Blood Pressure Monitor Dxj-220

Display system: digital display of the large liquid crystal screen Measuring method: Oscillometric method Atmospheric pressure range: 0-300mmHg (0-40kPa) Blood pressure measuring range:40mmHg-240mmHg (5.4Kpa-32Kpa) Pulse rate range: 40-160 beats/min Measuring accuracy: Atmospheric pressure Within plus or minus 0.4Kpa Pulse rate accuracy: Within more or less 5 percent Pressurization: manual inflation Deflation: automatic exhaust Pressure measuring: silicon intergrated pressure sensor Power source: four festivals of 1.5V, 5 type alkaline battery Environmental temperature for using:10-40 degree Centigrade ,30-75 percent RH Environmental temperature for storage:-20-60 degree Centigrade ,10-95 percent RH Arm belt: arm beleaguer 22-33cm suitable