Easy to use, measurement value is slightly lower than that of an upper arm blood pressure device. Did it with a stethoscope plus cuff and measured with an electronic device (not of the blood pressure League recommended). The measured values of the Omron RS3 and the Stehoskop were almost equal. Systolic Diastolic as was the difference between the Greräten about 4-5mm Hg, which is acceptable to me.
