... the normal working conditions1, the environment: external temperature 12-38 °C, relative humidity 45-88%, atmospheric pressure 80-106kPa.2 ... system.1, X ray positioning, using spherical motion C arm X-ray two-dimensional fluoroscopic localization of single.( ... mode: digital display, automatic accumulation counting, automatically every 200 suspension.C. trigger frequency: 30 - 65 times / minute Three, ...