Abstract: The device consists mainly of automatic sample changer, perspex counting.tevminal, program controller, electric timer, Ge(Li)γ-ray detector, lead shieldingchamber for detector, lead chamber for storing samples, S-85 MCA, La-120 printer.5411 cassette and PDP-11/34 computer. The system is stable, reliable, flexible andconvenient. It also reduces the radiation dosage received by the operator. Besidesthe device increases the efficiency of the equipment quite a bit.