Mercury Free SphygmomanometerMercury Free Sphygmomanometer Specifications: Measure unit: mmHg Minimal scale: LCD Column: 2mmHg Numerical display: 1mmHg Measure method: stethoscope Measure scope: 0 300mmHg Available discrepancy: + 3mmHg Pulse rate: 30 200m,+ 5% Pressurization: manual by the bulb Depressurization: Manual by the air release valve Power supply: 4. 5V, AA*3 W O D ring nylon cuff with silk printing PVC bladder and bulb
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