Suction chambers design facilitates the user to easily replace the filter paper periodically as per the requirement.Įlectronic module: This will indicate, the air sample activity deposited on the filter paper in terms of CPM/ CPS/ Bq. Detector efficiency achieved for Alpha is about 25% with Am241 and for Beta it is about 25% with Sr90 / Y90 and Collection efficiency obtained is better than 97% is achieved with this design. Alpha-Beta detector consists of ZnS(Ag) scintillator deposited on Plastic scintillator of 50mm diameter, coupled to matched PMT with Pre-amplifier. A dual scintillator based detector assembly, facing the filter paper counts, Alpha and Beta particulate activity simultaneously in CPM /CPS/Bq on continuous basis.Īir-sampler detector assembly consists of a filter holder 60mm dia, a suction chamber with air inlet and outlet & detector housing fabricated with stainless steel. It essentially has an air suction system comprising of a suction pump, rotameter to measure air flow rate, suction chamber with arrangement for trapping of suspended dust particulate onto the filter paper. It is very much essential to monitor the quality of air in & around Radiochemical plants, reprocessing plants in disaster scenario and other strategic locations. Continuous Air Monitor Type: NXG_CAM manufactured by Nucleonix Systems, is a dual scintillator based continuous air monitoring system, designed using state-of-art electronics and is primarily used for, simultaneously checking Alpha & Beta activity present in the form of suspended particulate in air.
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