AccuracyWhen the SpO2 measure range is 70%-100%, the permission of absolute error is +-2%
Measure range30bpm~250bpm
Accuracy+-2bpm or +-2% (select larger)
Measure range0~20%
Operating VoltageInternal power supply
Exterior alternating current supply100~240 V AC, 50/60Hz
FeaturesBelow 70% unspecified, Measurement of pulse rate, , Measurement performance in weak filling condition, The deviation between the value measured in the condition of man-made light or indoor natural light that of darkroom is less than 1%