Radiation Dosimeter Terra MKS 05 with Bluetooth English Version The new version of the MKS-05 TERRA dosimeter-radiometer is supplied with Bluetooth channel that connects the device with the PC Measurement of gamma and X-ray radiation ambient dose equivalent rate. Measurement of surface beta-particles flux density.Measurement of ambient dose equivalent accumulation time. Real time measurement (clock), alarm clock apartment, building and construction monitoring; currency notes monitoring; personal radiation safety;