Arm sphygmomanometer with backlight
Main technical parameters:
Backlight: models without backlight and models with backlight
Measuring range pressure: 0 mm Hg ~ 299mmhg (0kpa ~ 39.9kpa)
Pulse number: (40-180) beats / min
Blood pressure: ± 3mmHg (± 0.4kpa)
Pulse number: accuracy ± 5%
The circumference of upper arm can be measured: About 22cm ~ 32cm
Normal working environment: temperature + 5 ℃~ + 40 ℃, 15% RH ~ 80rh
Ambient temperature < 20 ℃~ - 55 ℃ for transportation
Operating atmospheric pressure: 80kPa ~ 106kpa
Atmospheric pressure for transportation and storage: 50kPa ~ 106kpa
Power supply: 3.7v400mah lithium battery, 4 AA (5 ා) 1.5V battery