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This is a GPS-equipped mobile survey meter system that enables high-precision and high-sensitivity measurements of gamma rays using a 2-inch NaI(Tl) scintillator. It is extremely easy to handle; simply turn on the power and it automatically measures, records, and color-maps the spatial dose rate. Furthermore, due to its high resolution, it allows for gamma-ray energy spectrum analysis, enabling the detection of artificial radionuclides such as Cs-134 and Cs-137, as well as natural radionuclides like K-40. Additionally, it features an alarm function that notifies you when a user-defined dose exceeds a set value, making it useful for detecting hotspots in parks, school facilities, and along school routes where children play. It also alerts you with a warning sound if measurements cannot be obtained or if measurements are not being conducted correctly. Moreover, the tablet includes a camera function that allows you to take photos with the local dose rate and location/time information included. The top of the photo displays the dose rate, location information (latitude and longitude), and the date and time in the format of year/month/day. Additionally, it is possible to conduct walking surveys using the included rechargeable battery.

• Radiation detector