Gamma ray monitoring device and system

The utility model discloses a gamma ray monitoring device and system, and relates to the technical field of radiation protection and monitoring, and the device comprises a detection module which is used for monitoring gamma rays and collecting and sending corresponding monitoring data; the handheld terminal is used for receiving the data sent by the detection module; the wireless module is respectively integrated on the detection module and the handheld terminal to realize wireless data transmission between the detection module and the handheld terminal; according to the scheme, improvement is carried out based on an existing gamma measurement system, data transmission and control are carried out in a wireless communication mode, the exposure risk of a user is reduced, gamma radiation level measurement in a strong radiation field and a complex environment is achieved, and the advantages of stability of a fixed gamma measurement instrument and flexibility of a portable gamma measurement instrument can be compr