Certified upper-arm electronic sphygmomanometers or benchtop mercury column sphygmomanometers that meet standards for accurate measurement results. Recommend Omron brand blood pressure monitor, many tertiary hospitals clinically with Omron blood pressure monitor, Omron blood pressure monitor price range, between 300-1000 more, the higher the price of the blood pressure monitor, the more features, the hospital blood pressure monitor are generally in the 1000 yuan, if the hypertensive patients home management, their own blood pressure measurement can choose about 500 yuan price of blood pressure monitor. But it should be noted that the accurate blood pressure monitor also need to master the correct measurement method, generally measured twice, if the difference in value within 5mmHg, take the average, if the difference is greater than 5mmHg, it is recommended to measure the third time, take the average, which can help to obtain the most accurate blood pressure value. In addition, it is recommended that the electronic blood pressure monitor be calibrated once in six months to a year to be able to maintain the accuracy of the blood pressure monitor measurement.