized automatic sample changer, detector, and cryo-cycle ensemble is the only feasible option to replace the existing Gamma Analyst system because the new detector and automated sample changer must integrate seamlessly with the current gamma system controlled by Mirion's Apex-Gamma software application, which is a proprietary controlled environment where only Mirion-supported sample changers are compatible with its device drivers, command structure, automation features, and validated communication protocols. No third-party sample changer offers certified integration or vendor-supported functionality with Apex-Gamma, making alternative equipment incompatible or non-operational within the existing system.

The Gamma Analyst, originally purchased in 2011, is being replaced because the manufacturer (Mirion) discontinued the Integrated Gamma Analyst instrument line over three years ago and severely limited the amount of support included in the service contract. The gamma analyst is obsolete and essentially no longer supported.

The detector includes a hybrid cryostat that combines an electric cryocooler with liquid nitrogen to constantly condense the boiled-off liquid nitrogen back into a dewar. This detector could last almost two years without needing a refill on liquid nitrogen, while all other detectors require a refill every seven days.

The requested sample changer has a turntable with 12 carrier positions and can accommodate three different sample geometries: air cartridges, 500-mL marinellis, and 1-Liter marinellis, supporting both emergency response operational needs and routine environmental monitoring analyses.