Sphygmomanometer voice broadcast R166 smart wrist measurement blood pressure pulse

Item description:         Wrist automatic electronic sphygmomanometer

Display mode:   LCD display

Product model:   RAK166

Measurement method:   Oscillographic detection method

Measurement range:   Pressure: 0 ~ 280 MMHG Pulse number: 40 beats /min~199 beats /min

Accuracy:   Pressure: plus or minus 3 MMHG     Pulse number: plus or minus 5%

Power supply:         No. 7 alkaline dry cell 2

Normal working environment:   The temperature 5 ~ 40 ℃ Humidity 80% RH or less

Transportation and storage environment: humidity - 20 ~ 55 ℃, humidity 10% ~ 90% RH

Weight:             About 200 grams

Safety classification:         Internal power type B

Pressure method:         Automatic pressurizing method

Rapid exhaust:   Automatic extreme speed exhaust

Pressure testing:         Semiconductor pressure sensor