Fingertip Oximeter--R4DS,R4i DS,M3 DS Real,M3i Zero,Acekard 2i,Xkey-wholesale-ipopdigi.com

Display mode: LED display

SPO2 measuring range:35%-100%

Pulse rate measuring range:30bpm-240bpm

Pulse waveform display: bargraph display

Low battery indication: LED display

Power supply Requirement: 1.5V(AAA size) Alkaline Batteries * 2

Working current:<=25mA

Resolution: SPO2 : 1% Pulse Rate: 1bpm

Accuracy: SPO2 :70% to 100% (+,-)2 digits,below 70%unspecified Pulse rate:(+,-)2bpm or (+,-)2%(select larger)

Measurement at Low Perfusion: The values of SPO2 and pulse rate can be displayed properly when pulse saturation is at 0.4%.

Accuracy of SPO2:(+,-)4%

Accuracy of Pulse Ratio.(+,-)2BPM or (+,-)2% (Select Larger)

Resistance to surrounding light: Deviation is smaller than (+,-)1% between value of Oxyhemoglobin measured in natural lighting indoor condition and present lighting sources and that measured in dark room.

Automatic shutdown function:The device will power off automatically within 5 seconds whenthere is no finger in the device.