Repeat the measurement if you are unsure of the measured value.Do not take a measurement within 30 minutes of eating, drinking, smoking or exercising.If you want to perform several measurements on the same person, wait five minutes between each measurement.Before every measurement, relax for about five minutes.In order to ensure comparable values, always measure your blood pressure at the same time of day.The CE labelling certifies that the product complies with the essential require- 0483 ments of Directive 93/42/EEC on medi.