Negative Ion Monitoring System Host Onetest-505 Million Technologynegative Oxygen Ion

onETEST anion recorder in accordance with Japanese JIS - 505 precision air ion density measurement pointer draft coaxial two of the most accurate, that ends it drum manufacturing design and become, with general plate manufacture of ion detectors on the market, compared with improved accuracy, and can use special computer records analysis soft body record and print the measured data, apply resourceful forestry, meteorology, ecology, environment assessment of detection of similar goods.