English 1211. Technical DataModel UM-101Measurement method Stethoscopy with stethoscopeMeasurement rangeNumerical display Pressure: 0 ~ 300 mmHgPulse: 30 ~ 200 beats / minutePressure bar display Pressure: 20 ~ 280 mmHgMeasurement accuracyNumerical display Pressure: ±3 mmHgPulse: ±5 %Pressure bar display Pressure: ±4 mmHgPower supply 2 x 1.5 V alkaline batteries (LR6 or AA)Upper arm circumference 23 ~ 33 cm using the medium cuffClassification Type BFEMC IEC 60601-1-2: 2001Operating condition +10°C to +40°C / 30%RH to 85 %RHStorage condition -20°C to +60°C / 10%RH to 95 %RHDimensions Approx. 96 [W] x 322 [H] x 66[D] mmWeight Approx. 940 g, excluding batteriesNote: Specifications are subject to change without prior notice.