Special purpose controller for digitized radiation tour gauging system

The utility model relates to a digital radiation survey system special controller, which is characterized in comprising a main control circuit 1, a communication and extended interface circuit 2, a data storage circuit 3 and a switch indicator and alarm circuit 4. The main control circuit 1 comprises a CPU chip of a single chip computer and a logic processing chip U4. The CPU chip of the single chip computer is connected with the logic processing chip via the I and O port. The main control circuit 1 is connected with a computer or PDA 6 and GPS module 7 through the COM port and connected with the Gamma ray instrument 8, GSM module 9 and SSB short wave radio station 10 respectively through the communication and extended interface circuit 2. The I and O port of CPU chip of the single chip computer is connected with the Input and Output end of the data storage circuit 3, the Input and Output end of the switch indicator and alarm circuit 4. The utility model has the outstanding advantages of composing a multi functional wireless remote test system using GPS global positioning with functions of data collection, storage, transmission and analysis, which is more suitable for applications of various users.