GM-R200 radiation online monitoring system is based on Geiger Maitreya (GM-TUBE) as the monitoring core of the radiation monitor, a variety of specifications of sensors optional, monitoring terminal can choose 25 sensors, used to measure radiation in multiple areas at the same time, and record a variety of data, convenient USB interface to export data for analysis and assessment. The monitoring terminal is a 7-inch touch data collector with built-in storage, adjustable alarm threshold, and standard audio-visual alarm device. At the same time output RS232, modbus-rtu protocol. The instrument is widely used in radioactive waste storage, industrial nondestructive testing, CT room, hospital gamma knife treatment, isotope application, gamma irradiation, hospital X-ray diagnosis, cobalt therapy, nuclear power plant, customs, radioactive wastewater and other places where there may be radioactivity; Always help the staff to know that the radioactive source or radiation device has been working or leaking, so as to ensure the health and safety of personnel.